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@wrog@mastodon.murkworks.net
2026-09-03 03:59:30

my #geometryOnDrugs postings continue after a bit of a hiatus.
Today's entry: The first installment of my intro to hyperbolic geometry. This is basically going to parallel (pun intended) what I did with spherical geometry some years back, except this will inevitably be more weird (surprise).

The Essence of Hyperbolic Geometry, Part 1


So this comes up in Relativity, it having been noted that, in a space-time diagram, velocities are essentially slopes and, as such, don't add/subtract the way you'd think, that the Right Thing with velocities in o

@lpryszcz@genomic.social
2026-09-16 18:09:01

“Why just destroy them when we can reverse engineer them and find the secrets of those spying on us?” one of the hackers, from a collective calling itself stegan0gram, said in an interview. “We liberated hardware in the field, disarmed them, and proceeded with reverse engineering of the cameras and associated solar equipment.”

Hackers Stole Flock’s Camera Software, Revealing How the Company Tracks Cars and People
While people around the U.S. are tearing down Flock cameras, one group of hackers went a step further: extracting the camera's software too.