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TIL: The largest reciprocating engine in the world is the RT-flex96C, a turbocharged diesel engine designed by the Finnish manufacturer Wärtsilä. It is designed for large container ships. Its 14-cylinder version is 44 ft high, 87.2 ft long, weighs over 2,300 t, and produces 107,390 hp

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awjQZ TIL about the existence of the 'universal S' graffiti symbol. Found in multiple countries and over multiple generations.
R55K1 TIL a cat’s purr is typically between 25Hz and 140Hz. These levels have shown promise in healing bone and joint problems, so much so that the rate of healing for broken bones has shown to increase.
Z8eE4 TIL Craig Bartlett, creator of Hey Arnold!, was married to Lisa Groening, making "The Simpsons" creator Matt Groening his brother-in-law.
n1Ar TIL in their latest film ‘Kubo and the Two Strings’ stop motion animation studio LAIKA used 3d printing for the Kubo character giving him 11,007 unique mouth expressions and 4,429 brow expressions, allowing for over 48 million possible facial expressions.
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