ELI5: Explain Like I'm 5

Nanofluidics

Nanofluidics is a branch of science that deals with very small amounts of liquid. Scientists study how liquids flow through super tiny channels that are just billionths of a meter in size. By controlling the flow of these liquids, we can do things like test how certain substances cause diseases, purify water and other liquids, and make tiny tools for medical use. Nanofluidics is an important part of research and technology that allows us to do amazing things that were impossible before.
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