Veritasium
Why Light Has a Speed Limit
1h 42m → 1 min read
Derek walks through why the speed of light is not just a measurement quirk — it is the conversion rate between space and time. The video connects Maxwell, Einstein, and a surprisingly intuitive spacetime diagram.
- c is a conversion factor between space and time, not just a speed.
- Nothing with mass can reach it because energy and time dilation explode.
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