In 1982, Daniel Shechtman, an Israeli materials scientist, was first to spot
a new type of irregular crystal, known as a quasicrystal. Unlike conventional
crystals that have a regular repeating pattern to their member atoms, in
quasicrystals the pattern is ordered but doesn’t repeat. Since Shechtman’s
discovery, hundreds of quasicrystals have been discovered, most of which are
alloys of two or three metals
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