Benjamin Franklin and His Magic Squares
Posted by: Nate Smith
This founding father spent dull meetings creating these math puzzles!
Posted in: Mathematics
Archive: May 2022 (2 Posts)
A Visual Approach to 19th Century Chemistry
Posted by: Nate Smith
This chemistry book from 1857 not only describes chemical reactions, it shows them with beautiful illustrations!
Posted in: Chemistry, Favorites From the Fifth Floor, History of Science and Technology, Science