Hackaday

Root Mean Square

The first time I was in school for electrical engineering (long story), I had a professor who had never worked in the industry. I was in her class and the topic of the day was measuring AC waveforms.
IFLScience

What Are Irrational Numbers? How Do We Know? And Why Should I Care?

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...
Hackaday

Square Roots 1800s Style — No, The Other 1800s

[MindYourDecisions] presents a Babylonian tablet dating back to around 1800 BC that shows that the hypotenuse of a unit square is the square root of two or 1.41421. How did they know that? We don’t ...
insider.si.edu

The Square Root of Two, (sculpture)

Save Outdoor Sculpture, North Carolina survey, 1994. Image on file. (Metal plaque on foundation, raised:) The Square Root of Two/William G. Richardson/Welded Steel/1982 unsigned The information ...