Spreading science

This is a collection of short articles about miscellaneous science topics.

Mathematics

Proof for the Pythagorean theorem and the law of cosines - proof is given for those two theorems based on simple geometric arguments. Read on the wiki or download the PDF.

Physics

Split operator method - a method to numerically solve the time-dependent Schrödinger's equation. Read on the wiki (with extra video content) or download the PDF.