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Cerium oxide is an important component of glass polishing powders and phosphors used in screens and fluorescent lamps. It is also used in the flint (actually ferrocerium) of lighters.
Scientists have created glass tougher than steel out of five elements, including the rare metal palladium. Dr Robert Ritchie, a material scientist at the U.S. Department of Energy, said: 'The result is that glass undergoes extensive plasticity in response to stress, allowing it to bend rather than crack.Weâre bucking the trend here and pushing the envelope of the damage tolerance thatâs accessible to a structural metal.'. Initial samples of the metallic glass were micro-alloys of palladium with phosphorous, silicon and germanium that yielded glass rods approximately 1mm in diameter.