Season 5

Video thumbnail: PBS Space Time Why Quantum Computing Requires Quantum Cryptography

PBS Space Time

Why Quantum Computing Requires Quantum Cryptography

Quantum computing is cool, but you know what would be extra awesome - a quantum internet.

Why Quantum Computing Requires Quantum Cryptography

Video thumbnail: PBS Space Time No Dark Matter = Proof of Dark Matter?

PBS Space Time

No Dark Matter = Proof of Dark Matter?

We’ve been failing to detect dark matter for decades.

No Dark Matter = Proof of Dark Matter?

Video thumbnail: PBS Space Time The Edge of an Infinite Universe

PBS Space Time

The Edge of an Infinite Universe

Have you ever asked “what is beyond the edge of the universe?”

The Edge of an Infinite Universe

Video thumbnail: PBS Space Time Could the Universe End by Tearing Apart Every Atom?

PBS Space Time

Could the Universe End by Tearing Apart Every Atom?

Of all the unlikely ends of the universe, the Big Rip has to be the most spectacular.

Could the Universe End by Tearing Apart Every Atom?

Video thumbnail: PBS Space Time Is Dark Energy Getting Stronger?

PBS Space Time

Is Dark Energy Getting Stronger?

The power of Dark Energy may be increasing as the universe ages.

Is Dark Energy Getting Stronger?

Video thumbnail: PBS Space Time Perpetual Motion From Negative Mass?

PBS Space Time

Perpetual Motion From Negative Mass?

Challenge question: if 1kg of apples is $5 and 2kg is $10, how much is -1kg of apples?

Perpetual Motion From Negative Mass?

Video thumbnail: PBS Space Time The Crisis in Cosmology

PBS Space Time

The Crisis in Cosmology

The hubble constant--the rate of expansion of our universe--has consumed astronomers.

The Crisis in Cosmology

Video thumbnail: PBS Space Time Are Dark Matter And Dark Energy The Same?

PBS Space Time

Are Dark Matter And Dark Energy The Same?

Astronomers are the worst at naming things. Dark energy AND dark matter?

Are Dark Matter And Dark Energy The Same?

Video thumbnail: PBS Space Time 'Oumuamua Is Not Aliens

PBS Space Time

'Oumuamua Is Not Aliens

It’s never aliens … until it is. So let’s talk about ‘oumuamua.

'Oumuamua Is Not Aliens

Video thumbnail: PBS Space Time Are Virtual Particles A New Layer of Reality?

PBS Space Time

Are Virtual Particles A New Layer of Reality?

Let me tell you a story about virtual particles. It may or may not be true.

Are Virtual Particles A New Layer of Reality?

Video thumbnail: PBS Space Time Why String Theory is Right

PBS Space Time

Why String Theory is Right

Some see string theory as the one great hope for a theory of everything.

Why String Theory is Right