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Barn

The barn (b) is a derived unit of area (A). The name is ironic and is derived from the English saying "he can't hit the broad side of a barn". It was coined as secretive unit during the Manhattan project. The unit is primarily used in nuclear physics.

1 b = 10-28 m2

Related unit:

Last modified:15 January 2021 12.38 p.m.
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