Forget hacking an easy button, grab a couple of those outdated CD-Rs and build your own switch for that next project ... with the other and complete the circuit. So easy, yet we never thought ...

Adding more batteries to a simple circuit will increase the electrical ... That means it has no gaps. You can use a switch in a circuit to create a gap in a circuit. This can be used to switch ...

Researchers have uncovered a surprisingly simple brain circuit involving just three neurons that may be key to understanding ...