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2021-01-19: Can We Break the Universe?
- 01:09: ... spaceship will appear to tick more slowly from the point of view of a stationary observer back on the ...
- 02:54: But in the frame of a stationary observer, the ship is just moving ridiculously fast, and doesn’t destroy itself.
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2017-02-02: The Geometry of Causality
- 01:41: ... of this length contraction and time dilation allows both moving and stationary observers to agree on how much older every one looks at the end of the ...
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2016-02-17: Planet X Discovered?? + Challenge Winners!
- 04:48: To understand that, you need to draw lights like photon paths between the moving clock and the stationary observer.
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