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Science

Submission + - M-Carbon: 50yro mystery solved (yale.edu) 1

slew writes: Unlike its more famous carbon cousins: diamonds and fullerenes, you've probably never heard of M-Carbon, but this form of compressed graphite which is as hard as diamonds has baffled researcher for half a century. Over the past few years, many theoretical computations have suggested at least a dozen different crystal structures for this phase of carbon, but new experiments showed that only one crystal structure fits the data: M-carbon.
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M-Carbon: 50yro mystery solved

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  • This could make for an interesting tool material, especially as its harder than diamond and could be cheaper to make in time.

    Also makes me wonder - will there be a new material discovered if they compressed supercooled carbon?

Quantity is no substitute for quality, but its the only one we've got.

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