TheReturnOfPEB@reddthat.com to Technology@lemmy.worldEnglish · 3 个月前Hearing is be-leafing: Students invent quieter leaf blowerhub.jhu.eduexternal-linkmessage-square93fedilinkarrow-up1135arrow-down15
arrow-up1130arrow-down1external-linkHearing is be-leafing: Students invent quieter leaf blowerhub.jhu.eduTheReturnOfPEB@reddthat.com to Technology@lemmy.worldEnglish · 3 个月前message-square93fedilink
minus-squareImgonnatrythis@sh.itjust.workslinkfedilinkEnglisharrow-up4·3 个月前It looks like it was sponsored by black and decker but the whole article looks like an ad for Dewalt…
It looks like it was sponsored by black and decker but the whole article looks like an ad for Dewalt…