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TIL in 1972 Ed Catmull and Fred Park creates the first 3D Animation of a hand and a face. The technics they devolped are the foundation of our modern movies, effects and gaming graphics. This animation was first used in the movie "Futurworld" from 1976.

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R7vg4 TIL Silly String was invented to be used as an aerosol spray to create an instant cast on broken and sprained bones. It worked, but while testing nozzles it was noticed it produced a 30' string. This inspired the inventor to change the formula to be less sticky, add color, and market it as a toy.
neYPb TIL That the first-ever product recall of a food because of its genetically engineered ingredients was when Taco Bell brand taco shells were pulled from stores after tests confirmed the presence of an ingredient not approved for human consumption.
JY7wQ TIL: roundabouts have many benefits such as, reducing crashes by 39% and decreasing fatality rate from crashes by 90%, costs less to maintain and saves gas consumption by 30%.
x6aVB TIL those concrete dividers on highways and streets are called Jersey barriers. Originally invented in the 1950s for use in New Jersey, they were first poured in place but are now pre-made and modular or even plastic. Taller varieties are used as defenses outside US military bases.
ZpKjQ TIL that the billionaire founder of Alibaba Jack Ma was rejected from every job he tried to apply for after college. For example, he applied to KFC and was the only person out of 24 applicants to not be hired.