Neon lights are that kind of nostalgic item that everybody seems to love. The neon lamp is a type of gas discharge lamp, they generate light when an electrical discharge travels through an ionized gas ...

The X-rays penetrate the lamp's ceramic housing but are partially absorbed by the mercury gas in the lamp, casting a shadow in the beam. A special digital camera behind the lamp captures a ...

A DISCHARGE of electricity through a gas at atmospheric pressure generally takes the form of a luminous spark which will pass only under a potential gradient of several thousand volts per centimetre.

Today, fluorescent lamps and tubes are found in many homes and commercial buildings. These lamps are gas-discharge lamps that use electricity to excite mercury vapor. The excited mercury atoms produce ...