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Scientists successfully replicate historic nuclear fusion breakthrough three times
(edition.cnn.com)
This is a most excellent place for technology news and articles.
Researching this doesn't prevent renewables being researched or rolled out? I think the nuclear scientists developing this might be better researching this as opposed to researching fission reactors or researching renewables as this is likely their area of expertise.
Fusion is a long shot but if it was achieved it would be world changing (hopefully for the better)