Episode list

Beeyond Ideas

Your Left Hand Might Be of Different Origins Than Your Right One. Here's Why.
Apart from hydrogen the atoms that comprise your body were forged in the core of stars. Then when these stars exploded in supernovae the atoms were scattered throughout the universe. Eventualy some of these atoms were gathered together as new stars. At least one of these stars, our sun, formed a planet called Earth with people living on it. But no one knows if the atoms in your body came from the same star or a multitude of wildly dispersed stars.
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Timelapse of 4 Billion Years into the Future
If you live long enough there are some spectacular events coming your way. The northern and southern hemisphere will swap seasons. A variety of objects in the solar system will collide include Phobes impacting Mars and some whopper asteroid hitting Earth. Then there the granddaddy of them all; the collision of the Andromeda and Milky Way galaxies.
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The Science of Extreme Time Dilation in Interstellar
Gravity causes time dilation. Harry presents a simple example to explain why. Then he explains why it matters so much to the characters in Interstellar before considering if the events in the film are consistent with Einstein's theories.
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