How Were Squeaky Floors Used for Security?
Published June 10, 2020
|
3 min
    Download
    Add to queue
    Copy URL
    Show notes
    In Japan during the 1600s, some wealthy households installed purposefully squeaky floors as an alarm system. Learn how nightingale floors work in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
      15
      15
        0:00:00 / 0:00:00