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Better memory with faster lasers

DVDs and Blu-ray disks contain so-called phase-change materials that morph from one atomic state to another after being struck with pulses of laser light, with data "recorded" in those two atomic states. ...

dateJul 02, 2015 in Nanophysics
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The ethical slipperiness of hoaxes

Hoaxes sure can stir up a lot of emotion, can't they? We tend to have a quick reaction to them, and they flush out differences in values quickly, too.

dateJun 01, 2015 in Other
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