Today in Science History – First Man Made Diamonds

Today in Science History – First Man Made Diamonds

February 16, 1953, diamond crystals, the size of grains of sand, were produced in Sweden in a high pressure press by subjecting graphite to 83,000 atmospheres pressure and about 2000°C.

Borazon Created

Borazon Created

February 12, 1957, the General Electric Company (U.S.) announced that Borazon, a material hard enough to scratch diamonds, had been made. Dr. Robert H. Wentorf, a research scientist at had.

Insulin Treatment for Diabetes

On February 11, 1922, the use of insulin to treat diabetes in a dog was announced in their first paper published on the subject by the Canadian surgeon Frederick Banting.

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