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Not long ago, researchers from King Abdullah University of Science and Technology captured a magic moment with a high-speed camera: droplets of water dropped onto a special powder plane after the first rebound, instantaneously "solidified" and kept bouncing shape. Thanks to this water repellent powder, this phenomenon can completely envelop the entire droplet and maintain its shape at the moment of impact. It is worth mentioning that this phenomenon has many limitations, such as only applicable to the first impact; the minimum impact rate is 5.25 feet per second, etc. Even so, it has positive significance for water cooling technology and aircraft aerodynamics. .
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