what is plasma

From the FAQ:

What is the difference between LCD and Plasma screens? Are they the same thing?

LCD (Liquid crystal displays) and Plasma screens use completely different technology, and have some of the following differences:

LCD displays are used for things such as microwaves, digital watches, laptops etc.
LCD displays are also thinner, have smaller screens than Plasma, and have a better viewing angle.
LCD TV's don’t suffer from “Burn In”.

What is a “Burn In”?

A “Burn in” is what occurs when an image displayed on a plasma screen is in the same place for too long a time . This usually involves images such as logos of certain channels which remain on the screen.

Quick Glossary
What is Plasma ?

LCD or Liquid Crystal Displays
Technology with high quality images and slim designs mostly used in digital watches and laptop monitors.

Plasma
What is plasma - Gas used to light the many bulbs in plasma screens. This gas is made up of equal numbers of free electrons and positive ions in approximate equal numbers.

Resolution
The size of the images seen on computer displays and other TV screens. The higher the resolution, the better the picture quality and clarity of the images.

Widescreen
Displays which let you view at a ratio similar to that in the cinema, 16:9, whereas standard TVs only offer a 4:3. view.

From the FAQ:

Quick Glossary What is Plasma ?

Quick Glossary
What is Plasma ?