› added 10 years ago

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TIL Marty McFly drinks Pepsi because its logo had changed since 1955, whereas Coke stayed the same - it wasn’t just product placement

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via reddit.com

1LYD TIL the US used the Navajo language to communicate in codes that were unbreakable to Japanese Intelligence. It is still the only spoken military code to never have been deciphered.
P9eE TIL that Sony didn’t stop making new floppy disks until March 2011…due to “lack of demand”
vOND TIL there is a bird that can imitate the sounds of chainsaws and car alarms.
bm0p TIL: Large numbers of free Blacks owned black slaves in numbers disproportionate to their representation in society. According to the federal census of 1830, free blacks owned more than 10,000 slaves in Louisiana, Maryland, South Carolina, and Virginia.
rNmjy TIL 15th century Korea developed the Geobukseon (turtle ship), a warship roofed with spiked plates to prevent boarding actions. Each Geobukseon was also designed with a dragon head on the bow that hid a cannon or could release smoke to inspire terror or cover ship movements.