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Hiram 3 year s ago
My head is full of new knowledge. Thank you.
       
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2.
Audrey 3 year s ago
What does TIL mean?
       
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Dotha 3 year s ago
Audrey, Today I Learned
       
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belayclappingdance3dashdirol
drinksfoolgirl_craygirl_devilgirl_witch
goodgreenheartJC-LOLJC_doubledown
JC_OMG_signkisslaughingman_in_lmocking
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yahooshoot

"TIL when NASA used electronic computers for the first time - to calculate John Glenn's orbit around Earth - officials called on Katherine Johnson to verify the computer's numbers; Glenn had asked for her specifically and had refused to fly unless Johnson verified the calculations."

 

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