Caffeine Crystals Under the Microscope

Caffeine may be the most widely consumed drug on the planet because coffee is tasty, but also because could you imagine your day without caffeine? Anyway, it turns out that caffeine crystals, as captured by Annie Cavanaugh and David McCarthy, are also quite pretty. The photo above is just one of this year’s 16 winning images from the Wellcome Trust image competition.  Caffeine crystals structures measure in at just 40 microns in length (for reference: 1 millimeter = 1,000 microns).  [via io9]

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