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TIL WD-40 was first used to protect the outer skin of the Atlas missile, the first operational ICBM.

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awmVA TIL that Cambodia is the only country in the world to have a real building on its flag. Angkor Wat, a Hindu-Budist temple, has become a symbol of Cambodia, which appears on its national flag, and it is the country's prime attraction for visitors.
KYjG TIL that driving the Bugatti Veyron at its top speed of 253 mph will drain its 26.4 gallon tank in 19 minutes.
W7O6N TIL In 2023, Researchers re-analyzed lunar dust collected during the 1972 Apollo 17 mission and found evidence that the Moon formed about 40 million years earlier than previously thought. The proportion of lead isotopes indicated that the sample was at least 4.46 billion years old
BrPQL TIL that modern tank guns are not rifled; they are smoothbore like a musket. Instead of firing shells, they fire an armor-piercing dart made of depleted uranium or tungsten, which is held in the center of the barrel by a discarding sabot.
6xY7 TIL there stands a castle in the Czech Republic that to this day has a moat filled with BEARS. It’s called the “Bear Moat” and it was first filled with bears in 1707, if not earlier.