For more information about states of matter, check out the Science Trek website. You'll find it at science. States of Matter: More on Plasma. Video has Closed Captions CC.

JOAN CARTAN-HANSEN, HOST: Understanding the states of matter, how they act and react, is essential for scientists to invent or improve things.

Anyone who has sat through a third-grade science class knows there are three primary states of matter: solid, liquid and gas. Microsoft now says it has created a new state of matter in its quest ...