this post was submitted on 16 May 2024
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602
Hearing is be-leafing: Students invent quieter leaf blower (hub.jhu.edu)
submitted 5 months ago by [email protected] to c/technology
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[–] [email protected] 30 points 5 months ago (1 children)

The wording is comically awkward and imprecise. But if I had to guess, they figured out a way to fiddle with how the air is routed through the secondary portion such that the emitted noise is phase-shifted to cancel out the frequencies they’re targeting.

[–] [email protected] 13 points 5 months ago (2 children)

Seems baffling

[–] Tyfud 4 points 5 months ago

Eeeeeeeeeeyyyyyy

[–] [email protected] 2 points 5 months ago

But you can’t deny it has a certain flow to it