The stunning realization that there may be multiple universes has progressed from speculative metaphysics (or science fiction) to serious theoretical cosmology to data-rich...
playlist
Topic Series
7 videos
52:40
Watch
Here’s the claim: each level of the scientific hierarchy — physics, chemistry, biology, psychology — has its own special laws that can never be explained by deeper laws...
video
Episode
Episode 05
Season 19
26:48
If God exists, did God create absolutely everything? Did God create out of literally nothing? Suppose there were no beginning, just the universe, or multiple universes, going...
8 videos
1:07:25
News
01.19.24
Read
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...
10 videos
1:13:40
Time seems natural and absolute: the flow of moments one following another from the unknown past to the knife’s edge present to the unknowable future. But this is not...
Episode 10
Season 05
26:46
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
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.
Season 06
Is probability a deep probe of how the world works at fundamental levels? Or is probability merely a tool of human perception in trying to discern what is true and what is...
37:41
The cosmos is vast, the largest stuff that exists. Particles are tiny, the smallest stuff that exists. Yet the particles compose the cosmos; there is nothing in the cosmos...
1:07:45
How to think about God afresh? Can we consider God—God’s possible existence, God’s essence and nature—without preconceived assumptions or biases? What...
54:16