n the entire world currently generates. The best-developed scheme for human space travel is nuclear pulse propulsion, which the government-fund- ed Project Orion worked on during the 1950s and '60s. When you first hear about it, the scheme sounds unhinged. Load your starship with 300,000 nucle- ar bombs, de

nswers, and instead of solving equations the way other people did, he just wrote down the answers by looking at the pictures." He also talks about Project Orion. Summing it up as 'You take a huge space ship, large enough to carry a few hundred nuclear bombs. and you'd throw the bombs out of the back one at

), =IT, Computer Science and Artificial Intelligence Lab; Founder, Chairman =nd CTO of Rethink Robotics. • George Dyson, Science Historian; Author, Project Orion; =uring's Cathedral • W. Daniel Hillis, Physicist, Computer Scientist, Pioneer in =assively parallel computation; Chairman of Applied Minds, Inc.; A

ter for Human-Compatible AI. George Dyson is a historian of science and technology and the author of Baidarka: the Kayak, Darwin Among the Machines, Project Orion, and Turing ’s Cathedral. Peter Galison is a science historian, Joseph Pellegrino University Professor and co- founder of the Black Hole Initiative

ter for Human-Compatible AI. George Dyson is a historian of science and technology and the author of Baidarka: the Kayak, Darwin Among the Machines, Project Orion, and Turing ’s Cathedral. Peter Galison is a science historian, Joseph Pellegrino University Professor and co- founder of the Black Hole Initiative