Discover how to build a magnetic repulsion motor capable of lighting LED bulbs using only magnets and basic components. This ...

Most electromagnetic actuators are rotating motors, or some variation on the theme, like servos. However, it’s possible to do linear actuation with electomagnetics, too. [Adrian Perez] demonstrates ...

How does a wiggling groove on a rotating record transform into two-channel sonic excellence? It starts with the turntable ...

Although jet engines are theoretically quite simple devices, in reality they tread a fine line between working as intended ...