"Feynman EXPLAINS Why Light Doesn't Move"

Описание: #physics #relativity #specialrelativity #light #speedoflight

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🧠 Timestamps:
0:00 — Hook: What would it mean to move with light?
1:25 — Ordinary motion: why “riding along” usually works
3:05 — Maxwell’s surprise: a fixed speed appears in the equations
4:40 — Aether idea + Michelson–Morley: the speed won’t change
6:40 — The key shift: why spacetime replaces old bookkeeping
8:35 — Spacetime interval: what everyone agrees on
10:20 — Lightlike paths: why the interval becomes zero
12:10 — Proper time: why light has no “traveler clock”
13:55 — Why the photon rest frame is not allowed (gamma blows up)
15:40 — Light clock thought experiment: time dilation built from c
17:55 — Part 2 bridge: frequency, energy, and “oscillation” without photon time
19:10 — Frequency is what observers measure (counting peaks with your clock)
20:45 — Energy depends on observer too: the dot-product idea
22:10 — Phase as a scalar: why Doppler shift is inevitable
23:50 — Coordinate speed vs local speed (gravity and coordinates)
25:10 — Final synthesis: what “light does not move” really means
26:00 — End question to keep thinking

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