Earlier this year, a Russian media mogul named Dmitry Itskov formally announced his intention to disembody our conscious minds and upload them to a hologram--an avatar--by 2045. In other words he outlined a plan to achieve immortality, removing the human mind from the physical constraints presented by the biological human body. He was serious. And now, in a letter to the members of the Forbes World’s Billionaire’s List, he’s offering up that immortality to the world’s 1,266 richest people.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.