Science, Religion, and the Big Bang

Physicists used to think that the universe had existed forever, unchangingly, because that’s what their observations of the night sky

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Relative Motion and Inertial Reference Frames

{rofessor Dave here, let’s talk about relative motion. By now we understand that physics is concerned with the motion of

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We FINALLY Know What a Black Hole Looks Like

Here it is. The moment you’ve all been waiting for. “We’re delighted to be able to report to you today

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Will the Universe Expand Forever? | Space Time | PBS Digital Studios

How will this universe end? This may be the one prediction of general relativity that we never directly verify until,

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Time Is But a Stubborn Illusion – Sneak Peek | Genius

What is time? A deceptively simple question, yet it is the key to understanding relativity. It is sort of the

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Einstein’s General Theory of Relativity | Lecture 1

[music playing] This program is brought to you by Stanford University. Please visit us at Stanford.edu. Leonard Susskind: Gravity. Gravity

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Wormholes Explained – Breaking Spacetime

If you saw a wormhole in reality, it would appear round, spherical, a bit like a black hole. Light from

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