Sonic cleanup: using sound to capture ocean microplastics

aerial shot showing ocean microplastic and plastic pollution in indonesia

Researchers in Indonesia have developed an innovative way to remove microplastics from water without the need for expensive filters.

It works, says Dhany Arifianto, an engineer at the Institut Teknologi Sepuluh Nopember in Surabaya, Indonesia, by passing contaminated water through a pipe, while underwater speakers make the pipe vibrate like the sound board of a guitar.

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