Why can’t anything travel faster than light? Is it just a rule… or a deep truth about reality itself?
In this mind-expanding lecture, Richard Feynman explains why the speed of light is the ultimate cosmic limit—not because of technology, but because of how space, time, energy, and matter fundamentally work. With his legendary clarity and humor, Feynman reveals how light defines causality, motion, and even the structure of the universe.
This talk isn’t about memorizing formulas—it’s about understanding reality.
Watch till the end, because once you truly grasp this idea, physics will never look the same again.
⏱️ Timestamps
⏱️ 00:00 – The question that changed physics
⚡ 01:42 – What makes light different from everything else
🧭 03:58 – Motion, frames of reference, and observers
🕰️ 06:21 – Time slows down (and why that’s real)
📏 09:10 – Space contracts at high speed
💡 11:47 – Energy, mass, and Einstein’s insight
🚫 14:32 – Why faster-than-light breaks reality
🌌 17:02 – What light speed tells us about the universe
🎓 19:15 – Feynman’s final insight
🔑 Keywords
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🔥 Hashtags
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⚠️ Disclaimer
This video is intended for educational and inspirational purposes only. It is based on public lectures and interpretations of Richard Feynman’s teachings. This content does not replace formal academic study in physics.
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