Viewing profile — dondraper

Here is a direct link to his webpage http://www.khanacademy.org/ he seems to have quite a variety of subjects

I think the per-capita exposures figure was simply to give a sense of scale not to obscure the figures. Do you have a source that backs that claim?

>In the aftermath of the accident, investigations focused on the amount of radiation released by the accident. According to the American Nuclear Society, using the official radiati…