Episodes

Cover image for Observing Quanta, Observing Nature

Why is an observer key to quantum physics? Does the act of observation affect what exists and what happens in the external world? Why is Observation in the quantum world a...

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Observing Quanta, Observing Nature

Episode 08

Season 17

26:48

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Cover image for Why is the Quantum So Strange?

To know reality, one must confront the quantum. It is how our world works at the deepest level. What’s the quantum? It is bizarre, defying all common sense.

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Why is the Quantum So Strange?

Episode 05

Season 06

26:46

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Topic Series

15 items

Cover image for Events in Quantum Mechanics and Relativity (Part II)

Quantum mechanics, the best theory of the very small, and general relativity, the best theory of the very large, are deeply incompatible. One way to compare and contrast the...

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Events in Quantum Mechanics and Relativity (Part II)

Topic Series

5 videos

30:41

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To know reality, one must confront the quantum. It is how our world works at the deepest level. What’s the quantum? It is bizarre, defying all common sense. Particles...

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Why is the Quantum So Strange?

Topic Series

8 videos

1:19:32

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Cover image for Why is the Quantum so Mysterious?

Particles at two places at the same time—superposition. Particles communicating instantly with no respect to distance—entanglement. How to make sense of such weirdness?...

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Why is the Quantum so Mysterious?

Topic Series

8 videos

1:21:37

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Cover image for What Does Quantum Theory Mean? (Part I)

Quantum theory may be weird—superposition and entanglement of particles that in our normal world would make no sense—but quantum theory is truly how the microworld works....

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What Does Quantum Theory Mean? (Part I)

Topic Series

10 videos

1:24:43

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Cover image for What does Quantum Theory Mean? (Part II)

Quantum theory may be weird—superposition and entanglement of particles that in our normal world would make no sense—but quantum theory is truly how the microworld works....

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What does Quantum Theory Mean? (Part II)

Topic Series

6 videos

52:51

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Cover image for Many Worlds of Quantum Theory (Part I)

Quantum theory is very strange. No act is wholly sure. Everything works by probabilities, described by a wave function. But what is a wavefunction? One theory is that every...

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Many Worlds of Quantum Theory (Part I)

Topic Series

5 videos

41:15

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Cover image for Many Worlds of Quantum Theory (Part II)

Quantum theory is very strange. No act is wholly sure. Everything works by probabilities, described by a wave function. But what is a wavefunction? One theory is that every...

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Many Worlds of Quantum Theory (Part II)

Topic Series

5 videos

32:25

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Cover image for Why is Quantum Gravity Key?

Quantum theory explains the microworld. General relativity, discovered by Einstein, explains gravity and the structure of the universe. The problem is that the two are not...

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Why is Quantum Gravity Key?

Topic Series

6 videos

51:57

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Cover image for Why is Quantum Gravity So Significant?

Quantum theory explains how particles and fields work. General relativity, discovered by Einstein, explains how gravity generates the structure of the universe. But the two...

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Why is Quantum Gravity So Significant?

Topic Series

6 videos

53:30

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Why is an observer a critical part of quantum physics? What does it mean to be an observer? Does the act of observation affect what exists and what happens in the external...

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What are Observers?

Topic Series

6 videos

52:16

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Does the concept of observation have deep relevance in fundamental physics? What about in quantum physics where some kind of observation seems to be needed to transform...

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Physics of the Observer

Topic Series

9 videos

1:18:52

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What is an event in physics? What are its attributes? This question didn’t seem very interesting until quantum physics changed the world. Is an observer or an observation...

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Physics of What Happens

Topic Series

7 videos

52:09

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Cover image for Events in Quantum Mechanics and Relativity (Part I)

Quantum mechanics, the best theory of the very small, and general relativity, the best theory of the very large, are deeply incompatible. One way to compare and contrast the...

playlist

Events in Quantum Mechanics and Relativity (Part I)

Topic Series

5 videos

44:15

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Cover image for What is Quantum Cosmology?

“Quantum” is the theory of the utterly small. “Cosmology” is the study of the utterly large. They combine, remarkably, when in the very early universe the entire...

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What is Quantum Cosmology?

Topic Series

5 videos

36:02

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Cover image for Quantum Mechanics Experiments

Quantum theory has been the most powerful explanation of how the world, down deep, really works. But quantum theory is weird: things in two states or places at the same time,...

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Quantum Mechanics Experiments

Topic Series

3 videos

31:43

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Roundtables

Cover image for Will Computers Take a Quantum Leap?

Weird physics may spawn the next high tech. Three scientists who research the peculiar and tantalizing world of quantum computing speculate about how the fundamentals of...

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Will Computers Take a Quantum Leap?

Roundtable

26:11

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Cover image for Why is Quantum Physics So Beautiful?

Beautiful, elegant and full of charm and symmetry. That’s how some scientists would describe quantum physics, the most basic and scientific picture of our world. Join...

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