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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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How We Know The Universe is Ancient
14:01
How do you learn the age of the universe when there’s no trace left of its beginnings?
Will Wormholes Allow Fast Interstellar Travel?
14:31
When do we get to wormhole ourselves out of here?
Was the Milky Way a Quasar?
13:31
Recently we discovered that its violent past was much more recent than we thought.
How We Know The Earth Is Ancient
13:38
How can we be sure about timescales so far beyond the capacity for human intuition?
What’s On The Other Side Of A Black Hole?
11:54
Normal maps are useless inside black holes.
How Black Holes Spin Space Time
12:49
If there’s one thing cooler than a black hole it’s a rotating black hole.
How Do Quantum States Manifest In The Classical World?
14:42
How do quantum states manifest in the classical world?
Does Quantum Immortality Save Schrödinger's Cat?
11:31
If the quantum multiverse is real there may be a version of you that lives forever.
How Decoherence Splits The Quantum Multiverse
15:09
Does conscious observation of a quantum system cause the wavefunction to collapse?
Does Consciousness Influence Quantum Mechanics?
13:17
There is an idea that consciousness can directly influence quantum systems.
Are Axions Dark Matter?
12:09
The axion may explain dark matter.
Are There Infinite Versions of You?
12:22
If the universe goes on forever, does that mean there are infinite versions of you?
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