How The Shapiro Time Delay Effect Proves Einstein's Theory of Relativity

There are a couple of reasons why people react with puzzlement to ideas like General Relativity. The idea of "spacetime" is difficult enough to picture, without talk about the idea that mass distorts it the way a bowling ball distorts a trampoline. (Note to self: Promote trampoline bowling as the world's new most… » 2/14/13 12:20pm 2/14/13 12:20pm