Gas-discharge lamp

Think of a gas-discharge lamp like a magical light bulb. Instead of using a regular filament like a normal light bulb, a gas-discharge lamp uses a special gas that lights up when energy passes through it.

It's kind of like when you rub your feet on the carpet and then touch something metal, like a doorknob - you create a tiny spark of energy. The gas inside a gas-discharge lamp does the same thing, but on a much larger scale.

When electricity is sent through the gas in the lamp, the gas molecules get excited and start to emit light. This is called "discharging." The light that the lamp puts out can be all different colors depending on the gas that is used inside.

Gas-discharge lamps are often used in things like streetlights or fluorescent light bulbs. They're more energy-efficient than traditional light bulbs, which is why you might sometimes see them in public places like parking lots or parks.

So, in simple terms, a gas-discharge lamp is a special light bulb that uses gas to create light instead of a regular filament. It's like a magic light that can be all sorts of colors!