Is it an animal, vegetable, mineral, or other? So begins the interrogation from the entertaining new game from Radica USA a division of Mattel, Inc. Based on the “analog” game, 20 Questions, 20Q predicts that it can “read” your mind. And with a proven (very unscientific sampling of 10 folks) track record of 60% success, 20Q might make you think that it really is, in fact, in your head. At $9.95, these colorful Kreskin-like balls also like to add some insult to the injury with a little bit of snippy banter.—Dave Prochnow
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.