› added 4 years ago

57

TIL that most symbols we use in mathematics can be neatly categorized into the following categories: constants, variables, delimiters, operators, relational symbols and notational symbols

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WMA8 TIL: The first non stop Atlantic flight was by two British airman in 1919, it is almost forgotten about.
4X5e6 TIL That Mexican music was very popular in Yugoslavia during the '60s. With young people dressing up in mariachi outfits.
D1KjJ TIL The sound made by the Krakatoa volcanic eruption in 1883 was so loud it ruptured eardrums of people 40 miles away, travelled around the world four times, and was heard from over 3000 miles away.
W7p0A TIL: Most people can legally buy a personal commercial airplane such as a Boeing 737 as long as they can afford to pay 10s to 100s of millions of dollars for one.
WkAoN TIL When Picasso died at the age of 91, he left more than 45,000 works. In 1980 the Picasso estate was appraised at $250 million, but experts have said the true value was actually in the billions. Picasso did not leave a will, the division of his holdings took six years among seven heirs