two hours ago and I still haven't heard back you know I mean there is a there is this expectation that because uh email can travel at the speed of light that I must be able to travel at that same
- Concept
- speed of light
- Score
- 4 · must · because
- Status
- candidate — not yet promoted to canon
Corpus evidence — top 10 passages
Most-relevant passages from the entire indexed corpus (67,286 paragraph chunks across YouTube transcripts, PubMed, arXiv, archive.org, Stanford Encyclopedia of Philosophy, OpenAlex, and more) ranked by semantic similarity (bge-small-en-v1.5).
- 01 · yt0.738
The question is, "Can you tell if it's you who's responsible for this relative motion, or maybe nothing happened to you and the other train is moving the opposite way?" And the claim of relativity is that you really cannot tell. You can tell there is motion between the two trains that wasn't there before. That's very clear if you look outside but there is no way to tell what actually happened when you were sleeping. Whether you were given the velocity of 200 to the right or the other train was given a velocity of 200 to the left or maybe a combination of the two, you just cannot tell. That's t…
yt/pHfFSQ6pLGU-12-introduction-to-relativity/transcript.txt
- 02 · yt0.733
I expect you to get a speed c/2. But you keep getting c. You go three fourths of the velocity of light; you still get the velocity of light. That is very contrary to what we believe. In fact, that's in violent opposition to this law here. If this V were not a bullet but a light beam, suppose for me traveling at a speed c and you're traveling to the right at speed u, you should get c - u. That's the inevitable consequence of Newtonian physics. And you don't get that. And that was a big problem. So, people tried to fix it up by doing different models of ether, none of which worked. And nobody kn…
yt/pHfFSQ6pLGU-12-introduction-to-relativity/transcript.txt
- 03 · yt0.732
So if if if you're moving with respect to me, I'm I'm you know, I'm sitting here. I'm thinking of myself as being still and you're moving past me at at a uniform speed. If if you're at a uniform speed with respect to me, you're not accelerating, then I will see your clock as going slower. And if you as you approach the speed of light, if you're going near the speed of light, I will see your clock very very close to not moving at all. And if you are going the speed of light, I will see your clock has stopped. But similarly, if if if I'm not accelerating with respect to you. So, and you're looki…
yt/xaeafKPfs1M-the-greatest-discovery-about-reality-the-consciousness-behin/transcript.txt
- 04 · yt0.728
I will go to a new frame of reference,right?" I'll come back to that later, but I cannot resist telling you at least the answer to some of the questions. For example, if this charge is moving at a speed v and I'm completely stymied by this velocity, because I don't know how to deal with it. There's one way to deal with it, which is to get on a train that goes at the same velocity as this charge. Then this charge is at rest and if it still bends towards the wire, which it will--you agree that if you go on a moving train, a charge attracted to the wire will continue to be attracted to the wire. …
yt/HXRjSfre6kc-8-circuits-and-magnetism-i/transcript.txt
- 05 · yt0.723
In real life, you find it works for both of these and either of us can maintain we are not moving. So now, you've got to fast forward to about 300 years. This goes on, no problem with this principle of relativity and 300 years later, people have discovered electricity and magnetism and electromagnetism and electromagnetic waves, which they identify as light. And then, it was discovered that what you and I call light is just electric and magnetic fields traveling in space. You don't have to know what electro-magnetic fields are right now. They are some measurable phenomenon. They are like waves…
yt/pHfFSQ6pLGU-12-introduction-to-relativity/transcript.txt
- 06 · yt0.723
Kip: But if I fall into the black hole or I ride on the surface of a star that's shrinking to form a black hole and you're outside, time for me, as you see time, my time slowing to a halt, so you see me going to slow motion then freeze right at the horizon because my time is halted compared to the rate of flow of your time. On the other hand from my point of view, time just flows willy-nilly forward, and I go through the horizon, and I keep on going. But once I'm inside the horizon, time flows in what you would…
yt/PTs--eFrzGo-greatest-mysteries-of-gravity-brian-greene-kip-thorne-world-/transcript.txt
- 07 · yt0.722
green there can't prove that he is at rest another observer can claim that he isn't he's moving he's moving at a velocity V therefore his clocks are no longer in sync that is reciprocity because it can go vice versa if the green can say no mr.
yt/Qz_uYO6MvJ4-bergson-s-holographic-theory-25-pribram-bohm-short-revisit/transcript.txt
- 08 · yt0.721
Of course, now, if the two, in reality, if the two trains were at rest--Let's imagine my train got accelerated. So, during the time it was accelerated, I would know, but if I was sleeping at the time, I don't know and when I wake up and the acceleration is gone and the velocity is constant, that's when I say, "I just cannot tell." All right. Now, let's show once and for all that the laws of Newton are not going to be modified. So, you find the laws of Newton before you go to sleep, you wake up, you find them again, you'll get the same laws; that's the claim. I hope you understand that all the …
yt/pHfFSQ6pLGU-12-introduction-to-relativity/transcript.txt
- 09 · yt0.720
We expect the speed to be c - V because part of the speed is neutralized because you are going along with the waves. You'll see a slower velocity. So, Mr. Michelson and his assistant Morley--they did the experiment. And they got the answer equal to c. What does that mean? Student: The speed of light [inaudible] Professor Ramamurti Shankar: No, no, but you cannot jump to that right now. If you are following Newtonian physics, your expectation is, it should be c - V. Yes? Student: It means that there is no ether. Professor Ramamurti Shankar: Well, that's--not so fast, but it certainly means the …
yt/pHfFSQ6pLGU-12-introduction-to-relativity/transcript.txt
- 10 · yt0.718
invited the t minus T provided that one in reverse the sense of the magnetic field will reverse the charge in Manhattan and so on suppose to something that confused David Albert which is the famous article saying that electromagnetism is not time reversal invariant and he standing in that and the reason is that if you take en be an evolving time and you take the same es MB annual backward they don't satisfy the max equation why because you have to switch B minus B for the special access fish but that's not what you're interested in exactly what if there is no resistance well fine even only for…
yt/T2axJ_XCewc-carlo-rovelli-current-quantum-gravity-theories-experimental-/transcript.txt
Curation checklist
- ☐ Verify excerpt against source recording
- ☐ Tag tier (axiom · law · principle · primary derivation · observation)
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