If you own a Raspberry Pi 2, congratulations: you’re also the proud owner of an elegant demonstration of the photoelectric effect! At the weekend, Peter Onion, a veteran of our forums and of Raspberry Jams in Cambridge, Bletchley and surrounding areas (visible, costumed, in the background of this photo at the Christmas CamJam), discovered what we think might be the most adorable bug we’ve ever come across.
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Xenon Death Flash: a free physics lesson