Bio A platform for illuminating academic papers. We publish an annotated paper every week. Our chrome extension for arXiv: fermatslibrary.com/librarian Tweets 1,4K Followers 311,8K Following 4 Account created 10-09-2015 03:54:59 ID 3511430425
Buffer : The nabla symbol, commonly used in math to represent the gradient of a function ∇f, is so-called because it looks like a harp and the Greek word for the Hebrew or Egyptian form of a harp is nabla.
Buffer : Here is how you can fold a piece of paper into an ellipse: 1) Cut a circle from a regular piece of paper 2) Draw a dot inside the paper circle 3) Fold it so that the circumference falls on that point 4) Repeat this procedure using random folds pic.twitter.com/T4s3hUcIY9
Buffer : A colorized photo of the Fifth Solvay Conference on Electrons and Photons that took place in October of 1927. The worlds most notable physicists met to discuss the newly formulated Quantum Theory.
Fun fact: 17 of the 29 attendees were or eventually became Nobel Prize laureates.
Buffer : This 1585 map by Portuguese Luis Teixeira is the first document that confirms our knowledge of Earths magnetic field as a planetary effect. The lines on the map are isogones - lines of equal magnetic declination.
Buffer : Heres a curiosity: the reason why angular momentum is defined using L is most likely because of the notation for orbital angular momentum in quantum mechanics. Quantum Mechanics does influence Classical Mechanics!