You can send it into buildings where hostages are being held, then move it from room to room as it transmits video via its miniature camera. Sleek and unobtrusive, the gadget can slip under furniture ...

Alan Bignall, chief executive officer of ReconRobotics, controls a reconnaissance robot in Eden Prairie, Minn. MINNEAPOLIS — At first glance, the Recon Scout IR looks like a small dumbbell. But even ...