Having a Christmas tree, I got requests for a menorah. I realized that programming it would be the easy part, and the only idea I had for the candles were transfer rollers. Transfer rollers are used in laser printers to

In part 1, we learned that splitting a gray scale image into a background and a transparent foreground, we need to do is solve $T=B(1-\alpha )+F\alpha $ with variables T (target gray), B (background gray), F, (foreground gray) and the

While writing my program for visual cryptography, I noticed that each pixel in a picture could gets it’s own value of an alpha transparency. While I couldn’t find a way to make it useful, I recently returned to the project

This idea started when I found out I could buy blank dice and put anything I wanted on them. This led to a wonderful journey of tests to make a magic 8-ball that gave sarcastic answers. Step 1: How do

This is almost thirty years old and I forgot I had it ’til I was cleaning up some things. Back in the day, I was renting a room in John’s first house. I didn’t have access to many resources and

One day, I saw a student gluing cardboard squares together to make a cube. It occurred to me that by using the raster and vector settings on the laser cutter, I could cut out an unfolded square and score the

This was a summer of 1993 project. In Star Trek, we only had six movies, the original series, the animated series, in the sixth season of The Next Generation and the first of Deep Space Nine. Terry helped me make