People tend to check in during these times:
Good place to take visitors when they don't want to just do touristy stuff.
Inside the Long Now offices is a small museum. Check out its centerpiece, the orrery, a modern incarnation of the planetary models that rose popularity during the Renaissance and Enlightenment.
Listen to the chime generator. Get goosebumps.
See & learn about the 10,000 year clock
Ask Austin for a demo of the Chime Generator.