50 anni fa la Regina Silvia di #Svezia annunciava il suo fidanzamento.
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50 anni fa la Regina Silvia di #Svezia annunciava il suo fidanzamento. Chi se ne fotte? Ci sta. Ma chi non vorrebbe a seguire un party così? #Abba - Dancing Queen (1976) - Invidious https://invidious.nerdvpn.de/watch?v=XN9lgrT8eVc
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50 anni fa la Regina Silvia di #Svezia annunciava il suo fidanzamento. Chi se ne fotte? Ci sta. Ma chi non vorrebbe a seguire un party così? #Abba - Dancing Queen (1976) - Invidious https://invidious.nerdvpn.de/watch?v=XN9lgrT8eVc
@fucinafibonacci @spettacoli avevo sentito che gli Abba indossavano estrosi costosi abbigliamenti per defalcarli dalle tasse
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@fucinafibonacci @spettacoli avevo sentito che gli Abba indossavano estrosi costosi abbigliamenti per defalcarli dalle tasse
@giuglionasi @spettacoli beh, già il fatto che le tasse le pagassero, in Svezia dove non sono basse, è un merito
Gli ultimi otto messaggi ricevuti dalla Federazione
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@pierostrada essendo un Mac, per 700 euro già è tanto se si accende.
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@anfangel.bsky.social
Uì, ciao
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Bruce LaBruce (@brucelabruce.bsky.social)
https://bsky.app/profile/brucelabruce.bsky.social/post/3mgv5p4uqy227
> HBD to the wonderful Barbara Feldon, who so stylishly and elegantly played Agent 99 on the 60's TV series "Get Smart," BOTD in 1933, turning 93 today! Here's hoping that she lives to be at least 99!!
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Algorithms, by Jeff Erickson
#coding #programming #foss #books
https://jeffe.cs.illinois.edu/teaching/algorithms/
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@Alberto però mi ricordo che qualcuno li provò, forse Pippo, e stette male...
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@mariosiniscalchi temo di essermi espresso male. Intendevo dire "essere rappresentati NEL CSM", perché, appunto è il loro organo di autogoverno e penso abbiano diritto a farne parte scegliendo chi ci deve stare e non affidandosi al caso.
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Mapping The Sound Field Of An Acoustic Levitator
Sound! It’s a thing you hear, moreso than something you see with your eyes. And yet, it is possible to visualize sound with various techniques. [PlasmatronX] demonstrates this well, using a special scanning technique to visually capture the sound field inside an acoustic levitation device.
If you’re unfamiliar, acoustic levitation devices like this use ultrasound to create standing waves that can hold small, lightweight particles in mid-air. The various nodes of the standing wave are where particles will end up hovering. [PlasmatronX] was trying to calibrate such a device, but it proved difficult without being able to see what was going on with the sound field. Hence, the desire to image it!
Imaging the sound field was achieved with a Schlieren optical setup, which can capture variations in air density as changes in brightness in an image. Normally, Schlieren imaging only works in a two-dimensional slice. However, [PlasmatronX] was able to lean on computed tomography techniques to create a volumetric representation of the sound field in 3D. He refers to this as “computerized acoustical tomography.” Images were captured of the acoustic levitation rig from different angles using the Schlieren optics rig, and then the images were processed in Python to recreate a 3D image of the sound field.
We’ve seen some other entertaining applications of computed tomography techniques before, like inspecting packets of Pokemon cards. Video after the break.
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My youngest dog always walks around the house and back yard like he's ancient. Like, wobbling along like he's in pain, kinda limping. But, when we're on a walk or he's off-lead in the forest, he's like a rocket, absolutely full-tilt 100% of the time, not a care in the world, no think just run. No trace of a limp, seemingly no problems.
I think he's just really lazy when he's somewhere boring? Like a sullen teenager ambling through the halls at school.
