Make: Kit Reviews

MAKE contributor John Iovine has been designing and improving affordable Geiger counters for decades. After Japan’s nuclear crisis last spring, his company was swamped with orders. Now they’re working on even better designs and DIY kits. This analog counter detects beta radiation above 36 kilo-electron volts (keV) and gamma above 7keV, signaling each radioactive particle detected with an […]

Science: analog, Geiger counter, Science

This is a solder-together kit for studying the electrical impulses of cockroach neurons. The online instructions are excellent, with videos and plenty of clear photos of the assembly process. My 8-year-old daughter identified and inserted all the electrical components into the clearly marked printed circuit board through-holes, and I did the soldering. She asked me […]

Science: brain recording, bugs, cockroaches, Science