Month: September 2017

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Since the mid-twentieth century, two theories of physics have offered powerful yet incompatible models of the physical universe.  General relativity brings space and time together into the (then) portmanteau space-time, the curvature of which is gravity. It works really well on large scales, such as interplanetary or interstellar space.   But zoom into the subatomic, and things
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The proposal, conceived by a bunch of pointy-headed Parisian philosophers, sounded brilliant: A universal system of measurement, derived from decimal-based units and identified by a shared set of prefixes. It would end the era of merchants buying goods according to one unit, selling in another, and pocketing the ill-gotten profit. It would simplify scientific calculations