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Diamond are not the substance known.

Diamond are not the substance known.

hayley-jarvis
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Diamond are not the substance known.

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  1. Diamond are not the substance known. Diamonds are the hardest substance on Earth" is practically a mantra for jewelers trying to impress you with its physical properties if you're not swayed by its beauty. Too bad it's not true: while diamonds are the hardest natural mineral substance, it is not the hardest substance known to man. In 2005, physicists Natalia Dubrovinskaia and colleagues compressed carbon fullerene molecules and heating them at the same time to create a series of interconnected rods called Aggregated Diamond Nanorods (ADNRs or "hyper-diamond"). It's about 11% harder than a diamond.

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