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
aminervia t1_iu39k0j wrote on October 28, 2022 at 6:05 AM "across the Nightingale floor" is an amazing book, kind of ninja/fantasy-esque with these sorts of floors as part of the plot Permalink 3
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