Meet AlphaDog, the terrifying robot horse the military's building

Remember Boston Dynamics' robotic pack mule Big Dog? The researchers have revealed the next generation of their mechanical quadruped, Alphadog. This remote-controlled equine machine is designed to carry 400 lbs of payload on 20-mile treks over uneven terrain. The primary benefit of Alphadog is that it's way quieter… » 10/01/11 8:00am 10/01/11 8:00am