One of the problems with being a graffiti artist is that you have to carry around a different spray can for each color you intend to use. [Sandesh Manik] decided to solve this problem by building ...

When we hear about moving objects with electricity, most of us imagine a "pulling force." Positive and negative charges ...

MIT researchers have devised new tech that can 3D print entire complex machines with moving parts in a matter of hours.

To program a garage door opener: Press and hold the program set button on the motor in your garage. Once the light changes, ...