TheReturnOfPEB@reddthat.com to Technology@lemmy.worldEnglish · 6 个月前Hearing is be-leafing: Students invent quieter leaf blowerhub.jhu.eduexternal-linkmessage-square172fedilinkarrow-up1615arrow-down113cross-posted to: hackernews@lemmy.smeargle.fans
arrow-up1602arrow-down1external-linkHearing is be-leafing: Students invent quieter leaf blowerhub.jhu.eduTheReturnOfPEB@reddthat.com to Technology@lemmy.worldEnglish · 6 个月前message-square172fedilinkcross-posted to: hackernews@lemmy.smeargle.fans
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