Diamonds are famous for their strength, but scientists have long suspected that another form of diamond might be even harder. Evidence of this was gathered over the past sixty years in meteorite ...
Morning Overview on MSN
Scientists forge pure hexagonal diamonds tougher than natural gems
Researchers have produced nearly pure hexagonal diamond, a material long theorized to be harder than conventional diamond, by ...
After decades of debate, researchers say that they have found the clearest evidence yet for this rare form of carbon.
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