I thought the winter solstice would be an appropriate time to make another one of these graphs, and here it is.
To build this graph I collected about 40,000 thumbnails of photos that have been tagged “Sunset”.
I positioned each thumbnail horizontally according to the day it was taken, and vertically according to the hour it was [...]

After having used a Windows machine for my principal desktop machine for the past 7 years, I am glad to say I’m back to using a Mac for my main machine, as I did for most of the 90s. One of my favorite tools on my new Mac is Quartz Composer, which makes it [...]

An amazing tuba solo which includes electric-guitar like effects.

Barbara Katz sent me this link to a whiteboard that has been preprinted with a Sudoku grid, suitable for solving the puzzles here on my site.
Coooooool….