If you touch the surface of a pool of water, ripples emanate outward from the disturbance. The same thing happens when you hold up your hand in front of the screen of interactive equipment developed at the University of Wisconsin-Milwaukee.
René Steinke, who earned her doctorate in English/creative writing from UWM in 1993, is gaining increasing recognition for her novels.
Rust-Oleum had a problem. When the paint and coatings manufacturer sent paints by container ship to far-off markets like Indonesia or Australia, the paint could settle and harden in transit, rendering it unusable and resulting in lost profits.