Whatever. With all the brain-splattering and thuggery of my gaming life, I think my wife would approve of my ignoring her in the name of getting a sprinkler to tip a bowling ball into a slingshot instead. Besides, it's good training for any entries I might want to submit to Purdue's Rube Goldberg Machine Contest. —Jacob Ward
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.