Nuclear fusion is considered by some scientists to be a potential energy of the future, particularly as it produces little waste and no greenhouse gases.
That would represent the first time that researchers have successfully produced more energy in a fusion reaction — the same type that powers the Sun — than was consumed during the process, a potentially major step in the pursuit of zero-carbon power. The Washington Post later reported two people familiar with the research confirmed the development, with a senior fusion scientist telling the newspaper, "To most of us, this was only a matter of time."
Fusion differs from fission, the technique currently used in nuclear power plants, by fusing two atomic nuclei instead of splitting one.