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Science & Inventions

A tube made of sound carries water through the air

7 min · A2 · Elementary · Oct 28, 2026

On October 20, 2026, the University of Helsinki shared news of a tube made of sound from 256 small speakers.

Scientists in Finland made a tube out of sound. Water can flow through it in the air. The tube has no walls of glass or plastic. The University of Helsinki shared the news on October 20, 2026.

Sound travels through the air in waves. These waves can hold and move small things. In the new machine, 256 small speakers sit in a ring. Their sound holds a thin stream of water in the middle. The sound is too high for people to hear.

Word in this story

streamnoun

A thin line of water or another liquid that keeps flowing.

Their sound holds a thin stream of water in the middle.

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