The Curious Life of Saint Pudalia
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The desire for knowledge, like the thirst for riches,
​increases ever with the acquisition of it.

Update on Russian Chemistry Wheel

8/21/2016

 
Regarding the Russian wheel of a couple of days ago, my friend Mike (who knows some Russian) says:

​Looks like basic chemistry. It could have been used in high school or a introductory college course. One side shows solubilities of salts. The cation Cu+2 (in window at the top) couples with various anions to make salts, and the window below it shows P for highly soluble, M for weakly soluble, and H for insoluble. Below that, there's a Ph scale, and a ranking of elements in order of activity strength. On the other side, periodic-table facts are displayed for the selected element.

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