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simurgh


RADIOACTIVE


Nuclear fallout From Wikipedia, the free encyclopedia

 (Redirected from Radioactive fallout)

"Fallout" redirects here. For other uses, see Fallout (disambiguation).

Nuclear fallout, or simply fallout, also known as Black Rain, is the residual radioactive material propelled into the upper atmosphere following a nuclear blast or a nuclear reaction conducted in an unshielded facility, so called because it "falls out" of the sky after the explosion and shock wave have passed. It commonly refers to the radioactive dust and ash created when a nuclear weapon explodes, but such dust can also originate from a damaged nuclear plant.

This radioactive dust, consisting of material either directly vaporized by a nuclear blast or charged by exposure, is a highly dangerous kind of radioactive contamination.


sajjad mohammadnejad