Appreciation

A Classic Setup

Water is flowing out of Pipe A at a rate of …

I’m greatly enjoying my Penrose Magnets. And I’m following the rules this time!

In honor of Pi Day, here’s a wonderful example of student creativity: a necklace that encodes the first 80 or so digits of pi in beads!

Starting with the pendant as 3, the beads and string clockwise, in a circle, according to the following mapping:

Thus, you can read off 3.14159265358, and so on. A truly thoughtful, creative, and inspired work!

Well, it took a while, but my Penrose Magnets have finally arrived! We are going to have a lot of fun with these.

As this lovely purple flower opens and expands, it suggests a rotational symmetry about its center.