Just about everywhere you go, there’s a reed switch nearby that’s quietly going about its work. Reed switches are so ubiquitous that you’re probably never more than a few feet away from one ...

[Lucid Science] shows us how to make some simple reed switches. Reed switches are simple components that detect a magnetic field and can close or open a circuit once detected. While not really a ...

Witness the experiment, we elevate the classic Lego concept by creating a completely silent, levitating fan using magnets and a simple circuit. A reed switch detects magnetic fields and sends pulses ...