In this week’s episode of Science Teaching Tips, we look at my favorite thing — light. Light, like, rulez. Dude. And so does my old mentor, Paul Doherty, who will tell you one of his best stories from the history of science about how the spectrum came to be the spectrum. I mean, what the heck is indigo anyway? The answer turns out to be, like all good history of science stories, steeped in mysticism and superstition. Give it a listen, it’s a good story!
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