XD

Underrated comment lol

Oh, same here

It is, for bank, a convenient model to embrace. You'd be a banker, you'd do the same ! Now , of course, you don't believe Einstein really had any clue what was the speed of light. The number just fell into his hat. Actually Morley and Michaelson were trying in 1887 to measure the speed of light. But the 'ether" screwed up everything. Einstein just took M&M experiment result and declared that "ether" does not exist, and that froze everything in place including the speed of light.

LOL my bank is involved in this inverse of equities and is complicit as far as I'm concerned....I speak into existence and impose the maximum penalty for their impetulance with the application of the converse of consequence to the algorithms restricting my transactions and unleash the acholaids of irreverence to expand and proliferate the funds available to be unlimited everyday and to exponentially grow... please and thank you :)

Aaand subscribed

First

13 seconds ago

hey Dustin!

Use quantum entanglement

No information is exchanged when entangled photons decohere.

@@MagruderSpoots what about before they decohere? There is information transmitted while entangled...

@@SpartanFilms1997 None. Entangled particles can't be used for communication.

What if we get 3 timer-clocks that have an internal mechanism that ticks every second, with extreme accuracy. They start synchronized, but it doesn't matter if they get slightly desinchronized. as long as the mechanism inside of all 3 keep independently cycling exactly every second We move two of them 1km on each side, and leave one of the center. The ones on the sides are programmed to start counting passed time after a given period of time (an hour?). The one of the center is programmed to emit a light beam a few milliseconds before that same amount of time (enough to cover for distance but still trigger first) and then and then keeps cycling every second. The clocks at the two sides start counting time every second after that and stop every time they receive a light beam/signal, the timer never resets, keeps starting and stopping, building up cumulative delay. If there was any desyncrhonization due to moving the clocks it doesn't matter, because that will only count once, while the repeated cycle will continue adding up and stacking possible delays caused by possibly different speed of lights. We then move the clocks back together and confront the amount of total delay built up. The difference caused by desyncrhonization will count once, but the the difference caused by possible different speed of light will be cumulative, so we can still spot differences...? I don't genuinely believe i solved a century-old problem in 10 minutes, but can someone help me undertand why this wouldn't work?

⁠@@SpartanFilms1997when two particles decohere, if you only have one, you have no way of knowing if or when it decohered.

What they showed is that if there is an ether the motion of the earth through the ether has no effect on the speed of light.

It's not only ether that can slow down light. We are talking about symmetry and quantum mechanics. There is weird stuff happening on small scales. Maybe the "vaccum" itself has this property of favouring one direction. It's possible.

No. That experiment proved that the properties of the ether are not what scientists had expected. Subsequent experiments proved that the ether does exist, but because their assumptions about it were so incorrect they gave it a new name, the "Higgs Field", to avoid the embarrassment of admitting they were wrong.

That's..... actually quite brilliant 😐

Underrated comment!

@@sinpi314 yes it is

Lmao 🤣😂🤣 You made me laugh so much 😂😂😂

WOW

Even after watching the video, I have a few questions. What terrifies me the most about the questions, isn't that I think that they'll find a way to solve the one way speed of light; but the fact that if I am thinking about these questions, someone else likely has already, and there is a reason these questions don't answer it, and when I try thinking of the reasons, it makes the whole concept seem even more bizarre than it already is. For instance, we are trying to measure the speed of light in a vacuum. But we could also measure the speed of light in a medium; intuitively there should be a relation between them. But the intuition must be wrong right? Or at least unverifiable. Which means even with an instantaneous vacuum speed of light one way, and a 0.5c vacuum speed of light the other way, there is some very strong asymmetrical physics going on when light goes through a medium. Even if I have a medium that slows light down to a crawl, there has to be a reason it doesn't show the asymmetricity in the speed of light. There also has to be a problem with colliding objects at relativistic speeds, due to the vastly changed special relativity formula. Two objects with the same insane kinetic energy relative to their stationary mass, can be travelling at two vastly different speeds depending on which direction they are traveling. One could be moving near instantaneously, while the other can be moving just below half c. Intuitively there must be some way you could use this information to solve the problem; but the intuition must be wrong, otherwise it wouldn't be an open ended problem. Probably the reason things act so asymmetrically weird if the speed of light in a vacuum is asymmetric, is because that isn't "just the speed of light", it is the speed of causality. It means cause and effect acts different speeds in different directions; and there is no experiment you can do that can get past the limitations of cause and effect. All physics basically goes bonkers such that the asymmetrical speeds will always work out. ---------------------------------------------- Anyways, other than my mind breaking, I do agree that the end of the video is very intriguing. A solution to figuring out if the speed of causality is asymmetrical or not, could exist in a unifying theory. So the mind breaking isn't all for not. Or perhaps the concept turns out to be pointless. As what does it mean if the speed of causality is different in two different directions? What is differences in time and space even mean if causality is different in two directions, aren't time and space dependent on causality. Perhaps the entire paradox of asymmetric speed of light is dependent on our own ignorantly rigid view of space and time? And thus unifying theory will have nothing to do with answering our fallacy of a question? Ugh, my head. Anyways, I can always find solace in that Hexagons are the bestagons.

Hexagon = Bestagon

I made a separate comment, but no one replied so ...here it goes: "I honestly have no idea what I am talking about, but ... can you use quantum entanglement to measure the speed of light somehow? The entangled particles are "already synced", so "hit" the one "far away" with "something" that changes it's state and observe it/measure the time on the one "near" you... and do the same speed of light test from/in all "directions", then just compare the times to see if it's the same. Only objection I could find to this not working is that I have no idea what breaks entanglement, so stuff like lasers, photons, whatever ... might not break it. In rest, it seems like a good idea. Obviously I am wrong, or else it would of been tried by now, but I would really like an answer for this, if someone could educate me. Like I said I have no idea what I am talking about, so don't jump me. :)"

Okay, I have a question is the solution of 10:00 in multiple ways correct to verify de one-way speed of light okay hear me out. 1. If you do this and film both the clocks you can see which one turned on the fastest. Or which one is further. Once again you need to time it perfectly by turning on the cameras at the same time. But this one could be possible 2. If you move the middle clock to the left or the right you would get another result out of it if the speed of the light is different if not you have done it. To this correct you nee to set the clock on both sides at 300 meters away from the middle I hope my English wasn’t that bad and that you understood my brain thoughts

Think one more time: "are distances AB and BA the same or they are measured in terms of light traveling time?" and you will get your sanity back. You can easily simulate the entire special relativity universe defining your (name A) causal boundary as now. It looks like "c0 towards you is \inf", and "c1 away from you is c/2" and for every BA synchronization event all time travel distances pointing to you are just zero, and still (c0 dt0)^2 = dr^2 = (c1 dt1)^2 the metric invariant your coordinates must obey. This kind of "absolute" distance independent from your speed of light choice came from you actually postulated the object B being at the same location for AB and BA synchronization events but how can you define "the same point" within the experiment? Observer from Pluto will surely note your signals were sent and received at different points of space. And here comes the answer: how can you measure any kind of "directional" speed of light if you can not provide the same distances in different directions?

lol this is a rlly smart idea, i wonder what an expert would say to this

If speed of light is different in directions, time dialation equation would be different tho so how would you find c?

They both never really were the same after the "Is anything Random?" collab.

Or were they?

*vibrophone intensifies*

what about quantum entangle ment to start the two clocks on both sides

@Windigo Jones that is why you watch flat earth videos lol

Hahaha exactly!

You look like vsauce but mexican

Lol

xD

VSalsa

+Science Revolution I see but the whole religion thing is better than science is defunct

Thing this deep makes me question the existence of this very video. Really.

@Science Revolution , You list SO many things which are not true here that I won't bother to point them out. You might as well be traveling instantaneously.

@Science Revolution If you write an article and prove that mathematically, you could actually become a reputed scientist. Go ahead and do that. That's the beauty of science, all scientist have that in their minds, a sentence that says: "we could be wrong, and we probably are". We have like 3 centuries of science and look around you, look what they've already done! 300 hundred years is nothing compared to the time that our species is in the planet and absolutely nothing compared to the age of Earth itself. Stop comparing Science to Religions, they have nothing to do with each other.

Guys don't reply to that revolution guy,he/she literally mass spams this exact paragraph on all science related channel nowadays along with bunch of his flat earther friends, Well he's/she's literally questioning the very science which is allowing him/her to watch this video on his/her device, it's like if Elon Musk's son starts saying neuralink is fake. I was watching a video where a psychiatrist explains why these kinda people exists who claim the earth that it's flat or all the theories are bs , it's like they want to feel special as if they possess a knowledge which is hidden from the general public,it's like the film 2012 where only few people knew about what will happen actually in the start ,these want to get a feeling like that forgetting the difference between real life and Christopher Nolan's fiction scriptures , however this is also a state of mental illness which must be treated and not like back in 1700s when if someone started seeing ghosts , people started excorism or drowned him/her in the water lol

Lol

If you turn right you go backwards.

It's not an ambi-turner!

Douglas Adams Likes this comment!!!

NASCAR is going to have to build bigger tracks...

BA cannot be measured. Clock starting at a recieves the signal to be stopped either at lightspeed, not instantly, or it's instant with lightspeed being half

He explains in the video that you could not synchronize the clocks in A and B properly if c is different in each direction as they would experience different time dilation even if they were move at the same speed

i still believe that 1 is prime

@@gasun1274 0 is odd

Definitely would have gotten your word count up

0 is positive

Lets be honest or make a bet... when the time comes, it will be proven that the speed of light is same for both directions, its pretty obvious. Right now "Veritasium" got the free hall pass for making wild assumptions since speed of light can't be measured with synced clocks.

@Steven Moore Since I am the moving observer, it's my timepiece that runs slower. Only when traffic is unusually light can these relativistic effects be mitigated. It's just physics.

That’s what I told my boss for getting late at work, and I got fired...

Would like but your count fits into 8 bits exactly, don't wanna be the one to change that :) *Edit* Damn someone changed it, oh well, added the like now it no longer fits into a perfect 0xFF

@@markm8188 ...but are you...or are you the observed standing still...

I think about that all the time, how two things can’t be happening at the same time, EXCEPT for two things touching each other.

Also noticed VSause referenceh

Here kzfaq.info/get/bejne/mrenZ9pqvM28k4U.html

this is depressing here the right url kzfaq.info/get/bejne/rttzgppeqbKnkXU.html

Moon Men by Jake Chudnow (Vsauce theme) - kzfaq.info/get/bejne/irRiaMqZ0MzLgXU.html

kzfaq.info/get/bejne/j82ZrLp43rDHeZc.html

Have a rocket exactly half way between earth and Mars. The ship will send one message to earth and the other the Mars and then instantly back to earth. You would expect that the message that was sent to Mars first would take exactly three times as long to reach earth as the one sent straight there. If this does happen then the speed of light is the same in both directions.#big🧠

@@jontisaurusrex9851 In order to measure that, the clocks on the ship and on earth would have to be perfectly synchronized. How are you going to do that?

And that makes it an even better day.

@@Anton-cv2ti Maybe one way would be to accurately calculate at what time exactly the ship would be in a specific place between mars and earth and when the ship knows it's in the correct spot, just set the time to the predetermined on earth time, then proceed with the experiment suggested above.

Rotate a tube or a some type of gear with slits on opposite sides and have a detector to see if light made it through. At a certain velocity of rotation light won't be able to traverse it. That speed and however large the slit is (the distance it would need to rotate to stop the light from making it through) gives you the time. Use that time and distance between the slits to get the speed of light

"You're gonna something weird" This sentence makes me confused and or scared.

So is the speed of shadow the same as the speed of light?

Quay

@@Chadwicktrumpet No

@@Kristian-ql8zw but why is it not that speed. That is the question

Indeed

True

Very much so

Why are you watching this on the same day I am

@@autoclockk the comment man works in mysterious ways

For me it seems you replaced second clock with gate, but the problem with synchronizing them still occurs

​@@szychaqable What if a clock is triggered/starts and stops by a light with a known distance. first light travels to start the clock then, after a known interval, 2nd light travels again to stop the clock. The difference between the interval and the clock is the one way speed of light?

Lol

Hahaha

I know this is a witty joke but there's a video about this kinda time where u feel vs time that is real in vsauce

The answer is easy, if u wanna measure the time delay in one direction, u send an impulse between this two clock's in each of this two directions and u will see if one starts later .... Quick maths

@@babylebron6119 I'll take it you didnt watch the whole video when you wrote this. He explains that the problem is that it remains unknown if light travels the same speed in all directions.

That's the way to measure the one-way speed of light. Send babe to Mars.

@@majidaskari8306 it doesn't matter; no matter if light is same or different in all directions, it will take 20 mins.

I don't think the difference can be felt/measured through humanly senses. That bmw guy is flashing before it turns green.

@@yogi30303 that is the joke.

@@glinchdk yeah I guess among all the serious comments I took this seriously too.

@@yogi30303 r/swooosh

@@Majesticbro r/slamdunk

I kinda expect there's a theme song... But left disappointed

*vibrophone intensifies*

Is he even alive

Vsauce must have run out of topics. Loved his channel.

yes what a garbage clickbait channel this has become....

As far as I can tell this should work.

The problem then would be that you would have to fire both the sources at the same time, which would not be possible due to having 2 clocks be synchronized and separated as he stated in the video

You don't need to measure the speed of light in every direction, in order to check if it travels with the same speed in every direction. There is a method to prove that, you can check the Michelson-Morley experiment in which they were trying to prove that the "aether" exists. They ended up proving that the "aether" doesn't exist and that the speed of light is the same in every direction. They developed an instrument that was named after Michelson, called the Michelson interferometer. I really love most of his videos and I am a huge fan, but this video is straight misinformation. What @veritasium is saying in this video is simply wrong. It's shocking to me, given the reputation of his channel. :/

Isnt it the best 'lack of explanation' of 'WHEN WILL THEN BE NOW'? **i really like your point

Soon.

Get two clocks that are 100 meters away from each other. Start them at the same time. Shoot a light across from one clock to the other. When the light reaches the first clock it will stop. When the light reaches the second clock it will stop. You have 2 times and you subtract them to find one. And convert to the larger scale

@@jordanammons4851 How do you start them at the same time?

@@jordanammons4851 2:07

yea

If the pulse to start the second clock us traveling at the speed of light(2:27), then why can't you just subtract the number of seconds the second clock has been running for from the first? I feel like this is a stupid question and I'm missing something...

I know, right?! At 4:05 I thought I was watching a Vsauce video. lol

@@mahirshyam4127 because if the speed of light is potentially different in both directions, then how could they know how much to subtract it by? The experiment would be trying to measure the speed of light, but you’d need to know the speed of light in order to know how much to subtract the second clock by. For example, imagine trying to solve for the length of the hypotenuse of a right triangle, but the only information you’re given is the length of the bottom leg. Asking why you can’t just subtract the speed of light from the clocks to get the answer would be kind of like saying “why not use the length of the bottom leg and *the length of the hypotenuse* to find the other leg? Then from there, just use this other leg to find *the length of the hypotenuse.”* Hopefully this example makes sense, I’m not the best at explaining things.

yeahhhh

yeah xD also with the gravity video

They probably don't even have the intelligence to understand what you are telling them so it's easier for their little brains to consider you crazy than to accept that they are stupid.

Toooo true

This is just him wanting to think is so smart conjecturing that c is different one way than the other

@@r3kpwner303 Not true. People have different things to focus. No one has the capability to be smart in every thing. Debunk this: There is no way to measure a people's intelligence.

kzfaq.info/get/bejne/pLh3dr2ZmqechGg.html

We saw past of star coz it take millions of year to reach star's light to earth

@@ABHEEeeee Watch the video

@@ABHEEeeee how do you know? Are you saying you can prove the return trip isn't instantaneous?

Have a rocket exactly half way between earth and Mars. The ship will send one message to earth and the other the Mars and then instantly back to earth. You would expect that the message that was sent to Mars first would take exactly three times as long to reach earth as the one sent straight there. If this does happen then the speed of light is the same in both directions.#big🧠

yeah, that was hilarious.

That got me good when he realized what was about to come up XD

Hey, just to let you know someone else in this comment section named Nihab Khan copied your exact comment word for word soon after you posted. Control + F to find the bastard. Go give him hell lmao.

I’m glad someone else thought this😂

IKR

Or is it,,😂😂

yeah my brain stopped working. I long for the days of before I saw this video

Why didn't he queue the song?! haha

@@KingR787 He'd need a colab and permission to use the song =)

It's a shame Vsauce doesn't really do these types of videos anymore

Us to aliens: "We measure a meter as the distance a light takes to travel in 1/299 792 458 seconds" Aliens: "Which way monkeys?"

Ok

SEND THE REINFORCEMENTS THIS GUY IS LOW ON LIKES

Also there were two nobel prizes awarded for breaking the assumption scientists had about the charge parity and time simmetries so this wouldn't be a first but would probably be one of the best

You could just move both clocks at the same speed for half a mile then measure the exact time the light was turned on, and then the exact time it reached the destination and do the math

i meant move them In opposite directions

I thought this said witches... Happy Halloween!

I heard that music start...

Im your 69th like

Agreed - thought this felt like a Vsauce video the whole time.

It is easy - set 2 sensors that send pulse when light passes thru them to perpendicular single clock, so there is no need for synchronization. Path from each sensor to clock and path direction should be same, so delay betwedn pulses will express exzctly time that took light to travel from first sensor to second - that's it, you will measure one direction light speed. Can make a such measurment in several dirdctions just to verify that result is same

you don't need to know when exactly they send it - you just need to measure delay between 2 pulses. Since each sensor sends its pulse in same direction for same distance , so time of travel of each pulse to clock will be same and delay measured by clock will express exactly time that took light to travel from sensor to sensor

That moment led me to evaluate my whole existence on whether I could share something interesting enough to impress Destin that much.

You still synchronize the clocks using the speed of light, which was responded to in the video. You can't do that.

Have a big clock display of a super accurate clock suspended on a roof or tower. Aim two cameras at this display. Let the clock run, its start time doesn.t matter. Have the first camera triggered instantly, the second camera triggered by a beam of light activated the same time as the first camera. Compare the photos to see yhe time difference. Depending on how powerful the camera, depends on how far away you could feasibly place the static clock and second camera

@@Raythe But how both cameras will activate in the same time?

@@Raythe but because the speed of light is different for different directions, two cameras will see differently delayed images so that the time difference you see in the images will be c.

haven’t seen the video yet, but based off psychedelic experience i know exactly what you mean

@@vast5853 could you explain ?

Simultaneity*

Now when i do simultaneous equations, i do the calculation for one, and i instantly get the other one.

This is an awesome, very thought inducing video. A follow up video on what could be causing this potential asymmetry would be fascinating as well. However the centered clock synchronizer at 9:50 doesn't exactly equate to the GPS example he introduces next because in the first example, the A/B clocks agree (correctly) that they are stationary relative to the other. In GPS, the clocks are in relative motion. This creates a larger problem when trying to keep the satellite clocks running at the same "rate" as the ground clocks. They in fact have to run at the same ongoing rate for the system to function accurately but this (like it or not) is in contradiction with special relativity. I cover this in my twin paradox video.

No gravity is constant in every where

Veritasium, Derek here...

*Vsauce music starts playing..*

**Camera zooms to michael**

Rip vsauce

@@debo325 is michael dead????

Lol

But the aliens can't know what a monkey is and they probably won't be able to speak English (I know it is just a joke)

@@shivannapv4262 nasa would like to hire you

@@omniyambot9876 why (I still know its a joke)

@@shivannapv4262 because biden is gonna be the new president😄😄😄😄

Anything to churn out another vid, my friend, just anything......

..or is he?

Hey Veritasium, Derek here

@Alexis Degryse If the light from the nuke has reached us then it already happened an hour ago. (Not sure what you mean by an ‘hour behind’)

Actually this argument has held up in court. Google it, it’s pretty awesome.

@@epicvillain8308 I tried to but couldn't find it. Mind sharing?

@@epicvillain8308 you are lying

@@lilsabin 🤣

@@epicvillain8308 No but the dopler effect has, even though it works in the driver's favor. Far as I know this argument does not work anymore because of that factor (I just drive a truck though 😅).

They couldn’t care less about figuring stuff out. All of these stupid ideas are absolutely incorrect, and have been put to grave with actual experiments over 100 years ago All they care about is showing their sponsors how many people watch their anti scientific horseshit Go buy some kiwico and support the huckster

@Zach Comstock me and 11K other people who actually studied Physics The rest of you should go buy kiwico

@@MarchelloMastrayani I'm actually interested in reading the experiment. Do you have any reference to papers that I could follow through?

@@MusicNewb absolutely, there were two brilliant scientists who set out to measure the difference of the speed of light in different directions over 100 years ago. Their names were Michelson and Morley and if you search “Michelson-Morley experiment” you will find many articles because what they have measured was an important stepping stone in the history of Physics

@@ENikolaev huh

Lmao

@@themostwanted774 was looking for this kind of comment, ty

We* wanted

Where does the quotation end?

I am experiencing 299,792,458 meters of life every second, and no one else gets to experience it from my perspective. I dunno about you, but I'd call that relatively beautiful:)

I think i cracked the code: A lazers shoots a beam of light in 2 opposit dirrections, on each side you have a thing that starts moving towards the lazer at a set speed for example(100m/h). if the speed of light is different in both dirrections 1 of the 2 things will reccieve the light earlier wich makes it start earlier wich result in one of the 2 things ariving faster than the other. It could be that im wrong if thats the case please tell me what i did wrong.

@@korneelverbeke9746 You would probably run into the same issue of different amounts of time dilation in each direction as he mentioned in the video, causing the two clocks to become desynchronized.

@@Hahalol663 I think @Korneel is right because he is shooting two "beams". Time dilation can not affect light itself. Light does not have mass.

You're tearing me apart, expansion of the universe!

"Oh, hi Mark. What did you have for dinner last night? Potatoes!"

"So, how's your research life?"

ha ha ha what a story Mark.

What if the realization happens before the door shuts, but too late to stop it?

@@davidpowers746 We are talking reverse space time continuum. Way past my realm of comprehension.

@@treeguyable The physics isn't ripe yet.

Or perhaps 15 years because she told you she was 18.

The onosecond

What is light? This feather is light. Feathers are used by birds to fly. *Flips you the bird* But what about this bird? Why is this called "the bird"?

@@MatthewHughes811 accurate

Hey guys Micheal here

Thief

@@MatthewHughes811 lol this is gold hahaha

*Vsauce music starts*

g, I'm not sure...

correct until proven wrong :D

Or irrelevant until proven right. So prove it!

@@lexxfirecore123 Nope, not how physics works. Not how *any* of this works.

Photos dont experience time.

@@rebelquadronfpv1065 it was a joke

Heyyyy vSauce, Michael here

Its istantaneous because it doesnt carry information (so it could go above c)

Hey Michael, vsauce here

@@giacomogroppi5768 No, the shadow is not instantaneous. The light that passed the object before the rest is blocked will still be visible until the last unblocked light reaches the surface of the observation.

@@ozciva but it’s still the same thing... how do you measure the speed of the shadow accurately?

Time will dilate for the clocks as they rotate, and they will dilate by the vector speed of light.

I understood that reference

This is exactly what I was thinking. I'm curious if Derek has an explanation as to why we still observe distant galaxies the same way in every direction if lightspeed would vary based on direction?

The notion of instantaneous light speed breaks all of physics, unlike as is reported in this video. SR and maybe even GR would remain the same, but QM would explode instantaneously. You have to realize c is better understood as the rate of causality, not just the upper limit for relative object motion, let alone the ‘speed of light’. Much more likely then, if an asymmetry exists, it is a very subtle one, otherwise you’d run into CPT violations, and also have to extinguish the conservation of linear momentum - which itself predicates all other conservations.

It's travelling one way to us though isn't it?

@@joshandromidas The thing is, that if lightspeed fluctuates depending on which direction it travels, we'll still see different age of galaxies, because of the difference in speed, so it'll look the same as if lightspeed is constant.

So wouldn't your comment then prove that there is no direction in which light moves instantaneously? Also, considering the uniformity of the cosmic microwave background, wouldn't that show that the speed of light is indeed isotropic? Any directionality of the speed of light would then show in the CMB, right?

yup

"From" the earth or "To" the earth - which is the slower lightspeed direction?

Has that got to do with his physics project?

speed = distance/time refresh rate = 1/time

YES LOL

I haven’t got to the end yet but can you use some kind of quantum entanglement trigger in the future.

Are we living in a simulator?😢

Fr

Welp carry on

like whats even the point of watching

@@av8077 To understand why ig I mean, if I as panicking on a way to save my loved one and the doctors outright told me it's impossible, that would not bring me any closure or explanation to the reason. So in the same way we ask why and we get the answer being impossibility, we aren't brought closure and explanation on a major physics study. Now wooosh me :)

@@Ins1gn1f1c4nt not r/Woooosh