Showing posts with label time. Show all posts
Showing posts with label time. Show all posts

Friday, September 27, 2024

"Alone" by The Cure

Wow, what a surprise. The Cure have released a new song, "Alone" and it is lush, rich, and powerful. This lament of loss captures where I have been mentally and spiritually the last week or so...I recently found out that a place from my youth is gone, like so many other places, and the accumulation hit me a little harder than I thought it would. I know time moves on, and I have moved on and grown, but at least those places were there and held that space for me, should I choose to go back and touch it. But not now...places, people, almost nothing left.


https://www.thecure.com/

Tuesday, September 3, 2024

"There is no answer. That is the beauty of it."

“Since you must have love as a human being, what will you do? There is no time. You can't say, ''Well, I can't have it. I can live without love because I have lived without love for two million years, and I will live another two million years without love'' - that means perpetual sorrow for the next two million years. So what can you do? You understand my question now? Sorrow cannot be put away or be resolved through time, nor can love be invited through time. And time is: ten days ahead, or the next minute, or the next second. What will you do? Will you jump in the lake? Unless you find love, you are already in the lake. And you have to find it, as you have to find food. This is a much more demanding, much more strenuous thing that demands intense vitality.

So what will you do? If you say, please tell me what to do, then you are missing the bus entirely. But you have to see the importance, the immensity, the urgency of that question - not tomorrow, not the next day or the next hour, but see it now while you are sitting. And to see that, you must have energy. So just see immediately - the catalyst that makes the liquid into solid or vaporizes it immediately does not take place if you allow time, even a second. All our existence, all our books, all our hope is tomorrow, tomorrow, tomorrow. This admittance of time is the greatest sorrow.

So the issue is with you, not with the speaker from whom you are expecting to get the answer. There is no answer. That is the beauty of it. You can sit cross-legged, breathe rightly, or stand on your head for the next ten thousand years. Unless you have put this question to yourself - not superficially, not verbally, not intellectually, but with your whole being - you will live with it for two million years - those two million years may be only tomorrow. So problems and time are intimately related - do you see it now?”
--Krishnamurti, in Rajghat, India from his Fifth Public Talk, 1964

https://jkrishnamurti.org/

Friday, March 8, 2024

"Time" by EELS

Well, this must be the season for profound songs...with Guster's lovely "Keep Going," and yesterday's new song "Boys" by Amen Dunes...here is "Time" by EELS. Oh, where do I start... where we come from, who we love, who we must leave behind, how we miss them, our own journey, the limitation of our presence...you'll need a tissue for this.


Time, it's all about time now
Tick-tock I rock, but then I look at the clock
Knock-knock, who's there?
Well, I don't dare...
Open the door

Time, there was nothing but time there
Click-clack riding down the tracks
Never worried about coming back
Anyplace looked good to me
Why not stop and see...
What's there?

Time, there isn't much time now
What's the fear, well, I like it here
With the ones I love so near
Maybe there's just somе way
Dear god...
I can stay


https://www.eelstheband.com/

Monday, November 13, 2023

"11 mind-boggling facts about time" from BBC Future

11 mind-boggling facts about time
By BBC Future Staff
11th November 2023


This week, we're launching a special series called "Time: The Ultimate Guide". To kick things off, here are some of the most fascinating facts we've learnt to date…

To mark the 60th anniversary of Doctor Who, we'll be spending the next week tackling the big questions about time, including the science of time travel, how clocks have shaped humanity, and even the mind-bending temporal consequences of flying into a black hole.

We're starting our ultimate guide with 11 mind-bending facts about the physics, psychology and history of time, plucked from the BBC Future archive. Read on to learn why there's more to time than meets the eye.

1. YOUR LANGUAGE AFFECTS YOUR PERCEPTION OF TIME
Think of time as a line. Which direction does it flow? Is it horizontal or vertical? Or perhaps it is not a line at all for you. The answers to these questions may very well depend on what language you speak.

Much of the way we perceive the time is influenced by the language we use. For example, English speakers describe time as being in front or behind them, or as a horizontal line moving left to right. Mandarin speakers envision time as a vertical line where down represents the future, while Greek people tend to view time as a three dimensional entity that is "big" or "much" rather than "long". In Pormpuraww, a remote Indigenous Australian community, time is arranged according to east and west.

2. WHEN THE UNIVERSE EVENTUALLY DIES THERE WILL BE NO MORE FUTURE AND NO PAST
Much like us, the way time passes changes will change as the Universe ages. The "arrow of time", which points from the past towards the future, is thought to have its origins in the Big Bang. The infant Universe is thought to have had very low entropy – a measure of disorder or randomness. Since then, entropy has been increasing – this change is what gives the arrow of time its directionality. It's the same reason it's easy to crack a fresh egg, but extremely hard to take a mess of shards and yolk and create a whole fresh egg.

No one knows what will happen at the end of the Universe, but a strong contender is "heat death", where entropy will have reached a maximum and the arrow of time will lose its direction. Think of it as all the eggs in the Universe being already smashed, and after that nothing interesting ever happens again.

3. IT MAY NOT BE POSSIBLE TO HAVE CONSCIOUS EXPERIENCE WITHOUT TIME
We count, therefore we are. The ticking of time is the invisible heartbeat of our lives, and affects every moment of our consciousness. Time and self are in perpetual handshake – even a human trapped in a completely dark cave would still be governed by the circadian rhythms of our internal clocks.

Holly Andersen, who studies the philosophy of science and metaphysics at Simon Fraser University in Burnaby, British Columbia, warns about what losing our sense of time could do to our sense of self. She believes it's not possible to have conscious experience without time and the passage of time. Think about how your personal identity is built over time, filed away as memories.

"These memories constitute you over time," says Andersen. "If you lose a bunch of time you are now a different person."

4. THERE'S NO SUCH THING AS A CLOCK WITH 100% ACCURACY
Metrologists work very hard to keep time, using ever-finer technology to measure the passing of minutes, seconds and hours. However, while their atomic clocks are incredibly accurate, they're not perfect. In fact, there is no clock on Earth that is entirely "correct".

The actual process of defining what time it is – right now – is based on lots of clocks, all keeping time around the world. National laboratories all send their time-keeping to the International Bureau of Weights and Measures in Paris, which then creates a weighted average. The time, therefore, is a human construct.

5. THE EXPERIENCE OF TIME IS ACTIVELY CREATED BY OUR MINDS
Various factors are crucial to our construction of the perception of time – memory, concentration, emotion and the sense we have that time is somehow located in space. Our time perception roots us in our mental reality. Time is not only at the heart of the way we organise life, but the way we experience it.

The upside is that this gives us some measure of control over how we experience it. For example, if you want to feel like your life is not rushing past you, the key is novelty: research shows that a life of repetitive and routine activities will feel, as you reflect on it, that time is moving faster.

6. THERE ARE CITIZENS OF THE 22ND CENTURY ALREADY AMONG US – BUT THEY'RE NOT TIME TRAVELLERS
The next century can often feel very far away: a distant land, where hypothetical unborn generations live. However, there are millions of people on Earth right now who will be there when the fireworks go off on New Year's Eve 2099. A child born in 2023 will be their 70s. We're far more connected across long spans of time than we might realise. Through our family ties, we're all just a hop, skip and a jump away from past and future centuries.

7. WE CAN ALL EXPERIENCE A TIME WARP
Time does not always flow at the same rate for everyone. Is time all in the mind?

A car skids for what feels like an age, spraying gravel into the air where it hangs motionless. Time slows almost to a standstill and, in that moment, you react and dive for safety. In situations like this, stress can prompt the brain to speed up its internal processing – to help you handle a life-or-death situation.

Brain disorders such as epilepsy or stroke, too, can cause temporal tricks of the mind – speeding time up or stopping it dead. Some people, like athletes, can even train their brain to create a time warp on demand; a surfer catching a wave at the perfect moment, an unstoppable footballer.

Time, it seems, is a fragile illusion. In a moment we could find ourselves in an altered reality.

8. WHEN THE CLOCKS CHANGE FOR DAYLIGHT SAVINGS, WE HAVE ONE BUILDER TO THANK (OR BLAME)
Changing the clocks for summer – to make the most of long daylight hours at higher latitudes – is not universally embraced by everyone. But love it or hate it, there's a stubborn British campaigner you can thank. Without a builder called William Willett, a quarter of the world – including the US – might never have adopted daylight saving time.

After Willett managed to persuade political leaders, Britain made the change during World War One. The move came about because of a coal shortage – and longer daylight hours meant less need for coal-powered electricity to keep the lights on. It was such an effective idea that in World War Two, Britain took it a step further and temporarily ran on Double Summer Time, a full two hours ahead of GMT, to save on industrial costs.

9. YOU DON'T ACTUALLY LIVE IN THE PRESENT
As you read these words, it's easy to assume that it's "now". However, it's not.

Take the simple act of looking at a person speaking to you across a table. The confirmation of them moving their lips reaches our eyes before the sound of their voice (because light travels faster than sound) but our brain syncs them up to make them match.

10. OUR DAYS ARE GETTING LONGER DUE TO THE MOON'S GRAVITY
It might surprise you to know that the Moon – our planet's constant orbital companion in the astro-ballet we perform around the Sun – is inching away from us. Every year the distance between the Earth and the Moon increases by 1.5in (3.8cm). And as it does so, it is making our days ever so slightly longer in the process.

This is down to the tug of the Moon's gravity on our planet. The gravitational pull of the Moon creates tides, which are a "bulge" of water that extends in an elliptical shape both towards and away from the gravity of the Moon. But the Earth spins on its axis much faster than the Moon orbits above, meaning friction from the ocean basins drag the water along with them. This causes the bulge to move slightly ahead of the Moon in its orbit, which in turn attempts to pull it backwards. This gradually saps our planet's rotational energy, slowing its spin while the Moon gains energy, causing it to move into a higher orbit and away from the Earth.

The incremental braking of our planet's spin has caused the length of an average Earth day to increase by about 1.09 milliseconds per century since the late 1600s. Other estimates put the figure a little higher, at 1.78ms per century by drawing on more ancient observations of eclipses. While none of this sounds like much, over the course of the Earth's 4.5-billion-year history, it adds up.

11. MANY PEOPLE LIVE OUTSIDE CONVENTIONAL TIME – FOR THEM, IT'S NOT 2023
For many Nepalis, this article was not published in 2023. In the Nepali Bikram Sambat calendar, it's actually the year 2080. At least four calendars are used among different ethnic groups there, and Nepal is even 15 minutes out of sync with standard time zones.

It turns out many cultures are fine with experiencing multiple years simultaneously. In Myanmar, it's also 1384, in Thailand it's 2566, and in Ethiopia it's 2016, where the year lasts 13 months. The Islamic calendar, meanwhile, marked the arrival of the year 1445 in July.


Link to original article with additional information and video about each item:
https://www.bbc.com/future/article/20231110-11-mind-boggling-facts-about-time

Friday, May 26, 2023

"To Scale: TIME"

The "To Scale" series created by Alex Gorosh and Wylie Overstreet presents a scale model of the history of the universe and our place in it. This is startling, humbling, inspiring, moving. Worth watching.


We have one life. How do you want to spend it?

https://www.toscaleseries.com/

Sunday, January 8, 2023

"The weird way language affects our sense of time and space"

I've been meaning to post this amazing article from BBC Future for many weeks now, and finally, here it is, full of incredible, mind boggling insights about language and communication and psychology and how differently we perceive our movement through time, and thus the structure of the universe altogether.

The weird way language affects our sense of time and space

By Miriam Frankel and Matt Warren*
3rd November 2022


The languages we speak can have a surprising impact on the way we think about the world and even how we move through it.

If you were asked to walk diagonally across a field, would you know what to do? Or what if you were offered £20 ($23) today or double that amount in a month, would you be willing to wait? And how would you line up 10 photos of your parents if you were instructed to sort them in chronological order? Would you place them horizontally or vertically? In which direction would the timeline move?

These might seem like simple questions, but remarkably, your answers to these questions are likely to be influenced by the language, or languages, you speak.

In our new book, we explore the many internal and external factors that influence and manipulate the way we think – from genetics to digital technology and advertising. And it appears that language can have a fascinating effect on the way we think about time and space.

The relationship between language and our perception of these two important dimensions is at the heart of a long-debated question: is thinking something universal and independent of language, or are our thoughts instead determined by it? Few researchers today believe that our thoughts are entirely shaped by language – we know, after all, that babies and toddlers think before they speak. But a growing number of experts believe language can influence how we think just as our thoughts and culture can shape how language develops. "It actually goes both ways," argues Thora Tenbrink, a linguist at Bangor University, in the UK.

It is hard to ignore the evidence that language influences thinking, argues Daniel Casasanto, a cognitive psychologist at Cornell University in the US. For example, we know that people remember things they pay more attention to. And different languages force us to pay attention to an array of different things, be it gender, movement or colour. "This is a principle of cognition that I don't think anyone would dispute," says Casasanto.

Linguists, neuroscientists, psychologists and others have spent decades trying to uncover the ways in which language influences our thoughts, often focusing on abstract concepts such as space and time which are open to interpretation. But getting scientific results isn't easy. If we just compare the thinking and behaviour of people who speak different languages, it's hard to be sure that any differences aren't down to culture, personality or something else entirely. The central role that language plays in expressing ourselves also makes it hard to unpick it from these other influences.

There are ways around this conundrum, however. Casasanto, for example, often teaches people in his lab to use metaphors from other languages (in their own tongue) and investigates what impact this has on their thinking. We know that people often use metaphors to think about abstract concepts – for example, a "high price", "long time" or "deep mystery". This way, you are not comparing people from different cultures, which may influence the results. Instead you are focusing on how thinking changes in the same people from the same culture while speaking in two different ways. Any cultural differences are therefore removed from the equation.

Cognitive scientist Lera Boroditsky, one of the pioneers of research into how language manipulates our thoughts, has shown that English speakers typically view time as a horizontal line. They might move meetings forward or push deadlines back. They also tend to view time as travelling from left to right, most likely in line with how you are reading the text on this page or the way the English language is written.

This relationship to the direction text is written and time appears to apply in other languages too. Hebrew speakers, for example, who read and write from right to left, picture time as following the same path as their text. If you asked a Hebrew speaker to place photos on a timeline, they would most likely start from the right with the oldest images and then locate more recent ones to the left.

Mandarin speakers, meanwhile, often envision time as a vertical line, where up represents the past and down the future. For example, they use the word xia ("down") when talking about future events, so that "next week" literally becomes "down week". As with English and Hebrew, this is also in line with how Mandarin traditionally was written and read – with lines running vertically, from the top of the page to the bottom.

This association between the way we read language and organise time in our thoughts also impacts our cognition when dealing with time. Speakers of different languages process temporal information faster if it's organised in a way that matches their language. One experiment, for example, showed that monolingual English people were quicker to determine whether a picture was from the past or the future (represented by science fiction-style images) if the button they had to press for the past was to the left of the button for future than if they were positioned the other way around. If the buttons were placed above or below each other, however, it made no difference.

Things start to get really strange, however, when looking at what happens in the minds of people who speak more than one language fluently. "With bilinguals, you are literally looking at two different languages in the same mind," explains Panos Athanasopoulos, a linguist at Lancaster University in the UK. "This means that you can establish a causal role of language on cognition, if you find that the same individual changes their behaviour when the language context changes."

Bilingual Mandarin and English speakers living in Singapore also showed a preference for left to right mental time mapping over right to left mental mapping. But amazingly, this group was also quicker to react to future oriented pictures if the future button was located below the past button – in line with Mandarin. Indeed, this also suggests that bilinguals may have two different views of time's direction – particularly if they learn both languages from an early age.

We aren't necessarily prisoners to thinking a certain way, though. Intriguingly, Casasanto has shown that you can quickly reverse people's mental time representation by training them to read mirror-reversed text, which goes in the opposite direction to what they're used to. They then react faster to statements that are consistent with time going the opposite way to what they are used to.

But things get even more interesting. In English and many other European languages, we typically view the past as being behind us and the future in front of us. In Swedish, for example, the word for future, framtid, literally means "front time". But in Aymara, spoken by the Aymara people who live in the Andes in Bolivia, Chile, Peru and Argentina, the word for future means "behind time". They reason that, because we can't see the future, it must be to our rear.

In fact, when the Aymara talk about the future they tend to make backwards gestures, whereas people who speak Spanish, for example, who view the future as being ahead of them, make forwards gestures. Similarly, like the Aymara, Mandarin speakers also imagine the future being behind them and the past ahead of them, calling the day before yesterday "front day" and the day after tomorrow "back day". Those that speak both Mandarin and English tend to switch between a forward and backward conception of the future, at times in ways that can clash with each other.

Casasanto noted that people tend to use spatial metaphors to talk about duration. For example, in English, French, German or the Scandinavian languages, a meeting can be "long" and a holiday "short". Casasanto showed that these metaphors are more than ways of talking – people conceptualise "lengths" of time as if they were lines in space. He initially believed this was universally true for all people, regardless of the languages they speak. But when presenting his findings at a conference in Greece, he was interrupted by a local researcher who insisted this wasn't correct for her language. "My first response was a bit dismissive," admits Casasanto, who had doubled down on his view. Eventually, though, he says that he "stopped talking and started listening".

And the result changed the course of his research to focus on language-related differences rather than universals in thinking. What he discovered was that Greek people tend to view time as a three-dimensional entity, like a bottle, which can fill up or empty out. A meeting, therefore, isn't "long" but "big" or "much", while a break isn't "short" but "small".

The same is also true in Spanish.

"I can talk about 'long time' [in English], but if I use this expression in Greek, people will look at me funny," explains Athanasopoulos, who is a native Greek speaker. "They will think I'm using it in a poetic way or in a way to emphasise it."

Athanasopoulos, who found Casasanto's results fascinating, set out to investigate this issue. He sat Swedish and Spanish speakers in front of a computer screen and asked them to estimate how much time had passed when either watching a line grow or a container fill up. The trick was that these events occurred at different rates. Monolingual Swedish speakers were easily misled when the line was shown – they believed a longer line meant more time had passed, even if that wasn't the case. Their time estimates weren't, however, influenced by a filling container. For Spanish speakers, it was the other way around.

Athanasopoulos then went further, looking at bilingual Spanish and Swedish speakers – and what he found was remarkable. When the Swedish word for duration (tid) appeared in the top corner of the computer screen, the participants estimated time using line length and weren't affected by container volume. But when this changed to the Spanish word for duration (duración), the results completely reversed. The extent to which the bilinguals were affected by the time metaphors of their second language was related to how proficient they were in that language.

These language quirks are fascinating, but how much impact do they really have on our thinking? Casasanto raises a curious point. When you imagine time on a line, each point is fixed so that two points of time cannot swap places – there's a strict arrow. But in a container, points of time are floating around – and potentially capable of swapping places. "I've long wondered whether our physics of time might be shaped by the fact that English, German and French speakers were instrumental in creating it," he says.

Interestingly, time is an increasingly tricky problem in physics, standing in the way of uniting its different branches. Physicists long imagined time as having an arrow, and ticking reliably from the past into the future. But modern theories are more complicated. In Einstein's theory of general relativity, for example, time doesn't seem to flow at all on the grandest scale of the universe – which is a weird idea even to physicists. Instead, the past, present and future all seem to exist simultaneously – as if they were points swimming around in a bottle. So perhaps the time as a line metaphor has been – and still is – holding back physics. (Read more about whether time goes in just one direction.)

"That would be a pretty remarkable effect of language on thought," says Casasanto.

Languages also encode time in their grammar. In English, for example, the future is one of three simple tenses, along with the past and the present – we say "it rained", "it rains" and "it will rain". But in German, you can say Morgen regnet, which means "it rains tomorrow" – you don't need to build the future into the grammar. The same is true for many other languages, including Mandarin, where external circumstances often denote that something is taking place in the future, such as "I go on holiday next month".

But does this affect how we think? In 2013, Keith Chen, a behavioural economist at the University of California, Los Angeles, set out to test whether people who speak languages that are "futureless" might feel closer to the future than those who speak other languages. For example, German, Chinese, Japanese, Dutch and the Scandinavian languages have no linguistic barrier between the present and the future, while "futured languages", such as English, French, Italian, Spanish and Greek, encourage speakers to view the future as something separate from the present.

He discovered that speakers of futureless languages were more likely to engage in future-focused activities. They were 31% more likely to have put money into savings in any given year and had accumulated 39% more wealth by retirement. They were also 24% less likely to smoke, 29% more likely to be physically active, and 13% less likely to be medically obese. This result held even when controlling for factors such as socioeconomic status and religion. In fact, OECD countries (the group of industrialised nations) with futureless languages save on average 5% more of their GDP per year.

This correlation may sound like a fluke, with complex historical and political reasons perhaps being the real drivers. But Chen has since investigated whether variables such as culture or how languages are related could be influencing the results. When he accounted for these factors, the correlation was weaker – but nevertheless held in most cases. "The hypothesis still seems surprisingly robust to me," argues Chen.

It is also backed by a 2018 experiment in the bilingual city Meran/Merano, in northern Italy, where about half the inhabitants speak German, a futureless language, and the other half Italian, a futured language. The researchers tested 1,154 primary school children's ability to resist temptation by asking them whether they would like two tokens (which could be exchanged for presents) at the end of the experiment or a bigger reward (three, four or five tokens) in four weeks.

They discovered that German-speaking children were on average 16 percentage points more likely to be able to wait for a larger number of tokens than Italian-speaking children – in line with Chen's hypothesis. The results still held when controlling for risk attitudes, IQ, family background and residential area.

But the effects of language can extend even further into our physical world – influencing how we orient ourselves in space. Different languages can force us to think in terms of specific "reference frames". As Boroditsky and her colleague Alice Gaby have shown, Aboriginal Kuuk Thaayorre people in Australia, for example, use cardinal directions – north, south, east, west – to talk about even mundane things, such as "the cup is on your south-west". This is called an "absolute" reference frame – the coordinates provided are independent of the observer's viewpoint or the location of reference objects.

But many languages, including English, use rather clumsy terms for spatial orientation – such as "next to", "left of", "behind" or "above". As if that wasn't enough, we also have to calculate which frame of reference they apply in. If someone tells you to pick up the keys on the right of a computer, do they mean on the computer's right-hand side or to the right of the computer from your perspective when facing it? The former is called an "intrinsic" reference frame (having two reference points: computer and keys) and the latter a "relative" reference frame (there are three reference points: computer, keys and observer).

And this can shape how we think – and navigate. Tenbrink's and her colleagues have compared the use of reference frames in English and Spanish. In one experiment, she asked people to decide whether an object, say a ball, was left or right of a central figure: an animal, human or object, based on two descriptions given in English or Spanish. For example: "I see a dog. The ball is on the left of the dog." Or: "I see a dog, the ball is on the dog's left."

In English, those two descriptions can denote two different sides of the dog, whereas in Spanish they both refer to what English speakers would think of as the "dog's left".

Spanish monolinguals located the ball using the intrinsic reference frame 78% of the time and English monolinguals 52% of the time. English speakers only chose the intrinsic frame if the possessive sentence, "the ball is on the dog's left", was used. The phrasing didn't matter to Spanish speakers. They simply preferred the intrinsic frame, unless the object was inanimate – it was a vase or a car rather than a dog, statue or human.

In a follow-up study, Tenbrink showed that bilingual Spanish and English speakers were somewhere in the middle between monolingual Spanish and English speakers, and were more influenced by the reference frame used most commonly in the country they lived in. "Spanish and English speakers interpret spatial relationships in a slightly different way," says Tenbrink. "And once the speaker speaks both languages, their preferences shift in different ways. I thought that was quite fascinating because people won't normally realise that their preferences shift because they have learned a second language."

Either way, it's something to keep in mind if you're picking a meeting place with someone who speaks a different language to you.

Speakers of some languages also focus more on actions than the wider context. When watching videos involving motion, English, Spanish, Arabic, and Russian speakers tended to describe what happened in terms of action, such as "a man walking". Speakers of German, Afrikaans and Swedish, on the other hand, focused on the holistic picture, including the end point, describing it as "a man walks towards a car".

Athanasopoulos recalls an incident which laid bare how this can interfere with navigation. While working on a linguistic project, he went for a hike with a group of international researchers in the English countryside. Aiming to get from a town to a small village, they had to get through a private estate by walking across a field, as instructed by a sign with the message: "Walk across the field diagonally." To the English and Spanish speakers, this was intuitive. But a German speaker hesitated, looking slightly confused. When shown the path across the field, at the end of which there was a church, she finally concluded: "Ah, so you mean we should walk towards the church?" She needed a start and end point to picture the diagonal the sign was referring to.

As this body of research grows, it is becoming increasingly clear that language is influencing how we think about the world around us and our passage through it. Which is not to say that any one language is "better" than another. As Tenbrink argues, "a language will develop what its users need".

But being aware of how languages differ can help you think, navigate and communicate better. And while being multilingual won't necessarily make you a genius, we all can gain a fresh perspective and a more flexible understanding of the world by learning a new language.

* Miriam Frankel and Matt Warren are science journalists and authors of Are You Thinking Clearly?


Link to original article on BBC:
https://www.bbc.com/future/article/20221103-how-language-warps-the-way-you-perceive-time-and-space

Tuesday, November 15, 2022

"Why does time go forwards, not backwards?" by Martha Henriques for BBC Future

I've been meaning to share this fascinating article from BBC Future for a little while now. I am a bit of armchair physicist so this is really interesting to me. And as we have seen, modern physics also incorporates philosophy and spirituality to varying degrees, areas that I am also interested in.

Why does time go forwards, not backwards?

By Martha Henriques
3rd October 2022


The arrow of time began its journey at the Big Bang, and when the Universe eventually dies there will be no more future and no past. In the meantime, what is it that drives time ever onward?

When Isaac Newton published his famous Principia in 1687, his three elegant laws of motion solved a lot of problems. Without them, we couldn't have landed people on the Moon 282 years later. But these laws brought to physics a new problem, which wasn't fully appreciated until centuries after Newton and still nags at cosmologists today.

The issue is that Newton's laws work about twice as well as we might expect them to. They describe the world we move through every day – the world of people, the hands that move around a clock and even the apocryphal fall of certain apples – but they also account perfectly well for a world in which people walk backwards, clocks tick back afternoon to morning, and fruit soars up from the ground to its tree-branch.

"The interesting feature of Newton's laws, which wasn't appreciated till much later, is that they don't distinguish between the past and the future," says the theoretical physicist and philosopher Sean Carroll, who discusses the nature of time in his latest book The Biggest Ideas in the Universe. "But the directionality to time is its most obvious feature, right? I have photographs of the past, I don't have any photographs of the future."

The problem is not confined to the centuries-old theories of Newton. Virtually all of the cornerstone theories of physics since then have worked just as well going forward in time as they do backwards, says physicist Carlo Rovelli of the Centre for Theoretical Physics in Marseille, France, and the author of books including The Order of Time.

"Starting from Newton, and then Maxwell's theory of electromagnetism, then Einstein's work, and then quantum mechanics, quantum field theory, general relativity, and even quantum gravity – there is no distinction between past and future," Rovelli says. "Which came as a surprise, because the distinction is so evident to all of us. If you make a movie, it's obvious which way is the future and which one is the past."

How does a clear direction of time emerge from these descriptions of the Universe, which all lack their own arrow of time? As Marina Cortês, an astrophysicist at the University of Lisbon, puts it: "There's a lot of implications that start with taking seriously the question, 'Why does time pass?'"

Part of the answer lies at the Big Bang nearly 14 billion years ago. Another insight comes from the opposite extreme, in the Universe's eventual death.

But before embarking on this epic journey back and forth along the timeline of the Universe, it's worth stopping off in 1865, just as the first truly time-directional law of physics came hurtling down the tracks of the Industrial Revolution.

GATHERING STEAM

In the 19th Century, when coal was shovelled into furnaces to generate steam power, scientists and engineers hoping to develop better engines embraced a set of principles that described the relationship between heat, energy and motion. They became known as the laws of thermodynamics.

In Germany, 1865, the physicist Rudolf Clausius stated that heat cannot pass from a cold body to a hot one, if nothing else around them changes. Clausius came up with the concept he called "entropy" to measure this behaviour of heat – another way of saying heat never flows from a cold body to a hot one is to say "entropy only ever increases, never decreases."

As Rovelli stresses in The Order of Time, this is the only basic law of physics that can tell apart the past from the future. A ball can roll down a hill or be kicked back to its summit, but heat can't flow from cold to hot.

To illustrate, Rovelli picks up his pen and drops it from one hand to the other. "The reason this stops in my hand is that it has some energy, and then the energy is turned into heat and it warms up my hand. And the friction stops the bouncing. Otherwise, if there was no heat, this would bounce forever, and I would not distinguish the past from the future."

So far, so straightforward. That is, until you start to consider what heat is on a molecular level. The difference between hot things and cold things is how agitated their molecules are – in a hot steam engine, water molecules are very excited, careening around and colliding into each other rapidly. The very same water molecules are less agitated when they coalesce as condensation on a windowpane.

Here's the problem: when you zoom in to the level of, say, one water molecule colliding and bouncing off another, the arrow of time disappears. If you watched a microscopic video of that collision and then you rewound it, it wouldn’t be obvious which way was forwards and which backwards. At the very smallest scale, the phenomenon that produces heat – collisions of molecules – is time-symmetric.

This means that the arrow of time from past to future only emerges when you take a step back from the microscopic world to the macroscopic – something first appreciated by the Austrian physicist-philosopher Ludwig Boltzmann.

"So the direction of time comes from the fact that we look at big things, we don't look at the details," says Rovelli. "From this step, from the fundamental microscopic vision of the world to the coarse-grained, the approximate description of the macroscopic world – this is where the direction of time comes in.

"It's not that the world is fundamentally oriented in space and time," Rovelli says. It's that when we look around, we see a direction in which medium-sized, everyday things have more entropy – the ripened apple fallen from the tree, the shuffled pack of cards.

While entropy does seem to be inextricably bound up with the arrow of time, it feels a bit surprising – perhaps even disconcerting – that the one law of physics that has a strong directionality of time built into it loses this directionality when you look at very small things.

"What is entropy?" Rovelli says. "Entropy is simply how much we're forgetting about the microphysics, how much we are forgetting about the molecules."

THE BEGINNING AND THE END

If there is an arrow of time, where did it come from in the first place?

"The answer is embedded in the beginning of the Universe," says Carroll. "The answer is because the Big Bang had low entropy. And still, 14 billion years later we are swimming in the aftermath of that tsunami that started near the Big Bang. That's why time has a direction for us."

The extraordinarily low entropy of the Universe at the Big Bang is both an answer and an enormous question. "The thing we understand the least about the nature of time, is why the Big Bang had low entropy, why the early Universe was like that," says Carroll. "And I think honestly, as a working cosmologist, I think that my fellow cosmologists have dropped the ball on this one. They don't really take that problem seriously enough."

Carroll published a paper in 2004 with his colleague Jennifer Chen, in which they aimed to explain why the Universe had such low entropy close to the Big Bang, rather than just assuming or accepting this was the case. "There's plenty of loopholes in the theory, plenty of aspects of it that are not completely baked – but I also think it is by far the best theory on the market," says Carroll. "It doesn't cheat."

Other cosmologists agree that it is indeed time to turn serious thought to this problem of the Universe's low entropy origins. "The likelihood of our current Universe having initial conditions of this kind, and not any other kind, is around one in 10 to the 10 to 124 (1:10^10^124)," says Cortês. (Another way of saying it is that the event had a probability of 0.00…01 – with 10^(10^124) zeroes omitted – a number so large it's awkward to express in conventional maths, Cortês notes.) "I mean I could safely say, this is the largest number in modern physics, outside of philosophy or mathematics."

Simply taking such unlikely low-entropy origins as given is a grand case of "shoving the problem under the rug", Cortês says. "If physicists keep doing this, after a while it's going to be a very big pile under the rug. It's left to us cosmologists to explain why time only moves forward."

Even if we don't yet know why, the Universe's low entropy past is a plausible source of time's arrow. Like most things that have a beginning, the arrow will also have an end. The first person to spot this was, once again, the Austrian physicist Ludwig Boltzmann.

"Boltzmann thought, 'ah, entropy is growing in the Universe and maybe it's going to maximum at some point'," says Rovelli. At that point, heat would be evenly distributed throughout the Universe, no longer flowing from one place to another.

There would be no energy available in a useful form for doing work – in other words, almost nothing interesting would be happening throughout the entire Universe. As astrophysicist Katie Mack describes it, "As that process continues, everything is decaying so much that all that’s left is the waste heat of everything that ever existed in the Universe." This fate is known as the thermal death of the Universe, or heat death.

"Stars will stop burning, nothing will happen anymore. There will be nothing but small thermal fluctuations," says Rovelli. "Suppose this happens – and we don't know for certain if it's going to happen, but suppose it does – should we say that there is no time direction there? Of course there's no time direction, because every phenomenon that happened one way could also go one way or the other. Nothing will distinguish the two directions of time."

This is perhaps the strangest thing about the arrow of time: "It only lasts for a little while," says Carroll.

It's very hard to picture what might happen if the arrow of time eventually vanishes. "When we think we produce heat in our neurons," says Rovelli. "Thinking is a process in which the neuron needs entropy to work. Our sense of time passing is just what entropy does to our brain."

The arrow of time that arises from entropy brings us a long way closer to understanding why time only goes forward. But there may be more arrows of time than this one – in fact there is arguably an entire volley of arrows of time pointing from the past to the future. To understand these, we have to step from physics into philosophy.

HUMAN TIME

The ways that we intuitively understand and experience time shouldn't be taken lightly, says Jenann Ismael, professor of philosophy at Columbia University, New York. If you think about your own experience of time, you may soon be able to recognise several of the psychological arrows that form a core part of human experience. One of these arrows is what Ismael terms "flow".

"If you look out at the world, you don't experience a purely static representation of the instantaneous state of the world," she says, like in a movie made up of a number of static frames every second. "We see directly that the world is changing."

This experience of the flow of time is built into our perception. "Vision isn't like a movie camera at all," says Ismael. "Actually what happens is your brain is collecting information over some temporal period. It's integrating that information so that at any given moment, what you're seeing is a computation that the brain has done. So that you not only see that things are moving, you see how fast they're moving, the direction in which they're moving. So the whole time, your brain is integrating information over temporal intervals and giving you the result. So you see time, in a way."

There's a second feature of time that Ismael distinguishes from flow, which she terms "passage".

The idea of passage is closely bound up with time-oriented experiences such as memory and anticipation. Take the example of a wedding, or any much-anticipated life event. Our experience of these moments has many layers – from the fractious planning stages, to the intensity of the day itself, to recollections that stay with us for years. There is a directionality to these different experiences: the way we anticipate an event in the future is fundamentally different from how we remember it when it's passed.

"All of that is part of what I think of as the experience of passage, this idea that we experience every event as anticipated from the past, experienced in the present, remembered in retrospect," says Ismael. "It's kind of Proustian in its density."

These aspects of the directionality of psychological time – as well as many others, like the sense of openness we have about the future but not the past – could all trace their roots back to the arrow of time born of the Industrial Revolution.

"I think it does all come back to entropy," says Ismael. "I see no reason now to think that the kinds of arrows that are involved in human psychology are anything but ultimately rooted in the entropic arrow. But it's an empirical question. This project to understand human experience in relation to the entropic arrow, I've no reason to think it's going to fail."

That project is what Carroll hopes to do, taking several features of our experience of time and relating them back to entropy. His first target is causality, another element of the arrow of time, as causes happen before their effects.

To say the least, this project is a major undertaking for all physicists and philosophers involved. And still, lurking in the shadows behind all such efforts, there remains that nagging question about why entropy was so low in the earliest Universe.

"I think we understand why we have this sense of flowing," says Rovelli. "We understand why the past seems fixed to us that the future seems open. We understand why there are irreversible phenomena, and we can reduce all that to the second law of thermodynamics, to the rise of entropy.

"It's very much related to the fact that if we trace it back, back, back, to fact that the Universe started very small, in a very peculiar situation. Then somehow, it's falling down from that peculiar situation.

"But of course there's one question open, I mean, why? Why did it start in that particular way?"

Link to original article here:
https://www.bbc.com/future/article/20221003-why-does-time-go-forwards-not-backwards

Thursday, October 6, 2022

What It's Like To Get Old

“Inside, we are ageless and when we talk to ourselves, it’s the same age of the person we were talking to when we were little. It’s the body that is changing around that ageless center.”
--David Lynch


“I love getting older. My understanding deepens. I can see what connects, I can weave stories of experience and apply them. I can integrate the lessons. Things simply become more and more fascinating. Beauty reveals itself in thousands of forms.”
--Victoria Erickson

https://www.davidlynchfoundation.org/
https://www.victoriaerickson.com/

Friday, March 11, 2022

BEAUTY: Painting--Tom Colcord

In his fascinating series Fluidity of Perception, artist Tom Colcord captures the kaleidoscopic sense of how we perceive and recall our experiences and our world. His imagery consists of a collage of places and elements that get put into a blender and remembered in a lump. I can imagine the inner monologue from some of these paintings: Oh yeah, I remember that was the night I went with my friend Christine to a party at her friend Tom's house in an old apartment building on the fifth floor and one of the tenants had a ton of plants by their door and we all got really drunk and went to Chinatown after midnight for something to eat and then decided to drive over the bridge to Marin and we saw a deer with a big rack in the full moon...


Top to bottom: Flood; Gentrification of the Dead; Greenhouse Effect; It's Not Gonna Rain Tonight; Perfect Is the Enemy Of The Good; The Best Place I Could Be In A Strange World; Time I Forgot

Monday, September 13, 2021

Friday, January 29, 2021

Life by Dagsson

Blink of an eye...

https://dagsson.com/

"One day you're seventeen and planning for someday, and then quietly, without you ever really noticing, someday is today, and that someday is yesterday and this is your life."
--Mark Schwahn, "One Tree Hill"

Friday, October 9, 2020

Time Crystals?

Oh, by the way, did you hear about this mind-boggling scientific discovery? It sounds like something form an episode of "Dr. Who."

For the First Time Ever, Scientists Caught Time Crystals Interacting

That's huge news for the most mysterious phase of matter—and maybe physics as we know it.

BY CAROLINE DELBERT OCT 1, 2020

For the first time, scientists have observed an interaction of a rare and baffling form of matter called time crystals. The crystals look at a glance like “regular” crystals, but they have a relationship to time that both intrigues and puzzles scientists because of its unpredictability. Now, experts say they could have applications in quantum computing.

Scientists only theorized the existence of time crystals starting in the 2010s, making this the state-of-matter equivalent of so-called ruby chocolate—is it really a new thing or just a special case of something else? (Sorry, ruby chocolate, we’re not convinced.)

By 2015, researchers were outlining ways time crystals could exist, generalized as a “non-equilibrium form of matter”:
“The team was investigating what happens when certain isolated quantum systems, made of a potpourri of interacting particles, are frequently prodded by shining a laser on them. Counterintuitive to conventional physics, which maintained that mayhem would ensue once the systems would heat up, the Princeton team’s calculations showed that under certain conditions, the particles would glue together to form a phase of matter with properties previously unseen.”

Now, researchers say, they’ve collided two time crystals to see what happens next. “Our results demonstrate that time crystals obey the general dynamics of quantum mechanics and offer a basis to further investigate the fundamental properties of these phases, opening pathways for possible applications in developing fields, such as quantum information processing,” they explain in a new paper.

In their experiments, they placed two time crystals in superfluid and mixed magnons between them. Magnons are a magnetic quasiparticle that, in this case, led to “opposite-phase oscillations,” while the crystals themselves stayed phase stable. What’s cool (and, literally, supercooled) is how the matter acts within predictable quantum mechanical ways despite the central quality of wild oscillation patterns over time.

“Before this, nobody had observed two time crystals in the same system, let alone seen them interact,” lead author Samuli Autti, of Lancaster University, said in a statement. “Controlled interactions are the number one item on the wish list of anyone looking to harness a time crystal for practical applications, such as quantum information processing.”

Without this key finding, people could likely not entertain even the notion that a time crystal could be part of a designed system at all.

What is the odd oscillation that sets these crystals apart? There’s an interior motion that seems to violate one of the fundamental laws of physics, which is that the moving particles continue to move and seem never to lose any energy. Where is the initial energy coming from, and why doesn’t it ever dissipate?

In a way, studying how the crystals interact makes the question more puzzling, because it narrows down some parameters. The crystals act normal in these certain other ways, and that means whatever the energy source or phenomenon is remains at large.

Link to original article:
https://www.popularmechanics.com/science/a33648414/scientists-catch-time-crystals-interacting/

Monday, August 26, 2019

Just finished watching...

both seasons of Netflix's amazing series "Dark."


Recommended by a friend whom I trust, but who thankfully did not say much about the story itself, my husband and I plunged into "Dark" head first without knowing how deep the water is and wow, is it deep. This smart, dazzling, complicated German series (best watched in the original German with subtitles on, and not with the dreadful, lifeless English language overdub) is in many respects unlike anything we have seen before...a feat hard to achieve in a world which seems to tell the same stories over and over again. While on the surface it may be a detective-crime-missing-child story, it is above and beyond all else, a fantastic science fiction story with a very unique point of view. It is also a very effective psychological study of small town and family dynamics, the destructive nature of secrets, and the suffocating, ravaging consequences of keeping emotions inside. It is also about how all of our choices--and sacrifices--in life, whether based on love or hate, literally determine our and other's destiny. Binge watching this series is both fulfilling and necessary as the storyline is a gigantic, compelling puzzle and the plot points are each fascinating pieces that slot together with a satisfying click.

These events take place in the small German town of Winden, in several time periods (1953, 1986, and 2019), where we see its citizens both as young men and women, and then old. "Dark" is certainly a story about time and its effects on us as humans. The cast is simply phenomenal--I have completely believed every single moment from every actor. Which is why it is necessary to hear their voices as they organically produced emotions...and not an overdub by someone in a sound booth who is not invested in portraying truth. The art direction is impeccable for the different time periods as well. All in all, a stunning achievement without being flashy or having a plotline with car chases or explosions. The third and final season has been filmed and will air sometime in 2020. I can't wait to find out what is going to happen.




Recommend? YES! If you don't know much about it, just start watching. Going in without much prior knowledge is the best way for it to work. But I will advise you to PAY CAREFUL ATTENTION as each detail, face, event, clue, and phrase is very important to the puzzle.

https://www.netflix.com/title/80100172

Saturday, October 13, 2018

Just finished reading...

...HERE by illustrator Richard McGuire.


Well, "read" is a bit misleading as this is a graphic novel. Look? Watch? See? How does one absorb a graphic novel? No matter as this is unlike any graphic novel you may have encountered before. Absorb is a much more apt description.

In 1989, McGuire created "Here," a short, 6 page illustrated story which was published in RAW, a comics anthology edited by legendary graphic novelist and cartoonist Art Spiegelman along with Françoise Mouly. The narrative was simple enough: a meditation on a single home and all the people who have lived there and things that have transpired on that spot at different points in history and time. But the execution was something the comics world had never seen. McGuire effectively deconstructed the comic format, something that had not been done before. It proved so revolutionary that, in his book READING COMICS: HOW GRAPHIC NOVELS WORK AND WHAT THEY MEAN, author and critic Douglas Wolk wrote that its "influence has echoed through art comics for decades."

The idea was so profound, McGuire greatly expanded on it and published HERE, a 300+-page version of the story, in 2014 and I am so glad he did. This is a deeply moving, thought-provoking book which keeps the same basic premise but covers even more time.

Imagine a film camera set up on a single spot, filming everything that passes in front of it. Imagine that camera has been there for a long time. I mean a long, long time. And imagine that it will stay there for a long, long time to come. Now imagine you get to flip through moments this camera has captured over this time span...past, present, and future. After all, physics tells us all time is simultaneous. We begin in a house, camera pointed toward a corner...window on the left, fireplace and mantel on the right. People come and go, families live there and pass on. They may be related, they may not be. People celebrate holidays, people have parties and dance, people get angry with each other, people misplace keys and wallets, people have children, people lose loved ones. But before the house was there, the location was there...and so was our camera. The angle and placement of our view never changes. And never will.


As you can see, the story unfolds simultaneously, in windows--sometimes small, sometimes large--that show us glimpses of what was, what is, and what will be, identified by the year in the top left corner. The windows move around in our frame, showing us something in this corner, that corner, by the fireplace, all around the space. It is a startling premise, one that proves to be truly transcendent. The cumulative effect is one of impermanence and permanence at the same time. When you step out of the subjective time stream, it all looks so fragile and beautiful: the grandeur and the daily minutiae is heartbreaking. Embedded in the change is a sense of eternity.

This story resonated with me deeply because I basically grew up in my grandmother's house in upstate New York. The house itself was built on the site of a previous home. My grandparents bought the plot of land and the shack that was on it for my grandfather to tear it down and build a new home for his bride. He dug the basement and poured cement and fitted rocks for the walls and foundation. This was during The Great Depression and materials and money were scarce so he had to be inventive. An indoor miniature golf attraction at the edge of town had recently closed and the raw pieces were being sold off so he sourced the wooden floor boards to be the floor boards in their new home. An occasional golf-ball-sized hole is still visible if one stands in the basement and looks up. My father and his siblings all grew up in that house, my grandfather died in the house he built with his own hands--so much love and resentment and laughter and joy and tears and new life and death all contained within a small structure of wood and glass and metal--and the home stands there to this day, with new occupants who have no idea how the house came to be, what has transpired in it, who lived there, or how much it means to certain people who are still alive, and who would love to step into it once more. I actually got to walk through it several years ago when it was between owners, and the smell of the kitchen was the exact same as when my grandmother lived there. Yet the backyard had changed. A small hill had been filled in and a flower garden and extensive vegetable garden had been eliminated. It was all just grass, no trace of the strawberries, sweet corn, and crunchy peas I used to nibble on as a child. The charming white fences had been destroyed. My aunt, who grew up in the house as well, had a chance to rent it recently but discovered that the house has not been cared for the way it should have. She moved away. Ever since I was young, I have tried to imagine the little shack that stood there before the home that I know and love so well, the home that occupies my dreams at night. I try to imagine what was there before the town existed, the First Nation people who lived there. And the ice sheets before that...all the way back to Pangea, to a molten ball of lava, to the formation of our solar system and galaxy. And there, the little house sits now. What will become of it? And what will become of us? We will all be eliminated and destroyed like the flower and vegetable gardens and fences. But your spot will remain.

Recommend? Absolutely. Buy it and absorb it. It is a quick "read"--about 20-30 minutes. But once you are done, wait a few days and then go back and ponder through it again. You will pick up more each time. It's just gorgeous.

http://www.richard-mcguire.com/

Thursday, March 22, 2018

BEAUTY: Digital Collage--Luis Toledo

Luis Toledo. Graphic artist. Maximalism.

"Death, spirituality, necessity, beginning and end.
Death is just one more step in which we abandon the skin to continue our existence with another form. The liberating end. Another aspect of life, so vital and necessary as life itself.
The mirror that our eye escapes from, but nevertheless, charges against without remedy in these images.
The other side becomes visible, evident, melted with the reality from which was never separated.
Skulls, skeletons, insects, fungus, bodies with no face and solitaries expressions, abstract and geometric forms, all in an unmaterialized arsenal.
The reality ( material ) is obvious, monotonous and predictable. It is easy than to understand the fascination of the author for the none-material and spiritual part of life and how they are related and represented.

Time, past, present and future and eternity.
The definitive illusion follows its path in a clock-time rhythm.
We run desperate after each second trying to stop it, trap it, take it, use it. “ Time is gold” they say, but in reality is only a measure like weight or height. Your life is not the time that has been until the moment, of course not. It is necessary that we are conscious of the present moment, taste it, enjoy it.
This is an idea that is developed in each work with fraction complexity inviting the spectator to stop and appreciate with care each detail.
An attention call for the consumer society, and even more, for the constant images designed to use ans throw. Something that the author calls out : “ hurry kills”.
The brief instant becomes the key of eternity.
The use if images and aesthetics picked up from the past, mixed with abstract and contemporary forms, transport us into a un-timed territory; and in here, present, past and future mix in a symbolic reality."



Top to bottom: Offering Ritual; Portrait; Thangka; The Secret; Logic of a Dream; The Mushroom Garden

http://laprisamata.es/

Monday, July 3, 2017

"Eternity Now"

And I mean right now.


Neon light sculpture by Sylvie Fleury.
http://www.sylviefleury.com/

Tuesday, August 23, 2016

Just For A Second


“Sometimes I feel like if you just watch things, just sit still and let the world exist in front of you - sometimes I swear that just for a second time freezes and the world pauses in its tilt. Just for a second. And if you somehow found a way to live in that second, then you would live forever.”
--Lauren Oliver, from her novel PANDEMONIUM

http://www.laurenoliverbooks.com/

Friday, January 1, 2016

New Year Greetings 2016

"Year's end is neither an end nor a beginning but a going on, with all the wisdom that experience can instill in us."
--Hal Borland


"Time has no divisions to mark its passage, there is never a thunder-storm or blare of trumpets to announce the beginning of a new month or year. Even when a new century begins it is only we mortals who ring bells and fire off pistols."
--Thomas Mann

Saturday, October 10, 2015

If Time Isn't Real


“If time is not real, then the dividing line between this world and eternity, between suffering and bliss, between good and evil, is also an illusion.”
--Herman Hesse