‘Hey Bill Nye, Is Time Real?’

‘Hey Bill Nye, Is Time Real?’ #TuesdaysWithBill
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Our brains are terrible clocks. An hour can pass like a few minutes, a day can drag on for what seems like two. Because of that, we’re not always sure that time is real - is it just a label we’ve stuck onto the observed patterns of our universe? We can’t see, feel, or hear time, we can only see its effect on us and on things over the course of our lives. Bill Nye believes its both subjective and objective - there is something definitively measurable to time, and yet it’s so mysterious to our brains. Nye thinks (or hopes) that in his lifetime, a new discovery will be made about the nature of time and space-time that gives us some more answers about this curiosity-inducing fourth dimension. Bill Nye's most recent book is Unstoppable: Harnessing Science to Change the World.
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BILL NYE:
Bill Nye, scientist, engineer, comedian, author, and inventor, is a man with a mission: to help foster a scientifically literate society, to help people everywhere understand and appreciate the science that makes our world work. Making science entertaining and accessible is something Bill has been doing most of his life.
In Seattle Nye began to combine his love of science with his flair for comedy, when he won the Steve Martin look-alike contest and developed dual careers as an engineer by day and a stand-up comic by night. Nye then quit his day engineering day job and made the transition to a night job as a comedy writer and performer on Seattle’s home-grown ensemble comedy show “Almost Live.” This is where “Bill Nye the Science Guy®” was born. The show appeared before Saturday Night Live and later on Comedy Central, originating at KING-TV, Seattle’s NBC affiliate.
While working on the Science Guy show, Nye won seven national Emmy Awards for writing, performing, and producing. The show won 18 Emmys in five years. In between creating the shows, he wrote five children’s books about science, including his latest title, “Bill Nye’s Great Big Book of Tiny Germs.”
Nye is the host of three currently-running television series. “The 100 Greatest Discoveries” airs on the Science Channel. “The Eyes of Nye” airs on PBS stations across the country.
Bill’s latest project is hosting a show on Planet Green called “Stuff Happens.” It’s about environmentally responsible choices that consumers can make as they go about their day and their shopping. Also, you’ll see Nye in his good-natured rivalry with his neighbor Ed Begley. They compete to see who can save the most energy and produce the smallest carbon footprint. Nye has 4,000 watts of solar power and a solar-boosted hot water system. There’s also the low water use garden and underground watering system. It’s fun for him; he’s an engineer with an energy conservation hobby.
Nye is currently the Executive Director of The Planetary Society, the world’s largest space interest organization.
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TRANSCRIPT:
Alicia: Do you think time is real? For example, sometimes an hour can feel very short and sometimes it can feel very long depending on your perception. So then is time subjective? If it's a measurement of something what is it a measurement of? I'd really like to know your thoughts about time. Thank you.
Bill Nye: Alicia, that is fantastic. Notice that in English we don't have any other word for time except time. It's unique. It's this wild fourth dimension in nature. This is one dimension, this is one detention, this is one dimension and time is the fourth dimension. And we call it the fourth dimension not just in theoretical physics but in engineering. I worked on four dimensional auto pilots so you tell where you want to go and what altitude it is above sea level and then when you want to get there. Like you can't get there at any time. We have a whole bunch of other words. We have appointments. We have morning, afternoon, evening, noon time. We have a whole bunch of words describing periods of time, but when it comes to actual time we just have this one word it's a strange and surprising thing.
So along this line, in my opinion, which as you know is correct, I'm kidding, in my opinion time is both subjective and objective. What we do in science and engineering and in life, astronomy, is measure time as carefully as we can because it's so important to our every day world. You go to plant crops you want to know...
Read the full transcript at bigthink.com/videos/hey-bill-...

[@bigthink]

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[@gabethedog4043]

"In my opinion - which as you know is correct," that had me dead lmao

[@NoNo_IStay]

Which one of you flat foots took my chocolate bar

[@robotspartan9351]

man I remember watching bill in kindergarten, now I'm an adult, it brings back a lot of memories.

[@tackyvanilla6725]

RobotSpartan I remember when I was little (only 14 I mean real little) they showed us a few bill nye science guy shows and I remember thinking. (why is this guy so old) haha he was probably in his prime but I had no clue lol.

[@NoNo_IStay]

Are you? ;)

[@derradfahrer5029]

“Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. That's relativity.” -- Albert Einstein

[@penguinvader7057]

How Can Time Be Real If Our Eyes Aren't Real?

[@stimproid]

Jaden smith?

[@penguinvader7057]

+stimproid yep

[@wreckingtestes2885]

Our pineal glands our real eyes

[@sidewinder2057]

Penguinvader Instantly thought of the same!

[@rev3274]

We don't need eyes where we're going.

[@pthomasgarcia]

"Ticking away the moments that make up a dull day Fritter and waste the hours in an off-hand way"

[@bartkelly4382]

I gotta go listen to that now haha

[@Jamamegapr]

P. Thomas Garcia Best definition of 'Time' comes from Pink Floyd 😹

[@joshuaWEC]

P. Thomas Garcia "The time is gone, the song is over. Thought I'd something more to say."

[@sweatysack4761]

"Sit down, be humble"

[@beatbbb]

the sun is the same in a relative way but youre older

[@tomhasling]

Thyme is totally real. So is oregano.

[@ThatGoodBarbequ]

Thomas H bruh 😂

[@MysticDonBlair]

Sage advice.

[@RobertF-]

I don't think you herb the question right. Do you even understand the basil concept of spicethyme?

[@NCbassfishing24]

No, oregano is fake-marijuana.

[@RobertF-]

J Price If you smoke marijuana everything seems fake, including thyme, but I don't have to tell you that, you probably oregano.

[@InMaTeofDeath]

It won't be a discovery Bill, it's an Arrival.

[@masterawesome11]

Haha, such an awesome movie!

[@DandyGuy]

Ayy just watched that last night. Stellar film

[@ricksanders4934]

DandyGuy what movie did you watch?

[@masterawesome11]

Yeah, Arrival. I highly recommend seeing it.

[@ricksanders4934]

Oh. lol (went over my head). I'll check it out. Thanks peeps :)

[@nikelover76]

"He had no understanding of relativity. Not because he was he was a bad person, because no one had discovered it yet." Nowadays, we either say you understand relativity or you're a bad person.

[@imdawolfman2698]

And if you say you understand Quantum Mechanics girls will swoon! But physicists will shake their heads because nobody understands Quantum Mechanics, Physicists just know the math works, mostly. What's that smell?? AHA! It must be the cat!

[@nataliswolf]

I hope one day the world realizes what I did a long time ago. Bill Nye belongs in the same breaths as Bob Ross, Mr Rogers and Steve Irwin Bob Ross - Be kind to yourself Mr Rogers - Be kind to others Steve Irwin - Be kind to animals Bill Nye - Always Seek to understand

[@stephenmoran2643]

This is a good one. As a kid I would think about random brain teaser stuff like this all the time. This is one of the 2 I still think about as an adult.

[@ZennExile]

Time is the observation of Entropy. Nothing more. Nothing less.

[@arielmscisney6128]

Agreed

[@ChaosmanOne]

That's exactly right. I would only add that it is a measure of the subjective experience one has of the rate of entropy as it compares to ones current position.

[@ZennExile]

I would then however, disregard your perspective in favor of what is exactly correct, nothing more, nothing less. Just the Observation of Entropy which already implies all variables that can ever or will ever exist. Then I will remind you that nothing more, nothing less, is quite literal and you have nothing of substance to bring to this conversation not inspired by a spectrum laced bowl of semantics. And then bid you "good day sir" with the tip of a metaphorical fedora as I head on back to west philly where I was raised. I was born out there, lived on them streets till the neighborhood started getting rough and the tiny ship was tossed. If not for the courage of my fearless mom's shipping me off to live with my Aunty out in Cally, we probably woulda lost that CatDog. Now I just sit on my Throne and play Games with Fuckpotatos.

[@ZennExile]

Relativity is 100% about the observation of entropy as compared to the speed you are traveling. So what about it?

[@themichaelcom]

Zenn Exile Entropy: amount of disorder. Second law of thermodynamics: entropy increases in an isolated system over time. At the end, when the universe hits zero degrees kelvin, all matter will stop its kinetic movement. How is that more disordered than the universe as it is right now?

[@unbrokenveterans4081]

THANK YOU. It feels so good to hear a well known scientific figure mention the idea that not much can be truly known. I have found myself dipping in and out of this state of confusion by asking myself these questions and I’m glad to see that it’s a subject that others are aware of and that it’s not just me

[@drabberfrog]

2:40 "sometimes it feels short sometimes it feels long." That's what she said!

[@fishcheeks7454]

Only your stupid ass thinks this is funny. It's not surprising due to the fact that you have a fortnite pfp. Go fuck yourself

[@grittygoddess]

SoUp lol

[@rickard1200]

@Andrew Siegel What the actual fuck are you on? lmfao

[@siva6272]

she didn't tell like in the video 🤔🤔

[@drabberfrog]

@@fishcheeks7454 why are you so triggered? It's the KZbin comment section. I don't have a fortnite profile picture. You go fuck yourself. You have an ugly ass fish profile picture.

[@upandatom]

Time is just the increase in entropy, so then it is very real.

[@max-beckett]

I've always perceived that from our perspective there are two versions of time. One we have created ourselves and keep by to maximise our output (so, clocks) and universal time that is just one huge spectrum of movement that we can't comprehend.

[@kevin4014]

Blimey!

[@SargeScum]

time seems relevant when posting a comment.

[@questhere]

first!

[@greyson3131]

Loving this question. Not sure there is an adequate explanation of exactly what time is. Or rather, I'm not sure it's a thing we can truly understand in it's totality at our current level of understanding of existence. It's still worthy of contemplation. Bill's thoughts are probably the best, as usual, that I've heard so far on the subject.

[@Critterb0t]

Time is indeed a very philosophically loaded subject which can make it hard to talk about or say that you know anything definite about it, but that just makes it all the more an interesting thing to try to figure out.

[@sharkamov]

When it comes to the concept of time, all *_I_* know, is that; *''A clock or a timepiece, is the most indispensable instrument for helping you to keep track of the most precious commodity you will ever have: **_Time!_* . . . . .

[@ston3rgal]

I feel time measures distance. (point a to b)similar to length).. We may use slang terminology like "1978 wasn't that FAR/LONG ago" or "I want to be here AT this time"

[@lowqualityshitposts8860]

Time is what makes matter matter.

[@UtubeXcalibur]

Time is an illusion. Yesterday has gone and tomorrow may never come so, there is only now. Live in the moment and I wish to everyone that it is a pleasant experience for you ☺

[@knowpassword]

Brian Greene explained it real nice.. I actually understand it somewhat.. enough to change my paradigm about what all this really is.. past present and future seemingly all are just as real as present "now slice". Speed is also involved. We perceive a flow of time from past to future because of entropy.. the natural tendency of things to go from order to disorder..

[@chaosopher23]

Time exists to keep everything happening at once. It's a way to prevent infinity with an infinity.

[@myleswinright8106]

Caoimhin Tew holy shit what amazing words

[@Joshua209]

This reminds me of something I only vaguely remember, where some particles were found to change whenever they were being observed. So what you saw was different from what was there when they weren't being observed. In which case maybe there's something between the 2. "Quantum Theory Demonstrated: Observation Affects Reality"

[@jonathanhyde1355]

Opaque Baroque double slit experiment

[@AbyssinianEmerald]

Love the question, and good job with the answer, WillIAm!

[@evilpandakillabzonattkoccu4879]

....sometimes driving a long distance feels like forever and sometimes it doesnt feel like you could possibly have traveled as far as you did. Our perception of distance doesn't change the distance itself or make it not real. Same with time.

[@Boeing_hitsquad]

I describe "time" to my son as "the speed of light relative to you/your interaction with light over a period of elapsed events."

[@isaacvaldivia9735]

Phil Verhey why do you tell him stupid shit like that?

[@Boeing_hitsquad]

more importantly .. why do you think that is stupid? I always love a good joke!

[@Boeing_hitsquad]

still waiting .. come on! .. what's the matter? aren't you a big bad internet know it all? _let's fix your comment for you_ *"Duh, why would you tell him stupid shit like that? DERP!"*

[@xMrJanuaryx]

The actual answer: yes time is real. It is a thing and it can be manipulated just like you might manipulate your favorite stress ball. He touches on this manipulation when he talks about gravity and speed. Increasing speed can slow time. Increasing gravity can also slow time. A weak explanation of time might be measurement of entropy. That is to say time measures entropy like thermometers measure temperature, not exactly true but that might help.

[@nostalgia63]

Good video. Philochrony is the theory that affirms that time is magnitive: objetive, imperceptible (intervals) and measurable (duration).

[@nikolaimaness2477]

Dude, bill inspired me to chase my dreams....I'm working to become a Evolutionary Biologists and biochemist. I am currently reading his book "Undeniable Evolution and the science of creation". I would do ANYTHING to meet and talk to him.

[@lperthel]

from my understanding time is defined in relation to the direction of entropy increasing

[@ajlcunha]

What a wonderful question! I freaked out!

[@andrewl5201]

all that is real is the right now, time just helps us arrange events in our mind and make sense of things because the reality is hard for us to grasp completely.

[@gekkobear1650]

Bill I'm gonna watch the crap out of your new show

[@imdawolfman2698]

Time is a wave effect in superposition until you observe it, then it collapses into the past. I forget what the 'refresh rate' is of human awareness, something like 1300 a second, so perception comes in discrete quanta, chunks if you will, and is discontinuous. Under certain conditions (anesthetics like sodium pentathol, nitros oxide, etc) this can be observed as seeing dark spaces between the moments of time and sometimes accompanied by a weird harmonic wa-wa-like rhythm in sound.

[@pendejoguay]

Bill is smart, and very articulate, and can make you think. All great traits. Whenever I watch these videos however, he never seems to really answer a question. He does a good job of dancing around it, and is very good at saying some thing like, "time is subjective and objective". Dude, give and answer and give the reasoning. For example, I think time is real. Things have a beginning and an end. Unless some thing will never have an end, then time doesn't exist. We create tools to determine how many times we pass by a counted moment to say that some thing has an age. Time exists, but it is not tangible.

[@AntonioRockGP]

One interesting thing to think about is the relationship between time and causality. Because if time is relative and some observer can see events in a different order than another, then all that matters is causality! This can even mess with free will!

[@EighteenYearAccount]

Antonio Duarte Time being relative has nothing to do with the order of things. A fly may see everything in slowmotion relative to a human, but the order of events is the same whatever "speed" time flows in.

[@AntonioRockGP]

Richard Lionheart Imagine I'm the Captain of the enterprise from Star Treck. I see a laser fired at me from somo light hours away. At the moment I have no power to raise the shields. Because the battle is happening near a black hole, I decide to get away from the black hole so that relative to me the laser moves slower and my time runs faster (less gravity) so I buy time to work on my shield problem. But from were I am now I can see no laser because it doesn't yet travelled close enough to be detected by my scanners. So my move was caused by something that is yet to exist in this new time reference. Furthermore, in the other time reference the laser shoud have caused the end of the enterprise. But, because I changed the time reference I changed the causality, because, now I will have shields up when the laser arrives!

[@-.._.-_...-_.._-..__..._.-.-.-]

Yes, time is based on something. Years & seasons are based on the Earth's orbit; months & weeks are based on the Moon's orbit; days & hours are based on the Earth's rotation. Your clock is an instrument used to estimate the Earth's position in rotation. Your calendar is an instrument used to estimate the Earth's and Moon's position in orbit.

[@pogmog]

"Philosophically you can't know anything"? I think Bill Nye would do well to investigate some Kant, especially his conception of _a priori_ knowledge. It is interesting to note that Einstein himself supposedly read Kant's _Critique of Pure Reason_.

[@hortlockthelivingdead4676]

hi man great comment can I ask how do we know Einstein red Kant's main work ?

[@cynthia7468]

In every single one of these videos people complain about the fact that Bill doesn't answer the questions precisely or doesn't understand them or what so ever. But the point is, these people are not asking obvious and well known stuff, so there's no categorically right answer and sometimes there's no answer at all

[@AnthonyScozzari]

How do I submit a question to bill

[@SirajRaval]

i love u so much bill

[@Z3r0XoL]

Time is progression, progression is movement, movement can only happen in space. Spacetime.

[@BennoRob95]

We measure time from the constant of an oscillation in nature, we measure everything else using time, it is cyclical, so if time stretched or compressed every other measurement would stretch/compress in ratio including the ones we use to perceive reality which is why time is such a mystery, we can't know, not yet anyway ;D

[@GranRey-0]

We use Chrono to mean time in other words like Chronology or asynchronous. It's originally Greek but that's about the only other word that means time in English

[@xandersauce4734]

time is a unit of measurement predicated on our ability to recall an predict. It is a repertoriation of motions that we modulate with meaning through varous methods, whether they be sensorial or emotional. Time doesn't exist outside the narrow boundaries of our ability to memorize. If time stops at light speed it means that no further energy can be added or distinguished within the lightspeed, making supplementary motion impossible (a theory guys). This can explain timeflow in general. As for time travel, it involves wating at the speed of light, which would feel like teleportation (nothing can move within the framework of lightspeed, so can't your brain). Time is a semiotic illusion, an explanation that we found to better modulate reality in the favour of our cognitive structure and abilities.

[@sngscratcher]

Time is fundamental; it is necessary for change.

[@jarret9438]

well maby just like particles the observation of time is relative to how its perceived but it is possible to change you personal perception of time regardless of every thing thats relative to time

[@1p6t1gms]

The coming and passing of everything, including all Universes I would expect, however, you seem to only live in fractions of a moment and when a new fraction has come, another new is there while the older one will be gone. I’m sure there is so much more to be known about time that when it is understood it will change us for the better forever more. If there is no matter in any of the Universes somewhere does time continue too exist or is it measured just by your consciousness.

[@TaylorjAdams]

You had me for so far into that response, but actual real philosophers really haven't been worrying about that question for centuries now. So it seems how scientists and engineers tend to view how philosophers spend time is also very subjective.

[@usaherobrine]

Hello...my name Flim and I'm four years old. I'd like to ask what is the theoretical basis of the "so-called" infinite dimetric seclusion hypothesis. Can the trajectory of the hypotenuse match the oblique? Thanks in advance.

[@TreyDieterich]

I think a more simple answer would be that time is the measurement of change. If nothing changed then time wouldn't exist. Time as we measure it somewhat relative. Depends on where we are in space. Like we measure a day as one revolution of the earth and a year as we make our way around the sun.

[@Emridas06]

I have thought about this significantly. Time pretty much is the science of measuring future and past nows, I believe that is a given and what Bill is talking about. However I think what is more intriguing is the question of what it is that makes time move 'forward'. Is time a force? Why does time change and how does it do that? This is something I would like to know.

[@zaquar]

Ooooh... Time not thyme

[@bbblaesing]

Time seems like matter moving through a dimension we can't perceive. always amazed me how an electron can be in two places at the same time, almost like it's traveling the plane of time. maybe all matter is traveling time and energy is just the facilitation of this motion forward. the universe always tends towards disorder, disorder is a form of energy always increasing.

[@TomLeg]

Imagine two people on an airplane, travelling say LA to NYC. One is really happy cause she's finally got a good acting role, to appear in a Broadway play. The other is worried or afraid about the thing he is travelling to. Maybe Mom is in the hospital? Will she live or die? Will he get there in time to see Mom? These two people might easily experience the flight as being very fast and taking forever, but the pilot and air-traffic control know exactly how many miles are being traveled per hour. Time is constant, but our experience of it can vary.

[@MrBears25]

Time is an indication of the day if all of a sudden night was day time and day was night time an adjustment to the new time is becomes apparent it’s a tool that we use rather than it actually existing I feel like time is an Illusion

[@mucephi1]

Duration?

[@krauser3806]

Time is a difficult thing to grasp as we don't even understand yet what or where the beginning of time is. Most would say it's the Big Bang but what about before that? This principle can be continued infinitely, both, into "past" and "future", always asking "what about before/after that?" By the way, both, past and future would also constructs designed by human minds, in my opinion. They don't actually occur. We live in the present and that never changes. Past is just a memory and the future an idea.

[@chedderburg]

I thought the question was "is time real" or is it just our consciousness encountering the of entropy of the universe. Or is entropy and therefore time only our consciousness perpetuating through the multiverse as part of an ever dividing universe(s) and its perception of the split, or the change or difference that exists in differant universe.

[@nakedsoul5895]

Time is an attempt to capture eternity.

[@teddaniels1270]

There is exactly one event that can ever happen: change. It involves literally every aspect of reality even those where it’s invisible to our immediate perception. The speed at which it operates (aka time) is hugely variable and frequently invisible, like its size. So it’s spooky: get used to it.

[@FinalConsensus]

Lemon Thyme is my favorite

[@jenniferkleczka4062]

They say that we only use a portion of our brain. What do scientist think the unused portions are capable of doing? And how can they be jump started?

[@dakzky8468]

time is real. infact i as an animator can play with it. i can stop and rewind and forward and adjust time. it's a flow. what happens when it stopped flowing? everything stops. if everything stops, that means any character won't even be concious to know that it's awake to even think that it's alive. us as a character, we are simply reading it because we have a mind. but take note that a mind requires time so it can think. remove that thinking and everything stops. sleeping or death are two ways to stop it

[@UhtredOfBamburgh]

Time is the rate that matter changes position within its gravitational influence. But thanks for the 5 minute ramble, Steve Brule

[@Muhbautz]

The calculation of rate includes time as one of its values so how can it be a part of its definition ?

[@mattavery505]

It's easy to predict what Bill will say on any topic-what answer will best promote the "green" energy industry and give people a self esteem boost for the extra money they pay for buying renewable energy.

[@yogimaster1]

Time is like light. It moves at a constant speed, but there are things, such as gravity and acceleration, that can change it's speed.

[@CreativeExeptionDoom]

I don't know if you intended to contradict yourself but, you just classified light and time as constants, then stated they were variables. But your contradiction was right, time is relative, and light changes speed when passing through materials, this causes refraction.

[@yogimaster1]

Actually, a better comparison for time is space. Time and space are both affected in the same way by gravity and acceleration, which have the effect of warping the dimensions of time and space. Thus, time is a "fourth dimension." Gravity will only change the direction of light, not its speed, and it's the result of the warping of space. And the speed of light actually ignores the acceleration of an observer, which my mind really doesn't understand. I understand the properties and dual nature of light, but I don't understand how or why. Still waiting for quantum physics and relativity to come together mathematically.

[@Brett_S_420]

Flow state. It is amazing.

[@MikiMaki76]

time is a property of matter. loose particles like photons don't experience time, it's the ensemble of interacting particles which give rise to time (and space). so time (and space) is not a primordial thing, but an emergent property

[@EighteenYearAccount]

MikiMaki76 A photon being a loose particle is not the reason why it doesnt experience time. Anything traveling at c does not experience time. Loose particles not traveling at c do experience time (half-life).

[@MikiMaki76]

the reason other particles do not travel at c is because they interact with some field and other particles. they may have weak interactions like neutrinos, and travel close to c, or strong interactions like protons, and travel a lot slower. interactions give a particle mass and the particle at that point experience time. c is not a speed, but the propagation of causality.

[@hcwbw3]

Time reveals it self to us with or through causality. This is “abc” now and is “xyz” latter. How ever our grasp or knowledge of time is ideal. Movement through space which happens in time binds these two from a sense input perspective in our minds. But Kant (who influenced Einstein) said it first and best. “Time and space are the structural components of reality.

[@AuntieMamies]

That was a great question with a really good answer

[@Dahbu1986]

Like Einstein said, Time is what you read of a clock. There is no "Time" as we use it, Change is, what we describe with time.

[@jaytyler6203]

IMHO without the movement of matter , time couldn't exist. Therefore it is the exact placement / position of said matter. measure a plank of wood. does the units used really change the reality of the plank?

[@myvideos4419]

4:46 long video, and what he infact said... "I do not know".

[@kingjames4886]

time is just a way people have developed to measure the progression of things. time as most people know it only works on earth... a clock is really quite an arbitrary measurement.

[@kourivi]

I agree and what I believe Mr. nye is time is objective relative to velocity and for anything on certain velocity the time would be subjective and objective ,, maybe I am wrong .

[@ClownTrader1]

Time is a causality from the expansion of space. Space-Time. Space is expanding. The time that passes, is a result of that space being expanded. The universe is expanding, therefore time passes.

[@demetricorcovelos1114]

to me time is nothing more than our perception of moving through space

[@richardowensnr6243]

I was asked, what is time, my answer was it's something humans invented to measure the distance between events, and above all, it's always relative...

[@mantistobogganm.d.2971]

Time is a measurement of the earths multiple rotations that we interpret to seconds, minutes, hours, days, weeks, months, years, decades, millennia, so on... Perception of existence is a little different. I've always had a theory of the smaller life forms perceiving existence in a slower rate of "time". If you're around the age of 24 or older, You realize... Life in school took forever and seemed to drag on, couldn't wait for the day to end. The moment you graduate you perceive a faster rate and you want it to slow down to what it use to be and you start to think, "Where did all that time go?". When you're in school, your brain isn't fully developed to the full potential, it is smaller and still growing. So then I think about a Fruit Fly. The Fruit Fly lives for about 30 days, but those 30 days seem like a liiiiifetime... because it perceives existence in a slower fashion. Time exists in the same way that a centimeter or meter exist as a unit of measurement. Perception is a different thing.

[@Andrew-hl9jx]

But isn't time then an artificial thing we created?? How did people decide how long a second was, before having a unit of time? This brings up so.many questions

[@Cmdrlucky8]

Is it possible that time can be an encompassing construct? So as to be neither subjective nor objective but merely a vehicle for which its constituents (Space) can be explained? I ask because it's striking a line can be seen as an infinitely encompassing path of points. Three-dimensional relationship can be a construct for the aggregate of both X & Y coordinates infinitely. The 4th dimension, time, could be an aggregate construct of all its fundamentals?

[@sunsetpalms1923]

If I could put time in a bottle.... I'd sell it to old people.

[@drizzdrizzle4325]

Time is a element.

[@jersn5560]

This guy should have been the nominee for US Secretary of Education, along with Neil de Grasse or Michiu Kaku. I am not a US citizen just my 2 cents

[@im_from_liverpool3293]

I believe Bill answered the question very eloquently and fact based. He describes such an abstract concept with pinpoint precision with regards for what we know for certain. The unknown is what drives curiosity. I challenge any potential viewer to push that frontier. If any viewer has a better answer, please present some evidence. We all win if that is the case. Stay curious.

[@phonotical]

... Duration?

[@orgaicnutproductions]

Think about this. Time could possibly be made up of memories. I do not have very much proof for my theory, but it seems as though we do not have control over our actions. Sometimes it seems as though what I say and do I have no control over. Yes, theoretically I do have control over my actions, but what if in reality everything I will do has already been done. Think about its various timelines, parallel universes? Ect. Time is so complicated that I cannot even dream of ever understanding it. But maybe time has no start and no end. Matter is neither created nor destroyed so maybe that similar idea transcends into the subject of time. Yep that's my theory, thanks for reading and feel free to respond.

[@CarlosGuette]

I do experience that feeling when "coincidences" happen, given the high number of events that have to had happen before, since beginning of my life [I meant existence awareness], to reach that very exact moment in a "completely unrelated" chain of events. Crazy, really, really crazy.

[@bjbittu1]

Since time is infinite (according to your theory) and matter is finite, when we die and this will be all over I mean the death of mankind, since time is infinite could it happen that the structure of atoms that makes us what we are today will be recreated? I mean we would be recreated into the same thing we are now asking the same question on KZbin. Think about it this way there are 2 dice, and you are asked, both die must have 6 on face when rolled and you have given infinite time, wont at some point you will get 6 on each die? The theory is eternal return, popularised by Friedrich Nietzsche, some say it was a thought experiment on how will you live if you are confronted by the fact that you will live the same life infinite times, but same is mentioned in Hindu scripture, it doesn't say that you will live the same life you are living now, but it does say after definite time earth will be destroyed and everything aroud it and it will be recreated and will be destroyed again after definite time and it will continue for eternity.

[@pawoodsman1737]

Time: simply the measurement of the passage of events. There is only now. Time is just a measurement

[@Muhbautz]

Yet time is influenced by speed and gravity. A person on mars would objectively measure time different because gravity is weaker there

[@LeNoir679]

I feel like Time and Entropy are connected. Entropy is obviously impossible without time, so is time possible without Entropy?

[@Smorgasvord]

Where's Danielle from Double Toasted at?

[@whatthefunction9140]

we only have the rate of causality. time is a construct.

[@EwWhoIsTHAT]

"Time" as we try to abstract it into a physical or metaphysical attribute that could be manipulated does not exist. Time is a human-created artificial concept to measure "change". We measure "change" because we as humans are capable of memory, and in turn, observe patterns and anticipate recurrence of patterns. "Time" is a man-made concept and measurement using the movement of celestial objects as a reference point, which we could redefine as measuring radioactive entropy or what not for frankly arbitrarily defined accuracy, but it does not change the fact that "Time" does not exist. All object "change". That is why "Change" can only happen in one direction. You cannot "change back", but rather potentially replicate a previous state.

[@PhantomViperDX]

Time is merely the observation of energy conversion. Energy is always changing as it is not created, every form of energy is constantly changing into another form, forever repeating. Think of the sun using fusion to create heat and light, light being absorbed by plants to create sugars and starches. Even that atomic decay of the atoms in the plastic bottle next to you, every form of energy is being converted to a different form at varying rates. Even how time is measured is an observation of energy conversion, the unwinding of a clock spring, the vibration of quartz, to the literal observation of cesium atoms changing energy states. So I think time should be described as: the observation of the conversion of energy within a defined system.

[@sunstorm4436]

That is correct sir. Time is a construct... an observation of something else. It doesn't really exist in nature. There is only the eternal present, in which energy is converted. I'm disappointed that Bill Nye bullshitted for 4 minutes without making this obvious point.

[@existence.203]

Sun Storm and 46 seconds😂

[@lowkeyotaku2373]

How'd you know a plastic bottle was next to me?

[@perplexedzeus1]

Theirs no way to simplify time beyond the point of just saying "time just is" but I guess you can do that with many other things.

[@thecommentwhisperer4360]

Time is a measurement of the rate of change of matter.

[@matthewg5400]

Still don't think time exists. Just represents how much distance is covered by motion. No movement means no time. But what the hell do I know, I majored in fine arts :D