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“Invisible Electrostatic Wall” at 3M adhesive tape plant

5 pointsby cupover 9 years ago

1 comment

ArekDymalskiover 9 years ago

Previous, huge discussion: <a href="https://news.ycombinator.com/item?id=3274335" rel="nofollow">https://news.ycombinator.com/item?id=3274335</a>