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Why Haven't We Found Alien Life?

Why Haven't We Found Alien Life?

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

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
8:31
How to Build a Blackhole

How to Build a Blackhole

Season 2 Episode 10
10:58
The Higgs Mechanism Explained

The Higgs Mechanism Explained

Season 2 Episode 11
7:49
Juno to Reveal Jupiter's Violent Past

Juno to Reveal Jupiter's Violent Past

Season 2 Episode 35
10:15
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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
The Final Barrier to (Nearly) Infinite Energy
19:39
Why are billions suddenly being pumped into fusion startups?
The Crisis in Physics: Why the Higgs Boson Should Not Exist!
16:36
The universe should've collapsed after the Big Bang, but a light Higgs boson let us exist.
Does Timescapes Disprove Dark Energy?
14:30
Maybe dark energy doesn't exist?
How Many Black Holes Are In The Solar System?
18:32
Dark matter has eluded us for many decades but we may be able to discover more now.
Does Infinity - Infinity = an Electron
15:35
What do you get if you combine something that’s infinitely massive and negative infinitely massive?
What Does An Electron Actually Look Like?
13:39
What does an electron really look like?
The NEW Ultimate Energy Limit of the Universe
16:35
Is there a limit to how much energy you can cram into, or pull out of one patch of space?
Does the Planck Length Break E=MC^2?
17:19
I’d like to invite you to an even higher level of nerdom!
Can the Universe Remember? Exploring Gravitational Memory
11:43
Gravitational tsunamis exist and we’re on the verge of being able to detect them.
How Can Humanity Become a Kardashev Type 1 Civilization?
18:40
Will we ever become a Kardeshev Type-1 civilization and how can we get there?
Do Neutron Stars Shine In Dark Matter?
14:05
New data is telling us that Neutron stars may make one of the most popular dark matter candidates.
What If the Cosmological Constant Is Not Constant?
15:14
Is Dark Energy Getting Weaker?
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