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Comment Re:Luckily enthusiast PCs are mostly toys not tool (Score 1) 92

Capacitors can often be replaced and board level repair is not beyond small shops and dedicated enthusiasts. I remember the capacitor plague and some motivated enthusiasts recapping their boards. That's not terribly difficult, proof being many enthusiasts and professionals who do board level repairs.

Many vintage PCs including mine work fine. I only demote them to backups when I get bored and feel like a hardware refresh. The retro computing community deliberately run ancient hardware of which millions of computers remain.

For example I've a healthy pile of X and T-series Thinkpads from the 2008 era that function fine despite being assembled from wrecks, and desktops dating to the early oughts.

Comment Luckily enthusiast PCs are mostly toys not tools (Score 0) 92

Utility computing can go many years without a hardware refresh, and intensive tasks need not be shared where they degrade performance on a main machine.

Gaming is completely discretionary and parts may be bought at leisure if one already owns a usable machine.

I buy multiple business class PC cheap after liquidations push them onto Ebay. Linux frees me from needing Windows, a few applications excepted which can run in VMs on Linux hosts or on a cheap secondary PC I remote into (KVM switches are also an option).

Owning multiple used PCs (because ever being one-deep on hardware invites downtime) and not discarding working hardware makes life easy. They take up little space hung on walls (my server hangs on a few cents worth of lag hooks) or stacked on shelves or hung from them to leave shelves free for other use.

Home lab enthusiasts solve the business hardware use and space problems with trivial effort making their systems worth a look. They're a friendly supportive community.

Other strategies include not caring about cosmetics where a few scratches or replaceable minor hardware usefully lower prices. Thinkpad enthusiasts were building notebooks from wrecks back when new ones were too expensive. My first A31 was assembled from bartered ewaste along with two old HP servers reused as desktops.

When you have a techy problem, respond techfully! If you really do need a peformant machine to make a living be glad they're still cheap compared to gearing up for vehicle mechanics, serious woodwork, welding professionally etc.

 

Submission + - NYT: Civilization underpinned by a Faberge Egg

BenBoy writes: NYT discusses the ease with which the US could be rendered literally powerless for a year or more:

“If you knock out nine total substations among those three grids, you can black out the entire United States.” According to Wellinghoff, which nine substations were taken offline didn’t matter as long as each one was among the 10 most important in its region, and you could black out the three interconnections individually as well: “I mean, it’s not like there are particular substations. You just have to figure out what are the top 10 critical ones in each of those interconnects. Which, to do that, it’s probably something that a bunch of 12-year-olds with the internet could do pretty easily. All you have to do is look at a map of the grid and figure out where most of the wires go into the substations — that’s a critical substation.”

Comment The decline of competence (Score 1) 65

Being so utterly tech-ignorant in 2026 should be shameful, but the adult choice to be incompetent is completely normalized.

The death of competence was inevitable because the majority of humanity are not intelligent and intelligence is not a choice.

People don't know what right looks like, and PBS is a bastion of old people who should be removed from the levers of power because they're unable to learn.

Submission + - Linux Kernel 7.2 Has Been Officially Released (9to5linux.com)

prisoninmate writes: Linux blog 9to5Linux reports: "Highlights of Linux 7.2 include cache-aware load-balancing support, initial HDMI 2.1 FRL support to the AMDGPU driver, support for devres-based management of ACPI notify handlers, initial CRI platform support for the Intel Xe driver, and Rust support for the IBM System/390 (S/390) architecture.

Linux kernel 7.2 also introduces a “Fair(er)” GPU scheduler, support for the ‘zerocopy’ library to Rust support to make zero-cost memory manipulation effortless, new hwcaps for the 2025 dpISA extensions on the AArch64 (ARM64) architecture, and enables large folios by default for the Btrfs file system.

Linux 7.2 also brings Intel CPU model number support for Panther Lake R processor series, improvements to the kernel’s swap subsystem, support for multi-size transparent huge pages (mTHPs) to the khugepaged kernel thread, and support for compressed files to the SMB filesystem."

Submission + - I teach calculus at Berkeley. Some of my students can't do middle school math (sfstandard.com)

fjo3 writes: I teach mathematics at UC Berkeley. Three days a week, I stand in front of lecture halls with 500 to 1,400 students. By the second week of the semester, I already know who is in trouble. Some students are five to eight years behind in mathematics. Office hours that should be spent discussing integrals instead become lessons on fractions and basic algebra you would expect students to learn in middle school.

That is why this spring and summer, thousands of faculty members across all 10 UC campuses — including more than two-thirds of UC’s mathematics faculty — signed open letters(opens in new tab) urging the system to restore the SAT and ACT in admissions. Five Nobel laureates joined us, along with professors from across the university, including Beatriz Manz, Berkeley’s first Latina full professor.

Submission + - Swarms of tiny robots remove microplastics from soil and water (phys.org)

alternative_right writes: Scientists from the Czech Republic have created microscopic cleanup robots that successfully removed microplastics from both soil and aquatic environments in the lab. Details of their work are published in the journal npg Asia Materials.

To build the robots, researchers started with microscopic MXene particles made of ultrathin, stacked layers. The material has a large surface area and surface chemistry that help it attract and hold plastic. They then coated the particles with magnetic nickel nanoparticles so rotating magnetic fields could drive the tiny robots.

Then came the testing phase. The team placed swarms of these microbots into water and soil samples contaminated with plastic. The externally generated magnetic fields made the robots spin and tumble through the liquid and squeeze through tiny water-filled gaps in the soil.

Submission + - Freenet: Apps Without Platforms

Sanity writes: Earlier this year Slashdot covered the launch of the completely redesigned Freenet. I recently gave a talk about what we've been building since then. Unlike traditional web applications, apps on Freenet have no central server or database, with application state instead distributed across the network. These now include decentralized group chat, publishing, search, and fully decentralized Git hosting. The talk also gets into some of Freenet's internals, including how we use machine learning for network routing.

Submission + - Smart Glasses are now Cheap (rnz.co.nz)

hadleyburg writes: Radio New Zealand reports that "Privacy experts warn of gaps in NZ law, as camera glasses hit Kmart shelves".

Historically there has been an appreciation of "street photography" where unwitting members of the public are photographed on the street, in a candid fashion, capturing a feeling at a particular moment. It can capture history and create art.

But as the photography of the public has become more pervasive, with smart phones, and now cheap smart glasses, issues of privacy start to be weighed up against the rights of the artist.

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