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@dennisfaucher@infosec.exchange
2025-08-04 20:30:00

Decided to blog what I learned about Ubuntu multipass MicroVMs. Enjoy.
#Ubuntu

Ubuntu Multipass MicroVMs
 Ubuntu Multipass MicroVMs Why? Well, I had read about Firecracker MicroVMs, their low overhead, and their fast start times. When I finally...

@UP8@mastodon.social
2025-08-04 16:13:00

Peaceful microbes outlast aggressive rivals in harsh, frequently disrupted environments
(... people on my floor did this research!)
phys.org/news/2025-07-peaceful

Peaceful microbes outlast aggressive rivals in harsh, frequently disrupted environments
On the battlefield that is the microbial world, where microorganisms often try to wipe out the competition by producing various toxins, sometimes it helps to be a pacifist.

@mcdanlj@social.makerforums.info
2025-09-01 20:31:29

This is the third full build iteration of my miniature #QRP unun supporting both EFHW and "random wire" antennas. At this point, it is still fiddly to build, but I'd expect an experienced #HamRadio DIY / homebrew enthusiast to find the build not terribly difficult.
There's nothing…

Photograph of tiny QRP unun showing size of overall assembly including integrated coax. BNC connector for scale! The corners of the box have M3 countersink screws. There are three knobs on the side; a purple knob for the counterpoise connection, and red (high voltage!) knobs for "random wire" and end-fed half wave connections,
Inside view of unun autotransformer showing construction details, next to a ruler for scale, showing that the entire box is less that 3.5 cm across. There is a half-inch ferrite in the box, wrapped in kapton tape, with a 14-turn autotransformer wrapped around it. There are three M3x8 brass screws through the edges, connected to the transformer with ring terminals. The screws are held in place by captive nuts. An RG316 coax segment comes in through the side of the box to feed the autotransformer…
Side view of assembled unun, without a terminal knob, showing how thin it is. The letter "R" is visible on the side of the box, indicating that the adjacent terminal is intended for a "random wire" antenna.
A photo showing a comparison of this version of the unun design to the previous iteration, configured for deployment. The previous iteration was built on a SO-239 bulkhead connector, with a PL-259-to-BNC connector attached.
@heiseonline@social.heise.de
2025-07-31 09:45:00

Studie: Menschen atmen täglich 68.000 Mikroplastikpartikel in Innenräumen ein
Mikroplastik kann gesundheitliche Schäden verursachen. In Innenräumen ist die Konzentration der Partikel laut Forschern höher als bisher gedacht.

Studie: Menschen atmen täglich 68.000 Mikroplastikpartikel in Innenräumen ein
Mikroplastik kann gesundheitliche Schäden verursachen. In Innenräumen ist die Konzentration der Partikel laut Forschern höher als bisher gedacht.

@compfu@mograph.social
2025-09-03 21:05:01

Really happy with #Proxmox for VMs (virtual machines). I've been using a spare HP mini PC to run our intranet (#dokuwiki and some custom PHP stuff) and used Proxmox just to be able to take backup snapshots of the whole system.
Today I added a second Elitedesk mini PC to form a cluster and I…

@samir@functional.computer
2025-07-03 18:26:39

Quoting this because it came across my timeline again and I can’t boost it twice. xoxo.zone/@microwavenby/113023

@publicvoit@graz.social
2025-09-04 10:47:54

One of the rare examples where #Microsoft actually created a software itself (instead of buying some 3rd party tool embracing it) was published as open source (MIT license): github.com/microsoft/BASIC-M65

GitHub - microsoft/BASIC-M6502: Microsoft BASIC for 6502 Microprocessor - Version 1.1
Microsoft BASIC for 6502 Microprocessor - Version 1.1 - microsoft/BASIC-M6502

@arXiv_hepex_bot@mastoxiv.page
2025-06-05 07:30:35

Recent results from MicroBooNE
Holly B. Parkinson (University of Edinburgh), for the MicroBooNE Collaboration
arxiv.org/abs/2506.03376

Recent results from MicroBooNE
Modelling and reconstructing neutrino-nucleus scattering is difficult, but it is crucial to do it precisely to enable next-generation oscillation measurements. Liquid argon time projection chambers (LArTPCs), such as MicroBooNE, can be the tool for this job as they are excellent precision neutrino detectors with their ability to produce detailed three-dimensional interaction images and precise energy and spatial resolution. MicroBooNE currently possesses the world's largest neutrino-argon scatt…

@mcdanlj@social.makerforums.info
2025-06-05 03:20:55

#AmateurRadio Field Day is coming, and I am but a baby ham who wants to try to work #CW on field day, but would like a little practice first.
Morse Walker has an

Morse Walker
Morse Walker is a CW pileup trainer with modes such as POTA, SST, and CWT, plus beginner-friendly features, including adjustable speeds and Farnsworth spacing.

@compfu@mograph.social
2025-07-04 19:43:51

Am I the only one who foresees the future #AI business model as enshittified ad-infused LLMs? Once LLMs are ingrained in every class and board room, you‘ll suddenly have to pay big bucks while the free plans will be riddled with ads. It‘ll be like that #BlackMirror episode where the teacher spews comme…