Puryear's Ladder

Here in New York for a collaboration meeting and, soon, Thanksgiving. Aside from old friends, fine food (and the exchange rates), a highlight was MOMA’s Martin Puryear exhibit, and, particularly, “Ladder for Booker T. Washington”:

Next up, the Auger observatory, cosmic rays, and the GZK Cutoff. And maybe Sesame Street and my new iPhone.