PBS Space Time
S2019 · E34 — Is Time Travel Impossible?
S2019:E34 · Is Time Travel Impossible?
40 episodes in this season
Are Dark Matter And Dark Energy The Same?
14 min
Our Antimatter, Mirrored, Time-Reversed Universe
19 min
The Crisis in Cosmology
Perpetual Motion From Negative Mass?
16 min
Sound Waves from the Beginning of Time
18 min
Secrets of the Cosmic Microwave Background
The Impossibility of Perpetual Motion Machines
17 min
Will You Travel to Space?
Is Dark Energy Getting Stronger?
Could the Universe End by Tearing Apart Every Atom?
The Edge of an Infinite Universe
The Holographic Universe Explained
No Dark Matter = Proof of Dark Matter?
15 min
The Real Science of the EHT Black Hole
13 min
Why Quantum Computing Requires Quantum Cryptography
The Cosmic Dark Ages
The Alchemy of Neutron Star Collisions
How Black Holes Kill Galaxies
The Quasar from The Beginning of Time - STELLAR
9 min
Thorium and the Future of Nuclear Energy
The Quantum Internet
Did Time Start at the Big Bang?
Deciphering The Vast Scale of the Universe - STELLAR
11 min
What Caused the Big Bang?
Exploring Arecibo in VR 180
6 min
What Happened Before the Big Bang?
How To Become an Astrophysicist + Challenge Question!
Is Earth's Magnetic Field Reversing?
Could We Terraform Mars?
20 min
Is Pluto a Planet?
How Many Universes Are There?
Black Hole Harmonics
Loop Quantum Gravity Explained
Is Time Travel Impossible?
Why We Might Be Alone in the Universe
Does Life Need a Multiverse to Exist?
Can You Observe a Typical Universe?
Is The Universe Finite?
The Doomsday Argument
Do Black Holes Create New Universes?
