In the world of materials, strength (the amount of force a substance can
withstand) and toughness (its capacity to resist fracturing) are not
merely different attributes; they're very difficult to achieve together.
Now a collaboration of researchers from Caltech and the Department of
Energy's Lawrence Berkeley National Laboratory has created a form of
glass that has both qualities. It's stronger and tougher than steel or,
indeed, any other known material. The material features palladium, a
metal whose possible use in glasses was recognized 45 years ago.
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