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TIL the first Zildjian cymbals were created in 1618 by Avedis Zildjian, an alchemist who was looking for a way to turn base metal into gold. He made an alloy of tin, copper, and silver into a sheet of metal, which could make musical sounds without shattering.

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Z8LaR TIL that Ed Camull, co-founder of Pixar and former president of Walt Disney Animation Studios, had Aphantasia - a mental condition which meant he could not voluntarily visualize mental imagery. He had no visual imagination.
m1RAY TIL: that bumpy texture found on every plastic 90s chairs, toys, and car dashboards is called VDI 45, defined by mold texturing standards like SPI and VDI. It was used to hide defects, resist scratches, and give cheap plastic a premium, durable feel across toys, furniture, and dashboards.
OGLrY TIL about the Euthanasia Coaster, a hypothetical ride designed to kill its passengers. The creator stated that his goal for the coaster is to give people the opportunity to take their own lives "with elegance and euphoria".
0dEjA TIL that the world's smallest flower is the Wolffia spp., or the watermeal. The plant is about 1/42" long and 1/85" wide, and weighs about as much as 2 grains of salt. It grows on the surface of freshwater lakes or marshes.
9aJM TIL Robin Williams attended Juilliard and was one of two students chosen to be in the advanced program. However, he dropped out in his junior year of the program at the recommendation of his professor because his professor told him, “there was nothing more Juilliard could teach him.”