Piezofluorochromism, the phenomenon of materials reversibly changing their fluorescent color when pressure is applied, is ...
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How to make an oxygen generator (MnO2_H2O2 method)
In this video, I demonstrate how to make an oxygen generator using manganese dioxide (MnO2) and hydrogen peroxide (H2O2) Angry protesters throw snowballs after US immigration officer kills driver in ...
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