That the cosmos is a computer sounds like a modern metaphor, a way of explaining how things work. But some make a bolder claim: that the cosmos is in reality a computer, not...
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15 videos
1:42:26
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Prediction is the fruitful product of good science, but how far can prediction go? Physics is the most mathematical and rigorous of the sciences and so prediction is most...
6 videos
44:56
Information has become increasingly important in understanding the physical world around us, from ordinary computers to the underlying principles of fundamental physics,...
5 videos
32:20
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
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
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...
7 videos
52:09
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...
44:15
Are events measured by time? Or is time created by sequences of events? Which is more fundamental, events or time? Worse, we may get different answers from quantum mechanics...
8 videos
1:11:36
The observable universe may contain two trillion galaxies and there may be innumerable universes. Is there ultimate unification of fundamental forces, a final theory of...
38:33
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...
9 videos
1:18:52
“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...
36:02
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,...
3 videos
31:43
