news.mit.edu/2021/water-jet-droplet-injections-0818
A study by MIT and University of Twente researchers involves firing small jets of water through many kinds of droplets, using high-speed cameras to capture each watery impact — similar to the famous strobe-light photographs of a bullet piercing an apple, pioneered by MIT’s Harold “Doc” Edgerton. The results may help engineers develop a way to inject drugs without needles.
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