› added 4 years ago

641

TIL that for the "Laurel" vs "Yanny" debate, by filtering the recording for only higher frequency sounds, you'd hear "Yanny" more clearly, and vice versa

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via reddit.com

b6e07 TIL Rhodium is more expensive precious metal than Palladium ,Iridium, Platinum and Gold.
epAx6 TIL The company Blizzard inadvertedly inspired the creation of the digital currency, Ethereum, by nerfing Vitalik B's World of Warcraft character.
M7Mdm TIL that British soldiers in WW2 used scaffolding to hide the Taj Mahal from potential air raids in India. The scaffolding disguised the monument to look like a bamboo stockpile, protecting it and other cultural heritage sites during the war.
oBMg7 TIL about dazzle camouflage, used for naval ships in WWI. It consisted of "complex patterns of geometric shapes in contrasting colours, interrupting and intersecting each other." This would make it hard for German U-boats to accurately shoot torpedoes.
kONXd TIL mail-order service Columbia House was responsible for over 15% of all CD sales in 1994. Its practice of "negative option billing" is now banned in 15 states and most Canadian provinces and the service shut down in 2009. A class action lawsuit was filed in 2011 due to inability to cancel.