For every action, there's an equal and opposite reaction

Translation: "Tommy looked at me. So I punched him."

Off to King's Dominion for Math & Science Day With Fisher 3rd & 4th Graders. Woohoo - the Physics of rollercoasters, the Biology of upchucked hotdogs, soda and cotton candy!

And the study of working groups of [junior] humans jostling to get their jollies at any cost, minus the mahogany panelling and leather chairs. Reports from the field to follow.