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
Xenkyro t1_iu3ihi6 wrote on October 28, 2022 at 8:08 AM Reply to comment by Diamondsfullofclubs in TIL about anti ninja floors in Japan. They were purposefully made to squeak as to alert people of intruders. by tpb01 Came here to say this. I loved that whole series. Permalink Parent 3
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