It is mixed for about 2 hours with some common chemicals and then allowed to cool.

VOA: special.2009.01.26

"This is actually a really cool piece. It's done by the Rosete-Aranda Company.

VOA: special.2009.09.23

It is how the body releases water to cool the skin.

VOA: special.2010.07.27

"It is a place where kids can build their own social community online and they can really engage in some fun and cool scientific discovery and really allow them to turn their home into a lab if they choose to do so."

VOA: special.2010.12.28

"Just watching it carry out is really cool."

VOA: standard.2010.08.03