I cannot access this article [0]. But google image search pulled this chart out [1]. It seems to suggest that several trillion dollars have already been spend o

I cannot access this article [0]. But google image search pulled this chart out [1]. It seems to suggest that several trillion dollars have already been spend on fusion over the years. [0] https://www.nature.com/articles/19368 https://www.nature.com/articles/19368 [1] https://media.springernature.com/full/springer-static/image/art%3A10.1038%2F19368/MediaObjects/41586_1999_Article_BF19368_Fig1_HTML.gif https://media.springernature.com/full/springer-static/image/...