An anonymous reader writes "April 1st is the ultimate holiday for a geek — a little hands-on DIY, a little hacking and a lot of sub-par humor. Popular Mechanics and Instructables have teamed up for five pranks you can build in the office (including a stripped-down version of Gizmodo's CES TV blackout), while Wired has its top 10 practical jokes for nerds, Lifehacker is toning it down with 10 harmless geek pranks, and Slate gets you ready for the receiving end with an April Fools' defense kit. What's your best prank?" Be safe, head for the bunker on 4/1 and just assume everything you hear is a lie. Everything.