Posts tagged tubes:
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2011-03-25 A Spectrum Analyzer on your Face
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2013-02-02 Disk Stack Lamp
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2015-02-21 Plausibly Plasma
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2016-04-10 Electric Votary
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2016-04-17 Hotrodding a Holiday Light Controller
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2016-04-21 Weird Neon Tricks
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2017-07-04 Schrödinger's Martini: Copenhagen Interpretation Cocktails