The pop-up effect: Why buoyant spheres don't always leap out of the water
Friday, November 4, 2016 - 06:31
in Psychology & Sociology
It’s a common swimming pool game: Force a buoyant ball underwater and let it go. The ball springs to the surface and jumps into the air. But, submerge the ball deeper underwater and the effect is often disappointing. Contrary to our intuition, increasing the release depth often leads to a decreased pop-up height.