Tag: relativity

Relativity, Part 2

Welcome back (those who came back) for the promised look at Einstein’s general theory of relativity. I hope you remembered the billiard balls and rubber sheet… Einstein’s special theory of relativity, which we looked at last week, states that nothing can travel faster than light. Isaac Newton’s laws of gravity, however, assumed that somehow gravitational …

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Relativity, Part 1

If you were asked, on the spur of the moment, to state a famous scientific equation–any old equation–the odds are you’d say “E=mc2.” Almost everyone has heard of it, and most people have also heard of Einstein and the theory of relativity. Sooner or later, then, a science columnist like myself pretty well has to …

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