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PBS Space Time

Planck's Constant and The Origin of Quantum Mechanics

Planck's Length is the length below which the concept of length loses its meaning. What exactly does that mean and what are the incredible implications this fact has upon our reality? To find out check out this episode of Space Time where Matt digs into the early history of quantum mechanics.

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Season
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?
The Unruh Effect
10:52
A black hole can never catch up to you, but the Unruh radiation it generates sure can.
The Andromeda-Milky Way Collision
9:15
The Andromeda galaxy will inevitably collide with our own Milky Way. Will that be the end?
Scientists Have Detected the First Stars
9:03
What do the first stars, dark matter, and superior siege engines have in common?
Hawking Radiation
12:00
Stephen Hawking's most famous prediction: the theory of Hawking Radiation.
Should Space be Privatized?
9:16
Will the future of space exploration be guided by public or private entities?
The Trebuchet Challenge
8:25
Do you have what it takes to calculate the awesome power of the trebuchet?
The Death of the Sun
9:01
What exactly will happen when the sun dies?
What is Energy?
11:20
Energy is the most powerful and useful concept in all of physics, but what exactly is it?
Kronos: Devourer Of Worlds
7:42
What happens when a star eats its planets? Find out on today’s Space Time Journal Club.
The End of the Habitable Zone
9:55
The Sun is getting brighter and the habitable planets in our solar system are changing.
Horizon Radiation
12:03
What is Horizon radiation? How does it apply to the Unruh Effect and Hawking Radiation?
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