The Madhava-Leibniz series, developed by the Indian mathematician Madhava of Sangamagrama (c. 1350–1425) and independently by Gottfried Leibniz around 1674, represents pi as an inf...
Madhava of Sangamagrama, Gottfried Leibniz
Smallpox inoculation (variolation) was introduced to the American colonies in 1721 by Onesimus, an enslaved African man, who shared the technique with Cotton Mather, having learned...
Onesimus, Cotton Mather
Pangea, the most famous supercontinent, formed about 300 million years ago during the Permian period and began to break apart around 180 million years ago during the Jurassic, sett...
Alfred Wegener (continental drift theory)
The 'Euler buckling formula' (1757) predicts the critical load at which a slender column will buckle rather than simply compress, a vital consideration in structural engineering.
Leonhard Euler
The 'Mineral 'Magnetite'' (iron oxide) is a naturally occurring magnetic mineral that aligns with Earth's magnetic field when it forms, providing a crucial record of paleomagnetism...