Boral, a composite material consisting of boron carbide crystals in alumnium with a
cladding of commercially pure aluminum. Uses are reactor shields, neutron curtains,
shutters for thermal curtains, safety rods, containers for fissionable material.
Brian T Adams
Most popular radiation shielding.
Atomic number (82), is one number below radioactive atomic numbers.All atomic number higher then 83 are radioactive.
A thin sheet of gold will also shild from radiation.
Coal has minute quantities of radiation and is said to shield the earth from radiation
escaping in to the air from containing it in the earth, rather than escaping when coal mines
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