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Interview: Why diamonds may be a computer's best friend


We recently sat down with Adam Khan of Diamond Quanta – the company that wants to replace the silicon chip with ones made from diamond. We discussed the reason for this glittering idea, the challenges it presents, and the implications of the technology.

In line with Moore's Law, the number of transistors on a single chip doubled roughly every two years with a commensurate rise in computer power and drop in prices. That may seem like replacing plastic in your house with solid gold, but there's method in this seeming madness – as well as the promise of not only more advanced computers, but ones that work more efficiently and can even operate in high-temperature environments that make modern chips very unhappy. Despite this challenge, diamond’s properties, like high power conductance, fast switching speeds, and superior thermal management, make it the ultimate wide-band-gap semiconductor.

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