[Jim] loves gyros – not those newfangled MEMS devices, but old-fashioned mechanical gyroscopes. His obsession has pushed him to build this gyro stabilized two wheeler. We love watching hacks come ...

Check it out! When the wheel isn't spinning, it's easy to tilt it from side to side. But when the wheel is given a spin, its forward momentum resists side to side movement. Try it yourself. You'll ...