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TIL that the same $99 microphone has been used by every president since 1965

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d8YPj TIL about the "Theremin", a musical instrument that you play without physically touching it. By moving your hands closer or away from two metal antennas, you alter the theremin's surrounding electromagnetic fields and the interference causes an audible sound.
YpMeW TIL Olympus Mons on Mars, the tallest known mountain in the solar system, is so large at its base that an observer on its peak wouldn’t know he was standing on a mountain because its slope would be obscured by the curvature of the planet itself.
JYj0l TIL that Christmas used to be illegal in Massachusetts. After 1681, Christmas was no longer a crime, but was completely taboo. Anyone caught making merry or singing carols was prosecuted for disturbing the peace. It remained taboo until 1870, when the federal government made it a national holiday.
gBbb TIL the Air Force learned by flying its C-17s in a large V formation similar to geese, they saved more than 10 percent of fuel — or millions of dollars
9Y1br Today I learned that Elvis Costello went by the pseudonym “Napoleon Dynamite” for his 1986 LP “Blood and Chocolate.” Jared Hess, Director of the 2004 film claims there is no connection.