Observations on nodal and loop analysis that can save a fair amount of scribbling of equations when using Kirchhoff's laws. In a previous Idea for Design, Anshi Chen outlined a method for analyzing ...

Anyone can teach themselves the famous "flat loop" by following some basic formulae, says Dr Pierre-Thomas Brun, of EPFL in Switzerland. He showed off his "cowboy physics" skills at the American ...

Did you ever wonder how to calculate the stability of an op amp circuit? Put the wrong compensation network into the feedback loop, and you’re got an attenuator or, worse, an oscillator. It’s not ...

"Cowboy Craig" Ingram's tricks in super-slow motion. A maths equation for a spinning lasso stunt performed by cowboys and cowgirls has been unravelled. By studying trick roping as a science, a French ...