Harder than diamonds?
Researchers create new material that may be world’s hardest
By Sid Perkins, 13:50 PM October 22, 2012
Diamonds have long been considered the world’s hardest material. Scrape one across any surface, and it will leave a scratch. Press one into any surface, and it will make a dent. But the prized mineral’s record status now appears in peril: Researchers have created a new material that may be even harder than diamond.
Key to the team’s success: Pressure. Lots of it, explains Lin Wang, who works for the Carnegie Institution of Washington in Argonne, Ill. As a materials scientist, Lin studies ...
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