What are the basic components of the cosmos? At the deepest levels of reality—the particles, fields and forces of the smallest slices of existence—how does the world...
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10 videos
1:27:45
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Does information work at the deep levels of physics, including quantum theory, undergirding the fundamental forces and particles? But what is the essence of...
9 videos
1:17:42
Einstein showed that space and time are essentially the same thing, a single entity called ‘spacetime’. But space and time seem so radically different. How could...
4 videos
37:11
To appreciate time is to touch the texture of reality. Does time differ from our common perceptions of flow and passage? Is time fixed or flexible? Do we misunderstand time?...
6 videos
49:34
What does it mean for time to be real? Is time the ultimate stage on which all events play? Some physicists and philosophers would say no, time is an illusion; time is not...
48:09
What does it mean for space and time to be the same thing? Not related to each other, but literally two descriptions of precisely the same entity—’spacetime’?...
34:58
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...
8 videos
1:19:32
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...
53:30
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....
1:24:43
Is our entire universe a vast computer game, the creation of super-smart hackers existing somewhere else? Before you smirk and laugh, watch and think! Who’s to say that...
7 videos
55:18
Could our entire universe have been created by a super-intelligent species, just like computer scientists write software to simulate chemical reactions or the weather? It may...
1:16:47
Time is a mystery; it’s not what it seems. Time’s flow feels unstoppable, yet some say time is not fundamental, perhaps not even real. Why do physicists and...
51:44
