Fusion gets closer with successful test of new kind of magnet


The CFS and MIT teams working on the magnet.

Credit: Gretchen Ertl, CFS/MIT-PSFC, 2021

It did this while consuming only about 30 watts of energy — several orders of magnitude less than the traditional copper-conducting magnet that MIT had tested previously, which used 200 million watts, said Dennis Whyte, Director of MIT’s PSFC and a co-founder of CFS, on a conference call with reporters on Wednesday.

Nuclear fusion is the reaction that powers the sun and the stars. It occurs when two smaller, lighter nuclei merge together to form a single heavier nucleus, releasing energy.

If fusion can be achieved on earth and commercialized, it will provide a nearly unlimited source of clean energy…


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