<ul><li>Scientists have discovered a new method using sound waves to control solid particles in liquid droplets.</li><li>This breakthrough could have applications in medical testing, drug development, and small-scale physics experiments.</li><li>The research by Chuyi Chen from North Carolina State University focuses on using ultrasound waves to spin liquid droplets and concentrate particles inside them.</li><li>This new method allows researchers to gather particles in liquid without filters or chemicals, offering potential benefits in various scientific fields.</li></ul>

Scientists find new way to control solid objects in liquid

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