The nitty-gritty of diamond polishing

Researchers reveal atomic secrets of an ancient art

2:23pm, November 30, 2010

You can soften your sweetie with diamonds, but to soften a diamond — the hardest material on Earth — takes some special chemistry.

New research finds that a liquidlike layer of carbon at the interface between a diamond-polishing wheel and a diamond creates the magic that turns a grubby stone into a girl’s best friend.

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