When the world finally goes all to hell and the missiles start flying, a Geiger counter will be a handy tool for anyone who survives the blast. Be prepared by building your own Mr. Fission radar ...
Japan's nuclear meltdown in the aftermath of the March 11, 2011 earthquake inspired the creation of a grassroots radiation sensor network and a homemade Geiger counter for ordinary citizens. The DIY ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback