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
Remote_Bumblebee2240 t1_iu5tx7f wrote on October 28, 2022 at 7:41 PM Early example of spinning a flaw as a "feature". Permalink 2
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