Sometimes you think you have a complete understanding of something and then BOOM—a simple problem throws everything out the window. Let's consider a very basic physics problem involving pushing a ...

Forbes contributors publish independent expert analyses and insights. Jeanette Hurt covers the culture of spirits, wine and beer. Physicist Álvaro Díez likes solving everyday problems with physics, ...

A 20-year-old college student has rebuilt Portal, Valve's 2007 space-bending game, from the ground up, on—wait for it—a graphing calculator. In a display that puts the old calculator versions of Mario ...

Mathematical formulas written over a hundred years ago could find an echo in the most current theories about black holes and ...