John the Math Guy

By now, I suspect that pretty much everyone has heard about the first two blog posts in this series. Everyone has been talking about them. ...

Last week, some stark raving mad heretic grabbed my blogging pen, spouting out some blasphemy about how the classical approach to process c...

Statistical process control (SPC) of color data -- specifically of color difference (ΔE) data -- can be done, but there is a bit of a twist...

I think this is just downright weird. An optical illusion with a twist. An illusion I expect many of you may have seen the clever il...

Fall is upon us. Everyone in Wisconsin is either eagerly anticipating the lovely fall colors, or are dreading the onset of Seasonal Affecti...

I think that crowdsourcing is a really cool idea. Crowdsourcing is where you ask a couple thousand of your closest friends to help you with...