Technology@lemmy.worldEnglish · 2 年前

Hearing is be-leafing: Students invent quieter leaf blower

hub.jhu.edu

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Hearing is be-leafing: Students invent quieter leaf blower

hub.jhu.edu

TheReturnOfPEB@reddthat.com to

Technology@lemmy.worldEnglish · 2 年前

171

Patent-pending design by Hopkins undergrads could be available in stores within two years

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PlutoniumAcid@lemmy.world
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2 年前
No, that’s what a rake does.

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