How a single chemical droplet becomes a "motor"

4,446 views · Published 4 January 2018 · 2:02 · Indexed 20 September 2026

Channel: Quartz · 2018 · Science & Technology

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Those paper fish are actually miniature robots powered by the “Marangoni effect,” which can make chemical droplets spin like motors on water. 

It might sound insane, but you’ve seen the effect before, and researchers think it could be a new way to create clean energy.

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