In case of power outage

In the EECS building on the Berkeley campus...

Since when is 'B' a number?

Familiar territory

See, set theory is easy!

Part of an RC graph

Also known as a pipe dream. While clearly not what the original designers had in mind for these tiles, this arrangement creates a beautiful rhythm, and could even be used in Schubert geometry.

In my office for the last time

(photo credit: Isaiah Lankham)