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Why Haven't We Found Alien Life?

Why Haven't We Found Alien Life?

Season 2 Episode 7
10:33
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Is an Ice Age Coming?

Season 2 Episode 30
12:10
5 Ways to Stop a Killer Asteroid

5 Ways to Stop a Killer Asteroid

Season 2 Episode 8
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Season 2 Episode 10
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The Higgs Mechanism Explained

The Higgs Mechanism Explained

Season 2 Episode 11
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Juno to Reveal Jupiter's Violent Past

Juno to Reveal Jupiter's Violent Past

Season 2 Episode 35
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PBS Space Time

Have Gravitational Waves Been Discovered?!?

Season 2 Episode 5

For the past 90 years, the predictions laid out Einstein's general theory of relativity have continued to be confirmed by experimental science. The last hold out is gravitational waves - the idea that certain gravitational events cause actual ripples in Spacetime. But have scientists done it?

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Season
Are We Running Out of Space Above Earth?
13:44
The accumulation of space junk increases collisions known as the Kessler Syndrome.
What If Tiny Black Holes Are Everywhere?
11:34
If Planck relics are real, then the black holes may just be everywhere.
Breaking The Heisenberg Uncertainty Principle
10:48
Quantum mechanics forbids us from measuring the universe. But we try with this principle.
How To Know If It's Aliens
14:08
We examine all the best-case scenarios for life beyond Earth.
The New Warp Drive Possibilities
13:11
Einstein gives us a glimmer of hope that time can be warped.
What If Dark Matter Is Just Black Holes?
12:35
It may be that for every star in the universe there are billions of black holes.
Why the Muon g-2 Results Are So Exciting!
12:35
Muon G-2 experiment produces the most successful predictions in physics.
Zeno's Paradox & The Quantum Zeno Effect
12:48
We talk about some real experiments that claim to have demonstrated Zeno's phenomenon.
The New Crisis in Cosmology
13:08
The crisis in cosmology has actually gotten worse, which means we may be onto something!
How Does Gravity Affect Light?
13:24
We explore if there is a true connection between light and gravity.
Does Time Cause Gravity?
8:55
We explore that it's the warping of time that causes gravity.
Gravitational Wave Background Discovered?
13:54
There's a galaxy-spanning gravitational wave detector that has provided a breakthrough.
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