Word: experimentation
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CHEW ON THIS Your personal trainer may not approve, but a new study reveals what may be the easiest way to burn off calories: chewing gum. Chomping for an hour on a big wad (half a pack, sugarless) raises the metabolic rate 19% and burns 11 extra calories. That may...
It was based, like much of Einstein's work, on a thought experiment: if you could travel at the speed of light, what would a light wave look like? If you were in a train that neared the speed of light, would you perceive time and space differently?
His crowning glory, perhaps the most beautiful theory in all of science, was the general theory of relativity, published in 1916. Like the special theory, it was based on a thought experiment: imagine being in an enclosed lab accelerating through space. The effects you'd feel would be no different...
His easygoing engineer father, an unsuccessful entrepreneur in the emerging electrochemical industry, had less influence, though it was he who gave Einstein the celebrated toy compass that inspired his first "thought experiment": what, the five-year-old wondered, made the needle always point north?
It was around this time that, as the economist Michael Kremer has noted, Mother Nature happened to conduct an experiment that underscored the value of large social brains. Melting polar ice caps severed Tasmania from Australia and the New World from the Old World. Thereafter, just as you would expect...