Joe Rowing @jrowing.com · Dec 16

I am pleased to report that Physics and science teaching in Seychelles is awesome. I've been up to all sorts of tricks in physics chemistry and biology, some old, some novel. Favourite thing recently? using thymolphthalein in agar as a way to investigate diffusion. Wayyy clearer than phenolphthalein

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All Things Physics · Dec 16

Can you provide a little more detail? Most diffusion demonstrations aren’t actually diffusion, and I’d love to have a good one at my fingertips.