Monday, 27 September 2010


One of Einstein’s big ideas was that (to put it in a nutshell) we can’t ultimately tell if we are in the moving train leaving the station or in a motionless train with the station sliding past us. There are many cool elaborations of this idea (Are we moving through time one second per second, or is it that we are stationary and time is moving past us?) but it's worth recalling how counterintuitive the original version is. Because deep in our bones, so deep it's almost impossible to shake, is our belief: 'but surely ... the station is stationary! The train is en train! Look at the names!'

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