Tracking Venus and Earth over 8 years

I came about this tweet: It reminded me strongly of the waning moon and linear mod art projects that I’ve been playing with. For instance, here’s a screenshot from the waning moon (specifically y = 56x) A quick intro: the picture above was made by taking 360 points around a circle, and shifting them […]

Chaos Game

The chaos game, previously seen on Frank Noschese’s 180 blog and Jonathan Clayton’s blog Infinite Sums. I had to make this myself (deja vu?). Here’s what I made (processing 2.0): Check it out live. All these live links will probably work great on your smartphone too. Source code. Variations Random Triangle Chaos game. Click to set […]

Wonderlic Test

Wonderlic Sample Test If you’ve never heard of the Wonderlic, it’s an exam given to players entering the NFL draft every year. The Wonderlic is an exam comprised of 50 questions. Players have 12 minutes to complete the test. The average score (out of 50) is a 21. Vince Young made headlines last year when […]


From Webmaths: Pretty cool website, a bit like Project Euler, but with more approachable difficulty level: Sample Problem: The leveling up system they have could be an excellent way to get students addicted to solving some novel math problems.  There are ways (I haven’t explored them) to set up an entire class of kids […]