The XOS powered exoskeleton amazed by turning 200 pounds into 20 for the sack of jelly and sticks wearing it. The XOS 2 is stronger, uses half as much power and it's lighter—light enough to play soccer in:

I kind of can't wait to see the World Cup in 20 years with these things. Americans might have a chance, though the game might look more like Mario Strikers. [Raytheon]