Beryllium was used in making fuel for reactors that produced plutonium for nuclear weapons at Hanford, and the dust in some buildings still contains particles of the element.
Beryllium is a light metal (atomic symbol: Be) with many features that make it desirable to be used for the Webb Telescope's mirrors.— SpaceRef Top Stories
Beryllium is steel-grey in color, very strong for its weight and good at holding its shape across a range of temperatures, which is just what it would encounter in space.— SpaceRef Top Stories
Beryllium is also a good conductor of electricity and heat and is not magnetic.— SpaceRef Top Stories
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