Skip to main content

Up Next

The Cosmic Dark Ages

The Cosmic Dark Ages

Season 5 Episode 22
12:29
The Alchemy of Neutron Star Collisions

The Alchemy of Neutron Star Collisions

Season 5 Episode 23
11:24
How Black Holes Kill Galaxies

How Black Holes Kill Galaxies

Season 5 Episode 24
11:20
The Quantum Internet

The Quantum Internet

Season 5 Episode 26
11:35
Did Time Start at the Big Bang?

Did Time Start at the Big Bang?

Season 5 Episode 27
12:30
What Caused the Big Bang?

What Caused the Big Bang?

Season 5 Episode 28
13:12
What Happened Before the Big Bang?

What Happened Before the Big Bang?

Season 5 Episode 29
10:23
How To Become an Astrophysicist

How To Become an Astrophysicist

Season 5 Episode 30
12:45
Is Earth's Magnetic Field Reversing?

Is Earth's Magnetic Field Reversing?

Season 5 Episode 31
12:46
Could We Terraform Mars?

Could We Terraform Mars?

Season 5 Episode 32
15:33
Is Pluto a Planet?

Is Pluto a Planet?

Season 5 Episode 33
14:03
Back to Show
PBS Space Time

Why Quantum Computing Requires Quantum Cryptography

Season 5 Episode 21

Quantum computing is cool, but you know what would be extra awesome - a quantum internet. In fact if we want the first we’ll need the latter. And the first step to the quantum internet is quantum cryptography.

Support Provided By
Season
The Future of Space Telescopes
10:34
Some incredible technologies help us peer deeper and more sharply into space time.
Neutron Stars Collide in New LIGO Signal?
11:27
LIGO may have just detected gravitational waves from the collision of two Neutron Stars.
White Holes
12:25
Black holes are very well known but... What is a White Hole?
First Detection of Life
10:34
What does life look like from space?
Extraterrestrial Superstorms
10:49
There are many unsolved mysteries surrounding epic extraterrestrial superstorms.
The One-Electron Universe
9:11
Could it be that all the electrons are simply a single electron moving back and forth?
Dark Flow
12:29
Why does the universe seem to be moving in one particular direction?
The Secrets of Feynman Diagrams
12:05
Unlock the secrets of Feynman Diagrams. Part 5 in our Quantum Field Theory series.
The Real Star Wars
12:38
Anti-Satellite weaponry, giant X-ray lasers and kinetic impact missiles nicknamed the “Rod
Solving the Impossible in Quantum Field Theory
11:52
How do you calculate infinite quantum outcomes? Feynman Diagrams.
Feynman's Infinite Quantum Paths
11:39
There is a fundamental limit to the knowability of the universe.
The First Quantum Field Theory
12:15
Part 2 in our series on Quantum Field Theory.
Active loading indicator