c***c
发帖数: 21374 | 1 今天看这个，觉得放射性元素辐射这个东西实在可怕
http://www.youtube.com/watch?v=2G422z8pDn4
This is the sequence of the nuclear criticality accident from "Fat Man and
Little Boy" with John Cusack. This storyline was based on two real accidents
that occurred early in the US's nuclear weapons program that killed two
brilliant scientists.
What happened was that he was checking the neutron flux, keeping the two
halves of the plutonium core seperated with a screwdriver. The blocks around
the sphere are tungsten carbide, a neutron reflector, and not lead. When
the two halves went together, it achieved critical mass and emitted a huge
surge of neutron radiation. The blue glow was caused by the air itself
becoming florescent, like in a neon bulb. The doctor comments that he got
over a thousand rads, and 600 is enough to kill. As brutal and horrifying it
is, this is how one would die if they recieved that much radiation. One of
the two scientists this was based on lingered for 26 days before dying, his
skin peeling off dead and his internal organs shutting down. | z**n
发帖数: 22303 | |
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