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A comment on Try this at home - science experiments for everyone.

Re:Try this at home - science experiments for everyone by jgrahamc on Tuesday May 01, 2012 @06:16AM (#3913664)
Great stuff. Here's another home experiment: disappearing ink.

http://blog.jgc.org/2012/03/fun-with-phenolphthalein.html

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Re:Try this at home - science experiments for everyone by Angostura on Tuesday May 01, 2012 @08:28AM (#3913977)
Worth noting; phenolphthalein is a powerful laxative. Wash your hands carefully.
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Re:Try this at home - science experiments for everyone by __float on Tuesday May 01, 2012 @05:24PM (#3916438)
We used phph all the time in chem classes...funny no one ever mentioned that. Though with a group of high school students, perhaps it was for the better. Nice to know, thanks.
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