This 37-inch tire can take the explosion of an IED along with a few rounds of rife fire and still haul an armored Humvee out of a battle at 50mph. Completely airless and supported by a honeycomb-inspired series of hexagons, the tire's structure can distribute weight loads evenly while taunting the enemy that it doesn't even require a hubcap (unlike Michelin's Tweel). The tires are expected to teach the military by 2011 when they're promised to carry comparable costs to current models. [CNET]