drawing a bow across a metal plate with sand on it moves the sand to the vibrational antinodes in a “Chladni figure”, discovered in the 1600s. You can also stimulate it with a loudspeaker to probe the #resonance frequencies and patterns. #physics
#history of #CSS and related languages for #stylesheets: JSSS, DSSSL, XSL, PSL, CHSS.
#stylesheets #CSS discussion thread
#pdf by Ivan Sutherland about asynchronous-logic #hardware #toread
Some people in #Portland, #Oregon flew #drones over hobo encampments (nascent #slums) in the river delta and posted #video
Darius wrote a new interpreter for Chris Van Wyk’s #constraint #graphics language “IDEAL” in Python
#Generative #art by Anders Hoff, including Hyphae.
Somebody’s fuzzing the Linux kernel with #AFL and #QEMU to find #security problems. Gets reasonable performance by forking QEMU repeatedly from a sort of checkpoint just after the kernel within has booted.
#security #paper “Fansmitter: Acoustic Data Exfiltration from (Speakerless) Air-Gapped Computers”
using #neural-networks to evaluate #math expressed in #handwriting on a chalkboard with #computer-vision. Linked videos. #toread
Adam Chlipala explains a bit about “library universes” in #Coq. #formal-methods #tutorial #toread
Marc Scholten tried (and mostly failed) to use #Nix on #MacOS instead of Homebrew.
Automated and somewhat erroneous comparison of cost of living between Buenos Aires and Berlin
Data recovery laboratory with a cleanroom for disk drive reassembly here in Buenos Aires; prices start at AR$2600 (US$171) for data recovery from disks