Military vehicles focus on four major technological aspects today: power, speed, accuracy, and stealth. The last one, stealth, is relatively new but it might be the most important component when wars are decided. If the enemy cannot see you, they can’t hurt you as easily. That is the premise behind a new technology currently being tested called Adaptiv uses hexagonal “pixels” to quickly change the outside temperature of tanks, helicopters, and even battleships to match their surroundings and become virtually invisible to heat-seaking and infrared-guided forms of attack. It can also mimic…