Here are some stories from the past week on TechCrunch Gadgets:
Watch Out For Lightsabers In Tokyo’s Subway Cars
Hey, Did You Happen To See The Nerdiest Watch In The World?
Zappin’ To The Oldies: A Tesla Coil Plays The Hits
German Artist Creates 4000-Watt Sound Tank
Origo: A 3D Printer For Kids