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13:21
Of all the unlikely ends of the universe, the Big Rip has to be the most spectacular.
14:31
The power of Dark Energy may be increasing as the universe ages.
12:46
Will You Travel to Space?
12:28
Perhaps the most persistent nonsense in physics: the perpetual motion machine.
13:53
Secrets of the Cosmic Microwave Background
12:48
Sound Waves from the Beginning of Time
14:28
Challenge question: if 1kg of apples is $5 and 2kg is $10, how much is -1kg of apples?
13:17
The hubble constant--the rate of expansion of our universe--has consumed astronomers.
13:50
The foundations of quantum theory rests on its symmetries.
13:08
Astronomers are the worst at naming things. Dark energy AND dark matter?
15:07
Why String Theory is Wrong
12:18
What you think is a perfect reflection might be universe that is fundamentally different.
