Human Extinction: What Are the Risks?
20:54
Collective Stupidity -- How Can We Avoid It?
21:10
Life might be more common in the universe than we thought
22:47
Is Nuclear Energy Green?
25:09
Why is quantum mechanics non-local? (I wish someone had told me this 20 years ago.)
28:12
Is nuclear power really that slow and expensive as they say?
23:47
I Think Faster Than Light Travel is Possible. Here's Why.
22:38
I recently learned that waste heat will boil the oceans in about 400 years.
20:00