#73

This Metallic Glass Is Super-Tough

Introducing, SAM2X5-630.

RELATED TAGS: MATERIALS SCIENCE
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In her lab at the University of Southern California, Ph.D. student Gauri Khanolkar carefully placed a sample of a new material called SAM2X5-630 in front of the barrel of a propellant gun. Created by her collaborators, the sample was shiny, about the diameter of a quarter and appeared to be metallic. But inside, its atoms were disorganized, the way they are in glass. Khanolkar left the room; even from outside, she could still hear the “pop!” of a bullet slamming into the sample. W...
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