It was in another comment: https://ieeexplore.ieee.org/document/9714188 | Hacker News

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cjg on April 27, 2022 | parent | context | favorite | on: MIT researchers develop a paper thin loudspeaker

It was in another comment: https://ieeexplore.ieee.org/document/9714188

layer8 on April 27, 2022 [–]

Paywalled though.

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