The rubbery and soft nature of a tennis ball makes for incredible slow motion videos.
![The Incredible Slow Motion Video Of A 142mph Tennis Serve Shows The Ball Turning To Goo_Image 1](http://wonderfulengineering.com/wp-content/uploads/2016/07/The-Incredible-Slow-Motion-Video-Of-A-142mph-Tennis-Serve-Shows-The-Ball-Turning-To-Goo_Image-1-610x343.jpg)
As a tennis racket hits the optic yellow ball, it turns into a flattened sludge. Unbelievably, the slower the video runs, the more goo-like are the tennis balls.
![The Incredible Slow Motion Video Of A 142mph Tennis Serve Shows The Ball Turning To Goo_Image 2](http://wonderfulengineering.com/wp-content/uploads/2016/07/The-Incredible-Slow-Motion-Video-Of-A-142mph-Tennis-Serve-Shows-The-Ball-Turning-To-Goo_Image-2-610x320.jpg)
At a point in the video, the tennis ball flattens itself so that it literally disappears inside the tennis racket. Watch the incredible slo-mo video below: