We always want our bobbins to be full, cupboards full of fabric and the sewing machine to move fabric forward stitching all the time. Well, almost always.

I got into 3D printing with the same fantasy a lot of people do: I’d crank out clever fixes for everyday annoyances and feel ...

The tiny motor, called a liquid metal droplet rotary paddle motor, works in a completely new way. Instead of traditional, rigid components like coils or magnets, the motor produces rotation by using ...