This modular coil is intended to be used in motor and generator applications, and features a 3D printed structure to wind your copper about as well as a series of ferromagnetic machine screws and ...

Researchers have created a new type of electricity generator that uses falling water droplets more efficiently, thanks to groundbreaking 4D printing techniques.

It’s designed to be part of a package with another turbine but makes a very acceptable stand-alone generator. The arms have large scoop-like 3D-printed vanes and drive a vertical shaft up the ...