Solid, liquid, gas and … plasma? - Michael Murillo

source: TED-Ed     2015年7月28日
View full lesson: http://ed.ted.com/lessons/solid-liqui...
Have you ever seen static electricity cause a spark of light? What is that spark? What about lightning, the Northern Lights, or the tail of a comet? All of those things and many others – in fact, 99.9% of the universe -- are made of plasma. Michael Murillo gives the full picture on plasma.
Lesson by Michael Murillo, animation by Tomás Pichardo Espaillat.