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RT @linuxtoday@twitter.com

Debian GNU/Linux 9.8 Released with over 180 Security Updates and Bug Fixes dlvr.it/Qz9vGd

For a Black Mathematician, What It’s Like to Be the ‘Only One’

Fewer than 1 percent of doctorates in math are awarded to African-Americans. Edray Goins, who earned one of them, found the upper reaches of the math world a challenging place.

nytimes.com/2019/02/18/us/edra

Boston! If you're into open source software, Electronic Frontier Alliance group @fsf invites you to their CiviCRM meetup next Tuesday. twitter.com/fsf/statuses/10950

Quote of the day: "In a world defined by software, #access to software decides who has access to our #culture, to our communication tools, about our possibilities in education and at work. #FreeSoftware makes sure that #everyone has the same possibilities to #participate in today’s #society. It fosters collaboration and participation in contrast to proprietary software which divides people and make sure that everyone is on his own."

Great read by @bjoern:
schiessle.org/articles/2019/01

Zero-sum game: "In game theory and economic theory, a zero-sum game is a mathematical representation of a situation in which each participant's gain or loss of utility is exactly balanced by the losses or gains of the utility of the other participants."

Zero-sum game: "In game theory and economic theory, a zero-sum game is a mathematical representation of a situation in which each participant's gain or loss of utility is exactly balanced by the losses or gains of the utility of the other participants."

New AI fake text generator may be too dangerous to release, say creators

The Elon Musk-backed nonprofit company OpenAI declines to release research publicly for fear of misuse

amp.theguardian.com/technology

I am still using python2 since sagemath depends on its libraries, forcing to use astropy2 also.

CW's (content warnings) from Twitter 

RT @physicsmatt@twitter.com

Of course, our amino acids are chiral (atoms are placed relative to each other in either a right-handed or left- orientation). And our enzymes also are chiral to allow us to process them. If your handedness flipped, you’d probably starve to death despite eating.

CW's (content warnings) from Twitter 

RT @physicsmatt@twitter.com

A sci-fi pastiche of the Hobbit, “There and Back Again,” has the conceit that going though a wormhole flips your chirality, switching your handedness down to the molecular level. Must be a non-orientable manifold.

CW's (content warnings) from Twitter 

RT @physicsmatt@twitter.com

In GR, we only work with orientable manifolds, ones where you can define a global Levi-Civita tensor. If you were walking around on a non-orientable manifold you could suddenly discover you had gone from being right-handed to left (or vice versa).

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