Had some fun sharing the book @ jodi and I are writing with a nephew who is taking pre-calculus next year. Not really sure what he thought about it, but there is no arguing that he's glimpsed the importance of calculus to the ongoing search for dark matter's constituents. https://chirp.cooleysekula.net/attachment/650ddb541fe42d74112511875b8ce4f99c97045de2ad369ea4755d2de671ce13/view