In January I wrote a piece titled “ 5 Physics Equations Everyone Should Know .” Lots of you weighed in with your own ...

Conversion of Units: Unit conversion is a multi-step process that involves identifying the starting and desired units, finding the appropriate conversion factors, and strategically using ...

I had planned for part 2 of this series about π to be about the classical area formula for the circle, but then something new came up. Well, by new I mean a new proof of something old, and it's a ...