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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
Are Cosmic Strings Cracks in the Universe?
15:41
Cosmic strings could be the most most bizarre undiscovered entities to actually exist.
Is The Wave Function The Building Block of Reality?
13:31
We explore Objective Collapse Theories in a down to earth objective way.
How Does Gravity Escape A Black Hole?
12:36
We explore how a black hole manages to communicate its gravitational force.
How To Build The Universe in a Computer
12:26
We explore the possibility of building a universe and all the limitations it presents.
How To Simulate The Universe With DFT
14:14
Let’s learn how to cheat the universe.
How to Find Alien Dyson Spheres
14:28
Time to update you on the hunt for galactic empires.
What Happens If A Black Hole Hits Earth?
13:29
This is what happens if microscopic primordial black holes could actually hit Earth.
Are Black Holes Actually Fuzzballs?
14:07
Black holes of string theory - fuzzballs - are perhaps even weirder than the regular type.
What If Our Understanding of Gravity Is Wrong?
14:28
We learn more about Modified Newtonian Dynamics aka MOND.
Is Action The Most Fundamental Property in Physics?
14:28
ACTION is the concept in physics that may be more fundamental than energy and entropy.
Will Constructor Theory Rewrite Physics?
11:41
Constructor Theory is the ability to see the deepest underlying facts about the world.
New Results in Quantum Tunneling vs. The Speed of Light
13:00
New efforts in quantum tunneling show that superluminal motion may be possible.
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