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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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13:08
The crisis in cosmology has actually gotten worse, which means we may be onto something!
13:24
We explore if there is a true connection between light and gravity.
8:55
We explore that it's the warping of time that causes gravity.
13:54
There's a galaxy-spanning gravitational wave detector that has provided a breakthrough.
13:03
We try to make contact with dark matter particles and enter into the Dark Universe.
12:32
We delve into some of the most famous paradoxes of special relativity.
12:43
Transitions of quantum systems have always defied observation...until now.
12:11
Erwin Schrödinger provides a new perspective that helps us navigate quantum mechanics.
12:12
This is a new type of supernova that can only happen at the end of the universe.
12:07
Why do we remember the past and not the future?
10:36
It's time to begin our journey towards really understanding time.
13:42
Space Time weigh in on physics and free will.