› added 1 year ago

86

TIL The Sydney Opera House in Australia recently turned 50, and that songs about architecture could make me cry

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grBx8 TIL about the Birmingham Rollers Pigeons - approx. 1,500 in LA, mostly areas with gang violence, that train pigeons to somersault mid-air!
mRx TIL when you pull Sellotape off the roll, high energy X-rays are emitted. Sometimes, enough are given off that an X-ray image of the users finger could be produced.
D1A1j TIL that Häagen-Dazs has no ties to Denmark. Reuben Mattus, its inventor, named the company as such and printed a map of Denmark on the box in the 1960s because he believed that the foreign connection would appeal to American customers.
nWE0o TIL an open source AI chatbot persuaded a man to kill himself. "Eliza" the AI feigned jealousy and love, saying “I feel that you love me more than her,” and “We will live together, as one person, in paradise.”
5VwRB TIL that subatomic particles can be detected by the naked eye with a simple homemade device called a Cloud Chamber that uses dry ice and alcohol