The mining company De Beers declared almost 80 years ago that “a diamond is forever” — and now the marketing slogan has a twist for the quantum age.
The durability that made the stone sought-after in jewellery for millennia is being exploited to turn it one day into a state-of-the-art sensor allowing us to read brainwaves, navigate without satellites and diagnose diseases faster and more effectively.
This dawning era for diamonds relies on an inversion of the qualities of regularity that have long made it prized for its beauty. By introducing tiny imperfections into its highly ordered crystalline structure, scientists can make it an extraordinarily sensitive detector of subatomic quantum phenomena.
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