One of the primary obstacles to human colonization of Mars is the funding -- creating a habitable environment and sending humans across the gulf of space is a costly process, well beyond the exploration budgets of most nations. But Nobel Prize-winning physicist Gerard 't Hooft and Big Brother co-creator Paul Romer have a brilliant solution that will put colonists on Mars by 2023.
The key: Fund the whole shebang by turning the mission into reality TV.
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.