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here is alkali metals as they react with water.. for real! not fake :)
If you like Cesium like I do, I have some interesting pictures on my wiki page you might like:
http://en.wikiped ia.org/wiki/User:Dnn 87
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I saw this on Braniac, and recreated it. I do not claim ownership of any of these ideas. What I am showing is merely my own recreation of it to see if other people perform similiar to me.