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3D-printed noise cancelling structures | Better HN
3D-printed noise cancelling structures
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(sciencedaily.com)
8 points
neworbit
7y ago
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SkyAtWork
7y ago
I wonder how often this would need to be physically replaced/maintained. And for that matter what size is required - would this work for unpowered earplugs / would it be better than conventional foam earplugs?
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