Electric leaf blowers are already far quieter than their gas-powered peers, but they still aren’t the kind of thing you’d like to hear first-thing on a Saturday morning. Looking to impr…
  • KidnappedByKitties@lemm.eeEnglish
    61·
    2 years ago

    There’s a relevant physics anomaly called a Helmholtz resonator, or more broadly waveform interference.