We see the sun everyday and feel the heat against our skin. What is the sun? How is it related to the stars in the sky? 454 more words
Roger Penrose “tries to show,
in chapter after chapter ,
that human thought cannot be based on any known scientific principle.
Minsky’s position is exactly the opposite – 1,305 more words
There’s been a lot of news coverage this week about a very big black hole, so I thought I’d post a little bit of background. 767 more words