Weird science facts: July — August 2012 … Perhaps the most fascinating thing about Einstein's special relativity is that it leads to a collection of “paradoxes” that seem to violate our common-sense nature of the world. … To appreciate how truly strange this is, consider the following thought experiment: imagine two cars (labeled 2 and 3) driving down the highway in opposite directions at 55 mph, as seen by a third car (labeled 1) stalled by the side of the road. So car 1 … …

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Relativity: Ten minutes to Alpha Centauri? | Skulls in the Stars