According to Wikipedia most of the matter in the universe is in the plasma state and is not solid, liquid, or gas. This is because stars make up most of the mass of all that we can see and stars are huge balls of seething plasma. Plasma is considered by some to be the 4th state of matter. My science teachers never mentioned it. Plasma is also found in flourescent lamps, neon lights, lightning, plasma televisions and sparks caused by static electricity.

Plasma lamp

[Posted in Hamilton, Ohio]