
20220323: Where Is The Center of The Universe?
 03:04: General relativity can be used to calculate the spacetime curvature produced by the Earth or the Sun to determine their gravitational effects.


20220127: How Does Gravity Escape A Black Hole?
 01:55: When you use those equations to calculate the speed of various gravitational effects, they also turn out to be the speed of light.


20210224: Does Time Cause Gravity?
 10:56: ... inflation itâ€™s believed that quantum gravitational effects would have been very important, so if we can get any type of signal from ...


20180920: Quantum Gravity and the Hardest Problem in Physics
 04:38: ... that approach completely fails when you have strong gravitational effects on the smaller scales of space and time, like the central singularity of ...
 10:46: When you have strong gravitational effects on the quantum scale, the selfenergy corrections blow up to infinity.


20180905: The Black Hole Entropy Enigma
 00:53: Also, we've seen them in their gravitational effects on their surrounding space and in the gravitational waves caused when they merge.


20150819: Do Events Inside Black Holes Happen?
 13:33: ... are gravitational effects from the Sun and Moon that do the same thing, but they're highly, highly ...


20150702: Can a Circle Be a Straight Line?
 01:57: We'll end up seeing that all the supposedly gravitational effects on motion can be accounted for just by the geometry of spacetime.
