Polarity hilarity: nerdy makeshift Christmas lights using an old CD-ROM drive

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Dear Santa, this year I would like:
-A bunch of miscellaneous electrical junk
-Nerdy friends who will not make fun of me for doing DIY electronics in a bar
-No shame
-Robotic dinosaur
P.S. I have been a good boy. -Devin

Boys, beers, and ‘boards at the Bohemian [Sethop’s Interesting Times]