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2017-01-19: The Phantom Singularity

  • 00:16: [MUSIC PLAYING] Isaac Newton's universal law of gravitation was an incredible insight when he figured it out in the late 1600s.

2016-04-13: Will the Universe Expand Forever?

  • 02:58: Now this escape velocity comes right out of Newton's universal law of gravitation, which itself can be derived from the Einstein equations.

2016-03-16: Why is the Earth Round and the Milky Way Flat?

  • 02:23: ... Universal Law of Gravitation tells us that the strength of gravity drops off with the ...
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