› added 7 years ago

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TIL that when NASA sent out the Voyager spacecrafts in 1977, two golden records were included aboard which contained images, coded diagrams and sounds — including a message from President Carter — that portrayed life and culture on Earth in case any intelligent alien life form found the spacecrafts.

Read more voyager.jpl.nasa.gov

via reddit.com

PX4w TIL: the clear fluid that fills blisters is blood plasma
neyao TIL about beach theft, or the illegal removal of large quantities of sand from a beach leading to full or partial disappearance of the beach. In 2008 in Jamaica, someone stole approximately 500 truckloads of sand from a beach, effectively making it "disappear".
XYZk TIL that actress Hedy Lamarr was also a prolific inventor. One of her inventions allowed for guided torpedoes in WWII. But because the Navy wasn’t receptive to ideas coming outside the military, it wasn’t implemented during the war. Her idea went to later be basis for Wi-Fi, Bluetooth, & CDMA.
dDmGQ TIL: Between 1950 and 2023: Televisions experienced an average inflation rate of -6.54% per year. In other words, televisions costing $1,000 in the year 1950 would cost $7.19 in 2023 for an equivalent purchase.
E1pA0 TIL of chromesthesia, a type of synesthesia in which individuals perceive colour in addition to normal auditory sensations. Associations are idiosyncratic but consistent over time, studies found. Bernstein and Liszt are associated with the condition; the latter asking his orchestra to play 'bluer'.