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We all travel through space time at speed of light. But, what does it really mean? How does it explain the consequences of special relativity — time dilation, length contraction, relativity of simultaneity, and more.
Chapters:
00:00 Intro.
01:25 A 2D analogy.
04:15 How to validate?
07:08 How Pythagorus helps.
08:40 How to piece a website (Ad)
10:15 Speed in 4D spacetime.
13:30 Why length contracts along motion.
16:30 Simultaneity \& clock desynchronisation.
18:17 Revising the Twin’s ‘paradox’
19:36 Why 3 spacial dimensions \& 1 time dimension?
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