To Be a MachineBy: Mark O'Connell This gonzo journalistic exploration of the Silicon Valley techno utopians pursuit of escaping mortality is a breezy romp full of colorful characters. New York Times Book Review Transhumanism is a movement pushing the limits of our biologyof our senses, intelligence, and lifespanswith technology. Its supporters have reached a critical mass and now include some of the biggest names in Silicon Valley and beyond, among them Peter Thiel,