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  1. Adrian Roselli (aardrian@toot.cafe)'s status on Wednesday, 10-Apr-2019 15:13:29 EDT Adrian Roselli Adrian Roselli

    Punch cards and India ink.

    ---
    RT @sciam@twitter.com
    French astrophysicist Jean-Pierre Luminet was the first to accurately visualize a black hole. In 1978, he used punch cards to write a computer program calculating the appearance and then reproduced the image by hand using India ink on Canson negative paper http://bit.ly/2UL1ylU
    https://twitter.com/sciam/status/1115714174859063298

    In conversation Wednesday, 10-Apr-2019 15:13:29 EDT from toot.cafe permalink
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