Uno: Hot Wheels on One Wheel

Ben Gulak of Toronto, Canada with the "Uno," which he invented at age 18.  

Ben Gulak of Toronto was the first person to roar down the street on only one wheel. Gulak invented the world’s first “unicycle” motorbike when he was 18. The bike, which he calls the Uno, actually uses two wheels placed side by side giving it the illusion of being a powered unicycle, though easier to balance and ride. The Uno is powered by the same electric and gyroscopic technology used by Segway scooters. Gulak was inspired to make the bike a zero-emissions vehicle after visiting China and seeing that the sky was constantly covered in smog, The Daily Mail reports.