PBS Space Time
Secrets of the Cosmic Microwave Background
Secrets of the Cosmic Microwave Background
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Season 5
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PBS Space Time
The Impossibility of Perpetual Motion Machines
Perhaps the most persistent nonsense in physics: the perpetual motion machine.
PBS Space Time
Could the Universe End by Tearing Apart Every Atom?
Of all the unlikely ends of the universe, the Big Rip has to be the most spectacular.
PBS Space Time
Is Dark Energy Getting Stronger?
The power of Dark Energy may be increasing as the universe ages.
