The Segway Human Transporter ($4,950) inspired talk of flying cars and endless energy when news first broke of the revolutionary transportation device. We've been testing the electric transporter since December, and while it may not fly or walk on water, it's definitely not just a fancy scooter. This intuitive ride knows where you want to go: Lean forward, it rolls forward; back, backward. Packed with the latest technology and offering an emission-free ride up to 12 mph, it ships this month. Find more great gadgets at