In the past couple weeks, Katherine and I have launched no less than 5 math circles, with at least two more on the way–plus a physics circle starting in [...]
A History of Pi, published in 1971, is about two things. The first is pi, the number, and our history struggling with its baffling qualities. The second is [...]
It’s a question that bothers many parents, especially homeschooling parents. After all, being responsible for a child’s math education is a heavy load to [...]
I was talking to my brother about math and teaching the other day, and he mentioned the Karate Kid (the original). It’s a classic story of learning. And in [...]
I’ve been thinking about infinity a lot lately, and how it relates to something called the Droste Effect. It was named for the Droste cocoa box. Here’s the [...]
I’ve been so swamped with students (and the logistics that accompany them) that I haven’t had much time to post lately; too bad, because my mind has been [...]