› added 9 months ago

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TIL about ternary plots. You can visualise 3 quantities on a 2d triangular graph if they add up to a constant (eg. soil components or colour composition). One graph is “x+y+z=1” which makes a triangle on positive axes, with the regular 3d gridlines intersecting to form triangular ones in the graph.

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R5MV4 TIL of Jerome Robbins' "Mistake Waltz", a choreography, where one dancer is always purposely out of step.
b5X7 TIL if you buy a Volvo through their Overseas Delivery Program, you will receive 2 free round-trip tickets to Sweden, which includes airport pickup + a luxury hotel. Then you’ll get 2 weeks to explore Europe in the car and Volvo pays for the insurance, after which they ship your car to you for free
d8DG9 TIL the guards at the tomb of the Unknown Soldiers at Arlington National Cemetery actually yell at you when you are disrespectful
D1OkP TIL about Arthur John Priest, a "fireman" who survived the sinking of the Titanic...and FIVE OTHER disasters at sea before and after.
BBED TIL in 1961 a little girl wrote to President Kennedy concerned about the safety of Santa Claus amid Soviet nuclear testing at the North Pole. Kennedy wrote back that he had spoken to Santa and that he was fine.