By Doug Gross, CNN
(CNN) -- Growing up, physicist Michio Kaku had two heroes. The first, predictably enough for the man who co-founded a branch of string theory, was Albert Einstein. "Second?" he said. "I used to watch 'Flash Gordon.' " Kaku, author of the new book "Physics of the Future: How Science Will Change Daily Life by 2100," combines those two loves on the Science Channel, where he hosts "Sci Fi Science" and a tech-themed segment introducing reruns of sci-fi series "Firefly," which airs at 10 p.m. ET Sundays...[continued]
