Major Geological Events Seem to Follow a Rhythmic Pattern of 27.5 Million Years, Researchers Call It Earth’s ‘Pulse' Dozens of major geological events over the past 260 million years, from sea level ...

We’ve seen many graphical and animated explainers for the Fourier series. We suppose it is because it is so much fun to create the little moving pictures, and, as a bonus, it really helps ...

A mathematical theorem stating that a PERIODIC function f(x) which is reasonably continuous may be expressed as the sum of a series of sine or cosine terms (called the Fourier series), each of which ...