Why would'nt this work?
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Glass easily bends
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Sound is air vibration
Sound is not exclusive to air, it can be generalized to vibrations in any media. Whale song and dolphin echolocation are certainly sounds, and we're almost always talking about them propagating in water rather than air.
which has to travel from one place to the next
No, that isn't how sound works. In air this would be a description of wind, not sound.
just transfer kinetic energy to the adjacenct atom
This is actually a good description of how sound waves propagate.
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Perfectly rigid sticks don't exist.
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I would liken it to a long freight train starting to move. Once the front starts moving, it will still be a minute before the back starts moving. The space between the train couplings is like the spring effect between atoms, or something.
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You are correct, I should have said there was an atomic clock out the window that the walker looked out at.
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In a "perfectly rigid" stick (a fictional invention), the speed of sound is the speed of light.
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That's a great guess when you try to answer the problem with traditional (Newtonian) physics. However, space and time do not behave in a way we would expect when we go nearly at light speed. So Newtonian laws do not apply in the same sense anymore.
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That's where time dilation will kick in
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Thank you for sharing--that was a really neat demonstration, and I enjoyed seeing all the troubleshooting as well. Will definitely be subscribing and checking out more of their videos!
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as a software engineer that watches too much youtube, this is the first time it’s clicked for me:
If the train moves at the speed of light, then nothing inside it will move because time will stop.
the pieces of information:
- time moves slower the faster you travel, and
- nothing can travel faster than the speed of light
have never been concretely connected in my head, but this makes a lot of sense now: time moves slower (for you) the faster you travel BECAUSE that’s the thing that stops you from moving faster than the speed of light… AND that holds true from all perspectives because it’s like… a trade-off?
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Have you spoken to your healthcare provider about Viagra^tm^? It may be able to help with your issue. (Please seek immediate medical help with an erection lasting more than 4 hours).
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Dang there goes my patent
