(Phys.org)—Researchers have finally answered a question that has eluded scientists for years: when exposed to moderately high pressures, why does graphite turn into hexagonal diamond (also called ...

Pressure makes diamonds, but according to recent findings, there may also be a much quicker, hassle-free way. A team of researchers at Stanford University has stumbled upon a new way of turning ...

Carbon can exist in a form halfway between graphite and diamond, say researchers in China and the United States. And they believe this stuff is as hard as diamond itself. Yanming Ma of Jilin ...

Diamonds are forever, and so is their extreme hardness. But unlike diamond, a bizarre form of carbon can change its properties, going from squishy to hard and back again, if pressure on the material ...