Despite high hopes, the NASA-sponsored Space Elevator Games failed to produce viable space elevator technology for the third year in a row. The event concluded this morning with no winners in either the robotic climber or the vertical tether competition, and our SEGWIN stock was delisted. The value of the stock—trading at $30.75 prior to its halt—dropped to $0.
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.