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Hey everyone! When I was in high school, I found our classroom periodic table illegible, and designed a new, beautiful poster as a gift for my favourite science teacher.
I've since created a few additional posters (Lewis dot diagrams, pH indicators...), and finally got around to launching a mini-store so other teachers can get them for their labs.
You can find them at http://periodic.press — can't wait to hear your feedback & ideas for more useful products!
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Like your pH indicators
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