PBS Space Time
The Impossibility of Perpetual Motion Machines
Perhaps the most persistent nonsense in physics: the perpetual motion machine.
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Episode 13
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PBS Space Time
Should the First Mars Mission Be All Women?
Why might it may be advantageous to have our first mars mission be all women!?
PBS Space Time
When Time Breaks Down
We learned how motion gives matter its mass, but how does motion affect time?
Finding Your Roots
War Stories
Julianne Moore, Bill Hader, and Kehinde Wiley discover surprising rates.