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FULL EPISODES (200)
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S6 E26: How Do We Know What Stars Are Made Of?Pin-pricks in the celestial sphere, through which shines the light of heaven? Or ...Pin-pricks in the celestial sphere, through which shines the light of heaven? Or gods and heroes looking down from their constellations? Or lights kindled above middle earth by Varda Elbereth and ... -
S6 E17: Does Gravity Require Extra Dimensions?It’s been 120 years since Henry Cavendish measured the gravitational constant ...It’s been 120 years since Henry Cavendish measured the gravitational constant with a pair of lead balls suspended by a wire. The fundamental nature of gravity still eludes our best minds - but those ... -
S6 E16: Mapping the MultiverseThis is a map of the multiverse. Or in physics-ese, it’s the maximally ...This is a map of the multiverse. Or in physics-ese, it’s the maximally extended Penrose diagram of a Kerr spacetime. And in english: when you solve Einstein’s equations of general relativity for a ...
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PREVIEWS (11)
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Quantum Physics in a Mirror UniverseWhen you look in mirror, and see what you think is a perfect reflection, you ...When you look in mirror, and see what you think is a perfect reflection, you might be looking at universe whose laws are fundamentally different. -
Should We Build a Dyson Sphere?The Kepler telescope recently noticed a strange partial eclipse that some have ...The Kepler telescope recently noticed a strange partial eclipse that some have speculated could be a Dyson Sphere. Are Dyson Sphere's possible? Are they practical? What other alternatives to ... -
How the Quantum Eraser Rewrites the PastCausality is meant to move in one direction: forward. But the Quantum Eraser ...Causality is meant to move in one direction: forward. But the Quantum Eraser experiment seems to reverse causality. How and why can this happen and what are the implications of this experiment on how ...
