When Roy Buol stepped into the mayor’s office of the city of Dubuque in 2005, he did so with a handful of imperatives. There were the needs of his citizens, who throughout his campaign had voiced concerns on issues like public transit, green space, water quality, and recycling. There was the need to live up to his campaign message, which centered on engaging citizens as partners in the administration of the city. And then there were his private concerns about the larger world.
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.