Patent-pending design by Hopkins undergrads could be available in stores within two years
  • locuester@lemmy.zipEnglish
    01·
    2 months ago

    And since electric leaf blowers often have a much higher pitch, that pitch attenuates at a much greater rate

    As the article states, it’s this sound that they got rid of. A 94% drop in the high pitched shrill of the electric leaf blower.

    Read. The. Article.

    It’s a 2 minute read ffs.