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TIL that musical roads - roads where grooves are strategically placed to cause your car to rumble to the sound of a musical tune - can be found in different countries around the world.

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OoB91 TIL that there is a disaster scenario where North Korea starts blasting satellites out of the air just out of spite, ruining communications for the entire world
0dEX5 TIL that at room temperature, air molecules vibrate at roughly 1,100 mph (~500m/s) — about 50% faster than the speed of sound.
d8apE TIL planned obsolescence is illegal in France; it is a crime to intentionally shorten the lifespan of a product with the aim of making customers replace it. In early 2018, French authorities used this law to investigate reports that Apple deliberately slowed down older iPhones via software updates.
rNG7w TIL of the Olympic Salute. Formerly a tradition at the events, it consisted of the right arm being raised at an angle. At the 1936 Olympics in Berlin, many interpreted athletes doing the salute as supporting the Nazi government due to its similarity to the Nazi salute. It was retired after WWII.
G055 TIL hundreds of vehicles involved with Volkswagen’s Diesel-Emissions Scandal are sitting in the abandoned Pontiac Silverdome parking lot