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We live in a radioactive world – humans always have. Radiation is part of our natural environment. We are exposed to radiation from materials in the earth itself, from naturally occurring radon in the air, from outer space, and from inside our own bodies (as a result of the food and water we consume). This radiation is measured in units called millirems (mrems).
The average dose per person from all sources is about 620 mrems per year. It is not however, uncommon for any of us to receive less or more than that in a given year (largely due to medical procedures we may undergo). International Standards allow exposure to as much as 5,000 mrems a year for those who work with and around radioactive material.
For an interactive version of the Dose Chart which is based on the internationally recognized units (Sieverts and millisieverts) go here.
There have been many famous scientists and discoverers in nuclear history. Here is a brief history of those who have paved the way.Learn More
Center for Nuclear Science and Technology Information of the American Nuclear Society
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