Running on a treadmill is a great way to workout, but what if the effort you put in could be put to use? This treadmill generator from [Amitabh Shrivastava] does just that. The build starts with a ...

The Assault AirRunner is unlike anything else on our list of the best treadmills. Its non-motorised design and ballbearing-powered curved running deck respond to user input, meaning flitting ...