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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
The Supernova At The End of Time
12:12
This is a new type of supernova that can only happen at the end of the universe.
Why Do You Remember The Past But Not The Future?
12:07
Why do we remember the past and not the future?
The Arrow of Time and How to Reverse It
10:36
It's time to begin our journey towards really understanding time.
Can Free Will be Saved in a Deterministic Universe?
13:42
Space Time weigh in on physics and free will.
Electroweak Theory and the Origin of the Fundamental Forces
13:48
We explore how forces of nature, once unified, were forced to separate.
How The Penrose Singularity Theorem Predicts The End
12:50
This is how the Penrose Singularity Theorem Predicts The End of Space Time.
Is The Future Predetermined By Quantum Mechanics?
12:39
if time is connected to space does that mean that the future is predestined?
Do the Past and Future Exist?
13:09
We explore what exists in the past, present and future.
Venus May Have Life!
13:01
We may have detected the signature of alien life - Venusian life -for the first time.
Solving Quantum Cryptography
14:39
Can solving quantum cryptography prevent us from digital collapse...and are we close?
Could Life Evolve Inside Stars?
10:47
Fundamental kinks in the universe may evolve into complex structures within the stars.
The Truth About Beauty in Physics
13:29
We explore if chasing the beauty in physics is an actual good course of action.
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