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“The thing doesn’t fit is the most interesting”

Richard Feynman passed on Twenty five years ago today. His legacy lies not only in physics, but (to more people perhaps), in his ability to communicate science, and the love of science. One of my favorite Feynman moments is in this video. I show it to students in a course section I teach about the […]

Awesomest Cola & Mentos yet

Yeah, yeah, Cola & Mentos videos are getting somewhat tired. Still, this one really goes overboard: Ha! Now how does the Cola & Mentos reaction work? Well, first, the Cola & Mentos thing is a physical reaction, more than  a chemical one: it happens mainly due to nucleation sites provided by the pitted surface of […]