› added 3 years ago

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TIL that the fastest wind speed ever measured from a tornadic storm is 301 MPH, which was set in 1999 during the Bridge Creek-Moore EF5 Tornado.

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l7n7K TIL that the octane rating you see at the fuel pump isn't the percentage of octane in your fuel. It's simply a measure of its resistance to engine knock in comparison to the isooctane standard.
WOWX TIL that digital cameras are often shipped by sea rather than by air because the increase in gamma rays at high altitudes can fry some of the pixels on the sensors. This issue was experienced while filming Superman Returns.
69oe8 TIL about 70,000 years ago Scholz's Star passed through the Oort Cloud affecting the orbits of the planets in our solar system.
6EAbX Today I learned about "The Thing", one of the first covert listening devices (bugs), which was implanted in a Great Seal of the United States gifted from the Soviet Union to the United States and, being entirely passive in nature, remained hidden for 7 years.
BrVYy TIL that reindeer are the only mammals that can see ultraviolet light. This means that they can easily tell the difference between white fur and snow because white fur has much higher contrast. It helps them discover predators early in snowy landscapes.