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TIL that in 2012, NYU-Poly constructed a robotic fish and placed it in a tank of golden shiners. After simulating the tail movements of a leader fish, the robotic fish was eventually accepted and became their leader.

Read more engineering.nyu.edu

via reddit.com

QL0k TIL that after Ted Kaczynski’s brother David received a $1 million reward for helping bring the Unibomber to justice, he promptly dispersed the funds to survivors of his brother’s bombs, after paying legal fees. He now runs a Buddhist monastery in New York state.
0yZA TIL that several long-duration Russian cosmonauts have reported that months after coming back to Earth, they occasionally let go objects in mid-air, still expecting them to float.
Na4M TIL Scenes in the movie Terminator 2, where Sarah Connor and the T-1000’s facsimile of her are in the same shot aren’t CGI. Rather, it is Lina Hamilton and her non-actress identical twin sister, Leslie Hamilton, who acts as a very realistic body double.
lXBB TIL that the Great Pyramid of Giza only had at most 58mm of error on the 756 foot edges of its base.
D1DYJ TIL that the person considered the most successful pirate in history is a woman