What do scientists mean when they call the laws and regularities of nature “beautiful”? On the largest supra-cosmic scales, and on the smallest sub-atomic scales,...
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Episode
Episode 03
Season 03
26:46
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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?...
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Topic Series
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
The world works at different levels — fundamental physics, physics, chemistry, biology, psychology, sociology — with each level having its own rules and regularities. ...
5 videos
45:52
Mathematics is like nothing else. The truths of math seem to be unrelated to anything else—independent of human beings, independent of the universe. The sum of 2 + 3 = 5...
7 videos
47:10
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 called...
4 videos
34:58
Information is a common word but has technical meanings so important that our entire world depends on them. What are the kinds of information? How about the scientific...
37:58
Mathematics describes the real world of atoms and acorns, stars and stairs, with remarkable precision. So is mathematics invented by humans just like chisels and hammers and...
9 videos
1:34:28
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...
52:16
Mathematics describes the real world of atoms and acorns, stars and stairs, with remarkable precision. So is mathematics invented by humans-like chisels and hammers and...
Episode 09
Season 04
We search deepest levels of cosmic reality, the big picture of the puzzle of the universe — beginning, size, structure, future, far future. We seek significance in...
Episode 01
Season 19
26:48
42:30