He's a theoretical physicist so a lot of the stuff he talks about is either unproven or only works on paper, like a Dyson Sphere.
He's a theoretical physicist so a lot of the stuff he talks about is either unproven or only works on paper, like a Dyson Sphere.
Generally speaking theoretical science is usually at least a half century ahead of technology that puts into practice their theories.
So what were theoretical physicists talking about in the 70s?
So what were theoretical physicists talking about in the 70s?
Probably stuff like how to create a blue LED.