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TIL that all printers use yellow ink to print an identifiable and traceable code on everything they print; that way if someone tries to counterfeit money, send threatening letters, etc it can be proven to have come from their printer.

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e0nxb TIL throughout the 1970’s the Grateful Dead used a 32ft tall PA system that could deliver perfect sound 600ft away. It had to be hauled in caravans of semi trucks and took 4 hours to assemble. They called it “The Wall of Sound”.
l7oZN TIL studies show that SPF-30 sun screen is just as good at reducing skin damage and skin cancer risk as higher SPF varieties and often provide a better balance of blocking UVA and UVB rays.
kd4e TIL A group of jackalopes is called a flaggerdoot.
Rera TIL that Roosevelt’s “Bull Moose” 3rd Party’s goal was to reverse the domination of politics by business interests
yMBJ TIL When executives from game developer Red Fly met with George Lucas they were instructed to never say “No” to him, told not to mention The Force Unleashed protagonist, Starkiller (George would only refer to him as “that guy”) and, most importantly, not to tell George how the Force works.