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How to Signal Aliens

How to Signal Aliens

Season 1 Episode 18
6:14
Can a Circle Be a Straight Line?

Can a Circle Be a Straight Line?

Season 1 Episode 20
8:16
The Leap Second Explained

The Leap Second Explained

Season 1 Episode 21
2:20
Can You Trust Your Eyes in Spacetime?

Can You Trust Your Eyes in Spacetime?

Season 1 Episode 22
9:23
Do Events Inside Black Holes Happen?

Do Events Inside Black Holes Happen?

Season 1 Episode 25
11:50
What if Singularities DO NOT Exist?

What if Singularities DO NOT Exist?

Season 10 Episode 1
14:44
What Happens If We Nuke Space?

What Happens If We Nuke Space?

Season 10 Episode 2
15:13
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PBS Space Time

Is Gravity An Illusion?

Season 1 Episode 17

Most of us take gravity as an assumed part of our living realities, but why? Basic physics introduces us to the concept of gravity from a Newtonian sense, but when you start factoring Einstein into an understanding of gravity, things get… weird. For example, gravity may simply not exist. Why? Watch this week’s episode of PBS Space Time and find out why gravity may be an illusion!

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Season
JWST Discovered The Farthest Star Ever Seen!
15:59
With the James Webb Space Telescope we’ve now seen the earliest star ever detected.
Are Many Worlds & Pilot Wave The Same Theory?
17:24
Some are arguing that Many Worlds and Pilot Wave are really the same.
Are Room Temperature Superconductors Impossible?
18:00
What if we could produce superconductivity at room temperature? It would change the world.
What New Science Would We Discover with a Moon Telescope?
20:39
We may need to build a radio telescope in the quietest place nearby - the moon!
What If Space is Not Empty?
14:59
Spacetime on its smallest scale is an ocean of black holes and wormholes...or so we think.
Did JWST Discover Dark Matter Stars?
11:49
Did JWST just find a new type of star powered by dark matter?
Do We Need a New Dark Matter Model?
16:21
Did we just uncover new evidence to support Cold Dark Matter?
Was the Gravitational Wave Background Finally Discovered?!?
15:51
The gravitational wave background has probably been detected using a pulsar timing array.
What If The Speed of Light is Not Constant?
15:05
Let’s explore how constant this speed of light fundamental constant really is.
Does Axionic Dark Matter Bind Galaxies Together?
14:39
Dark matter may be a quantum mechanical wave that literally holds galaxies together.
Did AI Prove Our Proton Model Wrong?
16:24
Has AI proven that the proton is made of 5 quarks rather than 3 quarks?
What Supernova Distance Would Trigger Mass Extinction?
15:16
How close is too close for supernova explosions?
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