Today is Pi Day. 3rd month, 14th day. It's not the 314th day of the year; that’s November 10th. We’re talking about old Albert Einstein’s birthday, 3/14. It’s even older than Archimedes’s number (250 ...

Many years ago, I worked with my daughter on her science fair project built around a modified CMUcam that was originally developed at Carnegie Mellon University. She modified the code so that it ...

I'm sure you're familiar with the inexpensive Raspberry Pi single board computer. I have ten or so of them doing all sorts of specialized tasks around the workshop and Fab Lab. As of February, ...