Injecting Drugs Without Needles: High-Speed Camera Captures a Water Jet’s Splashy Impact As It Pierces a Droplet

The results may help engineers develop a way to inject drugs without needles. Squirting a jet of water through a drop of liquid may sound like idle fun, but if done precisely, and understood thoroughly, the splashy exercise could help scientists identify ways to inject fluids such as vaccines through skin without using needles.
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