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
vitonga t1_iu2bmn4 wrote on October 28, 2022 at 12:58 AM Reply to comment by yParticle in TIL about anti ninja floors in Japan. They were purposefully made to squeak as to alert people of intruders. by tpb01 Obligatory Permalink Parent 10
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