TIL about anti ninja floors in Japan. They were purposefully made to squeak as to alert people of intruders. science.howstuffworks.com Submitted by tpb01 t3_yf8hvz on October 28, 2022 at 12:32 AM in todayilearned 187 comments 5,566
Duderpher t1_iu2lgm2 wrote on October 28, 2022 at 2:13 AM Nightingale Floor was my nickname in high school. Permalink 3 _twintasking_ t1_iu4jxzn wrote on October 28, 2022 at 2:32 PM ?? Permalink Parent 1
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