“Discovery is seeing what everyone else has seen, but thinking what nobody else has thought.”  (Albert Szent-Georgi) I posted a few weeks ago about the power of closely observing phenomena.

I have balloons over a fan in the lab. What do you notice and what do you wonder?

The pink balloon continues to turn clockwise, but the orange one does not turn. Why don’t they blow away? They stay approximately the same distance apart. Why? When we try to switch the position of the balloons, the pink one will switch back with the orange. What would happen if we changed the speed of the fan? It’s currently on the middle speed. Would results change if the balloon was a different size or shape? Would the orange or pink balloon act differently if we removed one of the balloons?