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Are Dark Matter And Dark Energy The Same?

Are Dark Matter And Dark Energy The Same?

Season 5 Episode 7
13:08
Our Antimatter, Mirrored, Time-Reversed Universe

Our Antimatter, Mirrored, Time-Reversed Universe

Season 5 Episode 8
13:50
The Crisis in Cosmology

The Crisis in Cosmology

Season 5 Episode 9
13:17
Perpetual Motion From Negative Mass?

Perpetual Motion From Negative Mass?

Season 5 Episode 10
14:28
Sound Waves from the Beginning of Time

Sound Waves from the Beginning of Time

Season 5 Episode 11
12:48
Secrets of the Cosmic Microwave Background

Secrets of the Cosmic Microwave Background

Season 5 Episode 12
13:53
The Impossibility of Perpetual Motion Machines

The Impossibility of Perpetual Motion Machines

Season 5 Episode 13
12:28
Will You Travel to Space?

Will You Travel to Space?

Season 5 Episode 14
12:46
Is Dark Energy Getting Stronger?

Is Dark Energy Getting Stronger?

Season 5 Episode 15
14:31
Could the Universe End by Tearing Apart Every Atom?

Could the Universe End by Tearing Apart Every Atom?

Season 5 Episode 16
13:21
The Edge of an Infinite Universe

The Edge of an Infinite Universe

Season 5 Episode 17
15:16
The Holographic Universe Explained

The Holographic Universe Explained

Season 5 Episode 18
14:39
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PBS Space Time

Why String Theory is Wrong

Season 5 Episode 6

There’s this idea that beauty is a powerful guide to truth in the mathematics of physical theory. String theory is certainly beautiful in the eyes of many physicists. Beautiful enough to pursue even if it’s wrong?
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Can You Trust Your Eyes in Spacetime?
9:23
Season 1 Episode 22
Can You Trust Your Eyes in Spacetime?
This week on Spacetime, we take a detour into how geometry works in spacetime.
The Leap Second Explained
2:20
Season 1 Episode 21
The Leap Second Explained
Every once in a while we add a second onto our days.
Can a Circle Be a Straight Line?
8:16
Season 1 Episode 20
Can a Circle Be a Straight Line?
General Relativity! Spacetime! And... Curved Lines?
The Calendar, Australia & White Christmas
5:48
Season 1 Episode 19
The Calendar, Australia & White Christmas
Southern and northern hemispheres experience opposite seasons... So could it happen?
How to Signal Aliens
6:14
Season 1 Episode 18
How to Signal Aliens
Everyone has their own opinion as to whether or not aliens exist.
Is Gravity An Illusion?
10:17
Season 1 Episode 17
Is Gravity An Illusion?
Most of us take gravity as an assumed part of our living realities, but why?
Habitable Exoplanets Debunked!
10:46
Season 1 Episode 16
Habitable Exoplanets Debunked!
Kepler 186f rekindled our hopes and dreams of colonizing space.
The Real Meaning of E=mc²
8:22
Season 1 Episode 15
The Real Meaning of E=mc²
Was E=mc² explained to you properly?
9 NASA Technologies Shaping Your Future
6:38
Season 1 Episode 14
9 NASA Technologies Shaping Your Future
NASA is really good at going to space, but their mission also include lots of public good!
Should the First Mars Mission Be All Women?
7:25
Season 1 Episode 13
Should the First Mars Mission Be All Women?
Why might it may be advantageous to have our first mars mission be all women!?
What's the Most Realistic Artificial Gravity in Sci-Fi?
8:29
Season 1 Episode 12
What's the Most Realistic Artificial Gravity in Sci-Fi?
2001: A Space Odyssey introduced people to the idea of rotation based artificial gravity.
Are Space and Time An Illusion?
7:06
Season 1 Episode 11
Are Space and Time An Illusion?
This episode of PBS Space Time is actually about Spacetime.
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