When we first laid eyes on the Sarcos XOS military exoskeleton three years ago, its sheer power and dexterity left us in awe but as you can see immediately above, that wasn't enough for Raytheon. Today, the defense contractor's unveiling the XOS 2, a lighter, stronger robotic suit that uses 50 percent less power, and more importantly doesn't need to be tethered to a generator to drop and give us several hundred pushups. A press release after the break doe
