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TIL the Royal Canadian Mint was making limited silver coins in the shapes of dinosaurs

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b6ja4 TIL that in the 19th century, photographers used a technique called "combination printing" to create seamless images by merging multiple negatives, allowing for artistic compositions and overcoming technical limitations of early photography.
d8oYQ TIL That if you combined all of the area of the Nordic countries together, nearly 2/3 of it would just be Greenland. If Greenland became it's own country (it's currently a territory of Denmak), it would be the least densely populated country on the planet.
69Egm TIL All of the gold discovered thus far would fit in a cube that is 28 meters (98 feet) wide on every side.
d8Jxj TIL that card payments company Visa has a secret datacentre with the modern-day equivalent of a medieval moat to protect it: hydraulic bollards in the road can stop a car going 50mph, while cars going faster will spin out of control around a hairpin bend that will send them into a drainage pond
RLQQ TIL that in Armenia, all children aged 6 and up are taught chess at school, as it is a mandatory part of their curriculum.