
How do we measure the speed of light?
Daniel and Kelly’s Extraordinary Universe
00:00
What Is It Screaming?
Early man probably thought light was instantaneous, like you light a stick on fire and immediately the light hits your eyeballs. Every time we see a number in physics, what is it screaming? It's screaming, there's a secret here. This something else to be understood, that in a hundred years, somebody else is going to win a nobel prize for an explanation. You have all the information you need to arrive at that idea. And so it's like a huge screaming clue to me.
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