Back in January 1948, then-mayor of Boston, James Michael Curley, was frustrated. He worried of "perhaps disastrous flooding" from snowmelt, and endeavored to find some way--any way--of removing the snow in the meantime. So he sent a letter to MIT, hoping that the technological whiz-kids in Cambridge could come up with some way to rid the city (and even the entire state) of snow. He even offered a suggestion of his own: flamethrowers.
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.