Blades of Progress

At Exploratorium-style science museums, exhibits are full of buttons to push and levers to slide. Many of the displays work with optical illusions. Stare at the black dots on a white background until gray false dots appear in the interstices. A concave model of a face will appear convex. Lines misbehave. It’s all about theContinue reading “Blades of Progress”

To Ride or Not To Ride?

Hypothetical situtation. I am trying a horse for sale. Seller rides horse. I decide I do not want horse. Do I get on and ride anyway? Yes Anything is Possible: I could change my mind. Highly unlikely, particularly if the horse has physical issues, but theoretically possible. Learning: It would be good practice for meContinue reading “To Ride or Not To Ride?”