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
MMachine17 t1_iu2xjbz wrote on October 28, 2022 at 3:53 AM Reply to comment by sandtymanty in TIL about anti ninja floors in Japan. They were purposefully made to squeak as to alert people of intruders. by tpb01 They are the easiest method to detect human mating. Permalink Parent 2
Viewing a single comment thread. View all comments