Saiko Yokozeki holds a a Geiger counter as she plays with her children at a playground nearby her home in Tokyo March 3, 2012. Becquerels and sieverts are part of everyday vocabulary, Geiger counters are household items in parts of the country, saving electricity has become a year-round activity and the myth of clean and safe nuclear energy is dead. Picture taken March 3, 2012. To match Insight JAPAN-TSUNAMI/CHANGE REUTERS/Kim Kyung-Hoon (JAPAN - Tags: ANNIVERSARY DISASTER SOCIETY)