Materials and nanotechnology: highlights of 2021
Physics World
DECEMBER 23, 2021
The world produces than 40 million tonnes of electronic waste each year, yet only about 20% of this e-waste is recycled. It involves vaporizing metals a flash chamber by applying a brief (less than 1 s), intense pulse of electrical current to the waste, rapidly heating it to 3400 K. Urban mining gets quicker and cleaner.
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