Neon lamps are fun to play with. These old-school indicators were once heavily utilized in many types of equipment for indication purposes but now seem largely relegated to mains voltage ...

To get a neon light to illuminate a few modifications to the standard joule thief are needed. First, the windings have to be changed from 10:10 to 10:80 to increase the voltage across the bulb.

vishnu":17gd8olx said: The specifics of a neon light aside, the question really seems to be "where do photons come from" in general. Photons are the force carrier for the electromagnetic force.

This Design Idea is a modernized LED version of that one. The light string is still plugged into an outlet, but that outlet is connected to a 9V battery, not the AC line. Otherwise, the operation is ...

There was this test system that comprised a huge row of equipment racks into which various items of test equipment would be mounted. Those items were a digital multimeter, an oscilloscope, several ...

A special neon and lightbulb-filled window display in a Walthamstow Village office is set to be unveiled to mark a year since the death of a famous… ...