510KiB, 1080x882, Screenshot_20200111-142211_Chrome.jpg View SameGoogleiqdbSauceNAO fusion Sat 11 Jan 13:22:56 2020 No.11293758 ViewReplyOriginalReport Quoted By: >>11293763 >>11293770 >>11293823 >>11293834 Can someone explain how can fusion reactors produce more energy than they need? Stars get the energy required for fusion from their sheer mass but how can we possibly get more energy than we input into it?