Feynman
Finding Derivatives of Complicated Functions According to Feynman
A Clever Way to Quickly Take Derivatives Used by Richard Feynman
Marco Tavora
Calculus
The Famous Problem of the Brachistochrone
From Newton’s “Lion Claws” to the Modern Solution
Physics
The Fascinating Mystery of Systems with Many Length Scales
An Introduction to Critical Phenomena in Physics
Physics
A No-Nonsense Introduction to the Physics of the Big Bang
An Introduction to Cosmology and the Birth of the Universe
Symmetry
Emmy Noether and One of the Deepest Observations in All of Physics
The Correspondence Between Symmetry and Conservation Laws
Quantum Physics
The Worst Theoretical Prediction in the History of Physics
Dark Energy, and One of the Most Famous Unsolved Problem in Physics
Astrophysics
Black Hole Entropy and the Laws of Thermodynamics
The Remarkable Similarities Between the Black Holes Mechanics and Laws of Thermodynamics
Number Theory
How to Prove That e is Irrational
Two Simple Proofs of the Irrationality of e
Complex Analysis
A Gentle Introduction to Analytic Continuation
How to Extend the Domain of Analytic Functions