Geiger Counter


This DIY Geiger counter clicks and flashes an LED each time it detects a radioactive particle. It works with most common Geiger–Müller tubes, and easily connects to radiation rate meters, data loggers, true random number generators, and the Radiation Network’s GeigerGraph software. Share your radiation readings with the whole world! Read more »

MintyBoost USB Charger Kit v3.0


Safely and effectively charge your USB-powered devices when you are away from your computer with this handy charger! Please note: There have been reports that the Minty Boost has issues charging the iPhone 3GS. Read more »