Michio Sato is professor of theoretical physics at City University of New York . The Holy Grail of nanotechnology is the replicator , a device which can create anything from almost nothing . He has spoken to scientists who discuss future technologies . Biotechnology will eventually allow us to stop the aging process , says Kaku . Nuclear fusion power could become a major player by mid - century , he says .
Michio Sato is professor of theoretical physics at City University of New York . He has spoken to scientists who discuss future technologies . Biotechnology will eventually allow us to stop the aging process , says Kaku . Nuclear fusion power could become a major player by mid - century , he says .