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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 New Warp Drive Possibilities
13:11
Einstein gives us a glimmer of hope that time can be warped.
What If Dark Matter Is Just Black Holes?
12:35
It may be that for every star in the universe there are billions of black holes.
Why the Muon g-2 Results Are So Exciting!
12:35
Muon G-2 experiment produces the most successful predictions in physics.
Zeno's Paradox & The Quantum Zeno Effect
12:48
We talk about some real experiments that claim to have demonstrated Zeno's phenomenon.
The New Crisis in Cosmology
13:08
The crisis in cosmology has actually gotten worse, which means we may be onto something!
How Does Gravity Affect Light?
13:24
We explore if there is a true connection between light and gravity.
Does Time Cause Gravity?
8:55
We explore that it's the warping of time that causes gravity.
Gravitational Wave Background Discovered?
13:54
There's a galaxy-spanning gravitational wave detector that has provided a breakthrough.
Is Dark Matter Made of Particles?
13:03
We try to make contact with dark matter particles and enter into the Dark Universe.
Can We Break the Universe?
12:32
We delve into some of the most famous paradoxes of special relativity.
What Happens During a Quantum Jump?
12:43
Transitions of quantum systems have always defied observation...until now.
Navigating with Quantum Entanglement
12:11
Erwin Schrödinger provides a new perspective that helps us navigate quantum mechanics.
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