Ray Kurzweil has stated (as recently as 2008) that in eleven years (in 2028), all of mankind's energy needs will be supplied by solar power. This will obviously

Ray Kurzweil has stated (as recently as 2008) that in eleven years (in 2028), all of mankind's energy needs will be supplied by solar power. This will obviously not be true. Predictions are difficult, especially about the future. As for Aubrey de Grey, he can state whatever he wants to, but that doesn't make it true. It is, however, noteworthy that a scientific article published in the fairly prestigious EMBO Reports [1] concluded that "In his writings, de Grey fails to mention that none of these approaches has ever been shown to extend the lifespan of any organism, let alone humans." [1] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1371037/#__ffn_sectitle https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1371037/#__ffn_...