4 ms·Polywell reactors have been doing D-D fusion since 2005, and measuring very few neutrons produced.by sp332 4y agoPolywell reactors have been doing D-D fusion since 2005, and measuring very few neutrons produced.foobiekr 4y agoIs polywell dead? So little news.sounds 4y agoSeems they concluded that it doesn't scale up. Can't find the source now.