A conversation about the mathematics of chemistry inspired by a pencil, plus a chat about approximation. Presented by Katie Steckles and Peter Rowlett.

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Love the podcast, and thanks for finally teaching me what a mole is.

However I think youâ€™ve used $ {\pi d^2} $ instead of $ {\pi r^2} $ for area, which would make calculations off by a factor of 4 ish? That might push it into a different order of magnitude.