Punch cards and India ink.
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
omg there’s a PuTTY update 😅 https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html
The Gender Census 2019 is now open until 25th March!
It's for anyone whose genders (or lack thereof) aren't described by the M/F binary. It's short and easy, and the results are useful in academia, business, and self-advocacy.
Hey, the call for proposals for !!con in New York is open until March 3! You should submit a talk! http://bangbangcon.com
Erin/Lain ✨ She/her or they/them pronouns
otter.tube is one server in the network