▶youtube SciencePhysics first seen 7 d ago, last 5 d ago, peak #10
Why Light Travels at Its Famous Speed
Original: Where Does Light Actually Get Its Speed From (Its Impossible!)
A popular physics explainer is drawing large audiences by asking why light moves at roughly 299,792 kilometres per second, arguing the answer is stranger than most people expect. The discussion touches on Maxwell's equations, the permittivity and permeability of vacuum, and why the speed of light acts as a universal constant, with viewers debating whether the value is truly 'impossible' to explain.
Why now: Physics explainers about the fundamental constants of nature reliably attract curiosity and debate among science-minded audiences.
Evidence
- Where Does Light Actually Get Its Speed From (Its Impossible!) · Carter Studios - Physics · 249.2K
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