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PBS Space Time
What If Alien Life Were Silcon-Based?
Season 9
Episode 3
Life as we know it is carbon-based, but does it have to be this way? There’s another element on the periodic table that shares some of the key properties of carbon but is far more abundant on most planets. I’m talking about silicon. So is there silicon-based life out there?
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12:50
Where are the worlds of all the times the universe has split?
14:05
Although elusive, the quantum spin has led to some of the deepest insights we now know.
14:01
Entropy is behind one of the most fundamental laws of physics.
12:22
The more time and space are divided, the distance between them may not exist.
13:44
The accumulation of space junk increases collisions known as the Kessler Syndrome.
11:34
If Planck relics are real, then the black holes may just be everywhere.
10:48
Quantum mechanics forbids us from measuring the universe. But we try with this principle.
14:08
We examine all the best-case scenarios for life beyond Earth.
13:11
Einstein gives us a glimmer of hope that time can be warped.
12:35
It may be that for every star in the universe there are billions of black holes.
12:35
Muon G-2 experiment produces the most successful predictions in physics.
12:48
We talk about some real experiments that claim to have demonstrated Zeno's phenomenon.