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Is Time Travel Impossible?

Is Time Travel Impossible?

Season 5 Episode 37
12:33
Why We Might Be Alone in the Universe

Why We Might Be Alone in the Universe

Season 5 Episode 38
12:24
Does Life Need a Multiverse to Exist?

Does Life Need a Multiverse to Exist?

Season 5 Episode 39
13:09
Can You Observe a Typical Universe?

Can You Observe a Typical Universe?

Season 5 Episode 40
13:36
Is The Universe Finite?

Is The Universe Finite?

Season 5 Episode 41
12:25
The Doomsday Argument

The Doomsday Argument

Season 5 Episode 42
12:50
Do Black Holes Create New Universes?

Do Black Holes Create New Universes?

Season 5 Episode 43
12:24
How To Detect a Neutrino

How To Detect a Neutrino

Season 5 Episode 44
9:54
How To Capture Black Holes

How To Capture Black Holes

Season 5 Episode 45
12:02
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

Loop Quantum Gravity Explained

Season 5 Episode 36

It’s time we talked about loop quantum gravity. What exactly is it? What are the loops? And can it really defeat string theory in our quest for a Theory of Everything?

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Season
Quantum Invariance & The Origin of The Standard Model
11:10
Learn about the standard model of particle physics, the most accurate physical theory yet.
Will A New Neutrino Change The Standard Model?
10:36
One paper reports on a new particle outside the standard model: the sterile neutrino.
How Asteroid Mining Will Save Earth
10:38
Forget oil. There’s another natural resource that’s never been touched, Asteroids.
Have We SolvedThe Black Hole Information Paradox
11:37
Nothing can escape from below the event horizon- not matter, light, or even information.
What Survives Inside A Black Hole?
11:03
Nothing can escape from below the event horizon- not matter, light, or even information.
Why Quantum Information is Never Destroyed
10:06
Is the entire history of the universe perfectly knowable? Or has information been lost?
Noether's Theorem and The Symmetries of Reality
9:38
Flawed conservation laws are consequences of a much deeper principle: Noether’s theorem.
How Gaia Changed Astronomy Forever
8:47
New Gaia mission data has dramatically changed how we understand our own galaxy.
The Star at the End of Time
8:55
How long will life persist as the stars begin to die?
Black Hole Swarms
8:33
We can now see that the Milky Way is swarming with tens of thousands of black holes.
Using Stars to See Gravitational Waves
8:36
We’re going to need a gravitational wave observatory - in fact, we've already built one.
The Physics of Life (ft. It's Okay to be Smart & PBS Eons!)
10:44
How did our chaotic universe generate the extreme complexity we see in life?
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