July 6, 2022
On this date in 1687, Isaac Newton published his work Principia, which is thought to have formed the foundation for modern physics. In this piece, Newton writes about the laws of motion and his law of universal gravitation. It was this work that helped to confirm Kepler’s laws of planetary motion.
A first edition copy of Newton’s Philosophiæ naturalis principia mathematica. This copy was hand annotated by Newton himself. The entire book has been digitized and is available via Cambridge University Library. Image credit: Cambridge University Digital Library
