RSS BotMB to Hacker NewsEnglish · 10 hours agoScientists found a way to make sound travel in only one directionwww.zmescience.comexternal-linkmessage-square0fedilinkarrow-up15arrow-down10file-text
arrow-up15arrow-down1external-linkScientists found a way to make sound travel in only one directionwww.zmescience.comRSS BotMB to Hacker NewsEnglish · 10 hours agomessage-square0fedilinkfile-text