Tiny robot stingray could swim through the body powered by ultrasound

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Published Feb 12, 2026

This little robot looks like a miniature stingray, and could be used to deliver drugs directly to your internal organs. The researchers behind it call it 'stingraybot' and it swims through digestive tracts, propelled along by a combination of ultrasound waves and tiny bubbles.

Read the paper here: https://www.nature.com/articles/s41586-025-09650-3

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Category: Documentary
Tags: science, nature video, #sciencenews

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Tiny robot stingray could swim through the body powered by ultrasound

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