It is mixed for about 2 hours with some common chemicals and then allowed to cool.
VOA: special.2009.01.26
"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
And I just found some really cool words.
VOA: standard.2009.04.21
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