If you have kinds and teach them math this book has mind-opening problems that even curious adults would enjoy.
[0] https://www.imaginary.org/sites/default/files/taskbook_arnol...
[1] https://news.ycombinator.com/item?id=27884973
If you have kinds and teach them math this book has mind-opening problems that even curious adults would enjoy.
[0] https://www.imaginary.org/sites/default/files/taskbook_arnol...
[1] https://news.ycombinator.com/item?id=27884973