The largest network for radiation data in the world started with a simple personal question: after the Fukushima earthquake, Joichi Ito wanted to know whether it would be safe for his family in their house in Japan.
At the time, a few days after the quake, the Japanese government wasn't releasing radiation data.
Most people would complain about the government's irresponsibility and maybe take their families on a faraway vacation. Ito got on the internet instead. No Geiger counters were available for sale. So he got in touch with a guy who made Geiger counters for Three Mile Island, a hardware hacker, and two Japanese professors working with sensors and radio isotopes.
Working together with other people from the internet and with on-the-ground volunteers, he soon found a way to take mobile radiation measurements with wireless-GPS-enabled Geiger counters.
Now, Safecast has over a million points of data. They've got institutional support. They've got non-profit status.
Ito, who remains an adviser to Safecast, is not your typical non-profit starter. Or even your typical anyone. At one point or another, Ito's been an angel investor, activist, Hollywood producer, CEO, photographer, failed entrepreneur, successful entrepreneur, blogger, design teacher, journalist, disc jockey, scuba diving instructor and more.