BruceHH:
Matt and Hex Puzzle
BruceHH:
Katherine and Matt and Rings
BruceHH:
Matt Deep in Thought
BruceHH:
Katherine and Dan 1
BruceHH:
Blurry Matt
BruceHH:
Alison and Matt Ponder Puzzle
BruceHH:
Matt rolling weight
BruceHH:
Matt and Katherine and Mirror
BruceHH:
Katherine watches smoke
BruceHH:
Inventor in Training
BruceHH:
Katherine deep in thought
BruceHH:
Matt works on a project
BruceHH:
Matt and the bubble
BruceHH:
Katherine and Matt examine probabilities
BruceHH:
Matt 1
BruceHH:
Outside the Exploratorium 2
BruceHH:
Katherine in action
BruceHH:
Outside the Exploratorium
BruceHH:
Outside the Exploratorium 5
BruceHH:
Outside the Exploratorium 3
BruceHH:
Outside the Exploratorium 4