Ep 25: Ch 11 "The Multiverse" Part 3
ToKCast
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The Inverse Square Law of Light
In inverse square law, there will never come a point where the lightdi pears completely. A thing above the atmosphere at right angles to the sun would have an intensity of 16 hundred wats. But if you are twice the distance away from the sun, then the square of that is four. And so this is what the theory of light is all about.
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