We live in a cosmic sea of radiation...
What can a geiger counter teach us?
What hidden secrets can a geiger counter reveal?
How can a geiger counter protect us?
This PBS News Story covers Safecast, an organization mapping radiation data levels in Japan and Beyond, and explains what their mission is. Click here for video Safecast is deserving of support in their important work. We encourage donations to Safecast, if you would like to make a big difference for Japan. Click here to visit Safecast
The Fukushima nuclear disaster released twice as much of a radioactive substance into the atmosphere as Japanese authorities estimated, reaching 40 percent of the total from Chernobyl, a preliminary report says.
The estimate of much higher levels of radioactive cesium-137 comes from a worldwide network of sensors. Study author Andreas Stohl of the Norwegian Institute for Air Research says the Japanese government estimate came only from data in Japan, and that would have missed emissions blown out to sea.
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