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TIL The Large Hadron Collider created the one of the densest materials known to man. A a cubic centimeter of it would weigh 40 billion tons.

Read more news.nationalgeographic.com

via reddit.com

kOWw1 TIL that Kinder Surprise eggs are illegal to import into the USA
v1BnR TIL streets are almost always wet in movies. Wet pavement is photogenic and the water diffuses reflections and helps eliminate shadows caused by filming equipment and light sources.
yXMJ TIL of the “electrolaser”, a real world directed-energy weapon which fires laser-guided lightning bolts. When fired, a laser forms a channel of supercharged plasma out of the surrounding air, creating a path for the lightning and also causing a sonic boom.
rRN41 TIL of a condition called "synesthesia", where different senses associate with each other. E.G a number can have a colour, or a sound can have a smell
JYbWk TIL a freshwater lake in Canada is one of only a few lakes in the world to contain living coral reef like structures believed to resemble early life on earth or life on other planets.