Valdis Vītoliņš
LightNews LightNews
banner
valdisvi.bsky.social
Valdis Vītoliņš
@valdisvi.bsky.social
17 followers 29 following 110 posts
Par tehnoloģijām, programmatūru un dažkārt par sabiedrību
Posts Replies Media Videos
valdisvi.bsky.social
Arī Latvijā kā mazāko skaidrās naudas vienība vajadzētu atļaut tikai 10¢ www.tvnet.lv/8381957/no-a...
No apgrozības Igaunijā izņemtās viena un divu centu monētas tiek sūtītas uz Latviju
Viena un divu eiro centu monētas, kuru izņemšanu no apgrozības Igaunija sāka šogad, pēc abpusēji izdevīgas vienošanās tiek sūtītas uz Latviju, paziņoja Igaunijas centrālā banka.
www.tvnet.lv
December 19, 2025 at 4:16 PM
Reposted by Valdis Vītoliņš
cyberciti.biz
While most of us use the `clear` command to clear a Linux, macOS, or Unix terminal screen, you can actually do this much faster by pressing `Ctrl + L` keyboard shortcut keys. Try it!
December 19, 2025 at 2:51 PM
Reposted by Valdis Vītoliņš
zionlights.bsky.social
The shield around Chornobyl has been damaged. How serious is it?

youtube.com/shorts/olKoH...
How serious is the Chornobyl shield damage? #nuclear #radiation #sciencenews #chernobyl #nuke
YouTube video by Zion Lights
youtube.com
December 15, 2025 at 3:35 PM
Reposted by Valdis Vītoliņš
cyberciti.biz
"RemoveWindowsAI" is a script created by zoicware, available on GitHub, that does exactly what it says: it remove every AI feature in Windows 11. Do what you wish to do with this information. I'm sharing this because some folks are forced to use Win11 at work or other places for any reasons.
A screenshot of repo web page that reads: Title: Remove Windows Ai Why? The current 25H2 build of Windows 11 and future builds will include increasingly more AI features and components. This script aims to remove ALL of these features to improve user experience, privacy and security.
December 10, 2025 at 9:56 AM
Reposted by Valdis Vītoliņš
ketanjoshi.co
It is intensely funny to me that tech bro CEOs on an annual salary of 15 petabillion dollars think data centres can go in space because it's very cold but actually they would get obscenely hot because heat won't radiate into the vacuum of space

taranis.ie/datacenters-...
cold coolant returned to the loop. Typically the coolant is cooled via convective cooling to the air, so one way or another this is how things work on Earth. In space, there is no air. The environment is close enough to a hard, total vacuum as makes no practical difference, so convection just doesn't happen. On the space engineering side, we typically think about thermal management, not just cooling. Thing is, space doesn't really have a temperature as-such. Only materials have a temperature. It may come as a surprise, but in the Earth-Moon system the average temperature of pretty much anything is basically the same as the average temperature of Earth, because this is why Earth has that particular temperature. If a satellite is rotating, a bit like a chicken on a rotisserie, it will tend toward having a consistent temperature that's roughly similar to that of the Earth surface. If it isn't rotating, the side pointing away from the sun will tend to get progressively colder, with a limit due to the cosmic microwave background, around 4 Kelvin, just a little bit above absolute zero. On the sunward side, things can get a bit cooked, hitting hundreds of centigrade. Thermal management therefore requires very careful design, making sure that heat is carefully directed where it needs to go. Because there is no convection in a vacuum, this can only be achieved by conduction, or via some kind of heat pump. I've designed space hardware that has flown in space. In one particular case, I designed a camera system that needed to be very small and lightweight, whilst still providing science-grade imaging capabilities. Thermal management was front and centre in the design process – it had to be, because power is scarce in small spacecraft, and thermal management has to be achieved whilst keeping mass to a minimum. So no heat pumps or fancy stuff for me – I went in the other direction, designing the system to draw a maximum of about 1 watt at peak, dropping to around 10% of that wh… Cooling even a single H200 will be an absolute nightmare. Clearly a heatsink and fan won't do anything at all, but there is a liquid cooled H200 variant. Let's say this was used. This heat would need to be transferred to a radiator panel – this isn't like the radiator in your car, no convection, remember? – which needs to radiate heat into space. Let's assume that we can point this away from the sun. The Active Thermal Control System (ATCS) on the ISS is an example of such a thermal control system. This is a very complex system, using an ammonia cooling loop and a large thermal radiator panel system. It has a dissipation limit of 16kW, so roughly 16 H200 GPUs, a bit over the equivalent to a quarter of a ground-based rack. The thermal radiator panel system measures 13.6m x 3.12 m, i.e., roughly 42.5 square metres. If we use 200kW as a baseline and assume all of that power will be fed to GPUs, we'd need a system 12.5 times bigger, i.e., roughly 531 square metres, or about 2.6 times the size of the relevant solar array. This is now going to be a very large satellite, dwarfing the ISS in area, all for the equivalent of three standard server racks on Earth.
December 10, 2025 at 9:49 PM
valdisvi.bsky.social
Uz www.lsm.lv/raksts/dzive... jautājumu "Vai Latvija var kļūt par ūdeņraža lielvalsti?" atbilde ir "Nevar".
Detalizētāk: odo.lv/Blog/240920
Vai Latvija var kļūt par ūdeņraža lielvalsti? Ekspertu skatījums
Par ūdeņradi kā nākotnes enerģijas avotu dzirdam jau gadu desmitus. Latvijas Televīzijas raidījumā "Vides fakti" dažādu jomu eksperti bija vienisprātis – ūdeņraža jomā Latvijai ir lieliskas....
www.lsm.lv
December 8, 2025 at 7:26 PM
Reposted by Valdis Vītoliņš
zionlights.bsky.social
What’s the most radiation you’ve been exposed to? The answer may surprise you.

youtube.com/shorts/H3e4C...
What’s the most radiation you’ve been exposed to? #radiation #radioactive #smoking #science #study
YouTube video by Zion Lights
youtube.com
December 2, 2025 at 10:40 PM
Reposted by Valdis Vītoliņš
euractiv.com
Europe’s hydrogen dream has swallowed €20bn with little to show for it
Europe’s hydrogen dream has swallowed €20bn with little to show for it
Despite generous subsidies, electrolyser numbers fall short of targets by a factor of 20
dlvr.it
December 2, 2025 at 5:16 AM
valdisvi.bsky.social
Keep these Stupid American Trucks out of Europe: www.youtube.com/watch?v=--83...
Keep these Stupid American Trucks out of Europe
YouTube video by Not Just Bikes
www.youtube.com
December 1, 2025 at 12:48 PM
Reposted by Valdis Vītoliņš
adrianbowyer.bsky.social
#Enshitification

Alexa: Also, I have found a routine that ends your day with upbeat music at 5:30. Would you like to enable it?

Self & Wife in unison: NO!
November 15, 2025 at 4:12 PM
Reposted by Valdis Vītoliņš
lorak.bsky.social
Meta halted internal research that purportedly showed (young) people who stopped using Facebook became less depressed and anxious, according to an unredacted legal filing released on Friday. www.cnbc.com/2025/11/23/m...
Meta halted internal research suggesting social media harm, court filing alleges
Meta is alleged to have halted internal research suggesting social media harm, according to court documents.
www.cnbc.com
November 24, 2025 at 12:31 AM
Reposted by Valdis Vītoliņš
euractiv.com
Norway may break up with Europe’s power grid over soaring energy prices
Norway may break up with Europe’s power grid over soaring energy prices
Oslo, and Norwegian voters, are growing impatient with backing up Europe's energy transition
dlvr.it
November 25, 2025 at 5:14 AM
Reposted by Valdis Vītoliņš
stephencollins.bsky.social
[Scene is JESUS sat behind a boss’s desk in his office on a cloud in HEAVEN] 1 JESUS [speaking into intercom] Hi can you send in Saint Nicholas please 2 SANTA [entering in full Santa garb]: Hi boss JESUS: Hi Nick 3 JESUS: Listen - about this ‘my birthday’ thing... SANTA: Ohh not this again boss 4 JESUS: Nick, it’s out of hand. *You’ve* got out of hand. 5 JESUS: I mean when I hired you, you was all humble, hiding under windows, lobbing in dowries… And now you’re like… 6 JESUS [gesturing disdainfully at Santa’s clothing]: I mean - what’s this. 7 SANTA: This is my get up! I’ve had this since the Coca Cola deal in the 30s JESUS: *That’s what I mean.* 8 JESUS: You’ve just gone too - SANTA: Oh no, oh no - 9 SANTA: Sorry boss but waaay back in the Reformation, right, Martin Luther said: “why don’t we have Jesus delivering the presents?”. And when he prayed to ask you, do you remember what you said? Eh? 10 SANTA: You said: “I ain’t going back there” 11 SANTA: If you wanna take over - JESUS: Oh yeah! Kids coming downstairs to find me resurrected in their living room going "I got you an Xbox"... 12 SANTA: You’re just feeling threatened cos I’m doing a bloody good - JESUS: *WATCH IT NICK*. [ends]
November 24, 2025 at 12:56 PM
valdisvi.bsky.social
Par vismaz vienu automātu Ventspilī skaidri zinu, ka tas ir uzstādīts absolūti bezjēdzīgi. www.tvnet.lv/8365271/zm-e...
ZM elektroauto uzlādes tīkls: Kronberga ieskatā nauda iztērēta lietderīgi
Zemkopības ministrijas (ZM) elektroautomobiļu uzlādes tīkla izveidei piešķirtā nauda tika iztērēta lietderīgi, uzskata Valsts kancelejas vadītājs Raivis Kronbergs, kurš iepriekš vairākus gadus bija ZM...
www.tvnet.lv
November 21, 2025 at 1:04 PM
Reposted by Valdis Vītoliņš
cyberciti.biz
Most people want a usable OS - they don’t want any AI or copilot capabilities. But who will tell them? www.windowscentral.com/microsoft/wi...
A screenshot of a news article headline. The headline reads: "Microsoft AI CEO pushes back against critics after recent Windows AI backlash - 'the fact that people are unimpressed ... is mindblowing to me'" Below the headline is the short summary: "Mustafa Suleyman says people that are unimpressed with AI's capabilities are mind blowing to him, after recent backlash around Copilot and Windows as an agentic OS."
November 20, 2025 at 7:34 PM
Reposted by Valdis Vītoliņš
adrianbowyer.bsky.social
This is COMPLETELY INSANE.

In addition to the environmental and labour violations, EIGHTY-FIVE times as much land is needed to power an ICE car on corn ethanol compared to the land needed for solar PV panels to power an EV car.

www.cleanwisconsin.org/wp-content/u...
November 19, 2025 at 11:38 PM
valdisvi.bsky.social
Are Electrons made of Light? (The Williamson & Van der Mark Electron model): www.youtube.com/watch?v=hYyr...
Are Electrons made of Light? (The Williamson & Van der Mark Electron model).
YouTube video by Huygens Optics
www.youtube.com
November 15, 2025 at 8:24 PM
Reposted by Valdis Vītoliņš
cyberciti.biz
The opensource FFmpeg project, used by companies like Google for multimedia processing, urged Google to fund its volunteer developers. FFmpeg is overwhelmed by bugs reported by Google's AI security tools and lacks resources to fix them quickly. thenewstack.io/ffmpeg-to-go...
FFmpeg to Google: Fund Us or Stop Sending Bugs
A lively discussion about open source, security, and who pays the bills has erupted on Twitter.
thenewstack.io
November 12, 2025 at 12:19 PM
Reposted by Valdis Vītoliņš
zionlights.bsky.social
In my new piece for The Argument, I explore why environmentalism needs to be guided by evidence, not emotion.

www.theargumentmag.com/p/when-envir...
When environmentalists choose panic over progress
How a faction of green activists turned against the very technologies that could have saved millions of lives and slowed climate change.
www.theargumentmag.com
November 11, 2025 at 1:46 PM
Reposted by Valdis Vītoliņš
zionlights.bsky.social
This fire has been burning for over a century, and no one knows how to put it out.

youtube.com/shorts/Ssb71...
This coal field has been burning for over a century #coal #energy #nuclear #disaster #dystopian
YouTube video by Zion Lights
youtube.com
November 10, 2025 at 5:56 PM
Reposted by Valdis Vītoliņš
viss.mastodon.social.ap.brid.gy
go to the cloud they said
itll be fine they said

https://www.tomshardware.com/tech-industry/big-tech/manufacturer-issues-remote-kill-command-to-nuke-smart-vacuum-after-engineer-blocks-it-from-collecting-data-user-revives-it-with-custom-hardware-and-python-scripts-to-run-offline
November 3, 2025 at 2:56 AM
valdisvi.bsky.social
The Top 10 Lies I Was Taught as an American: www.youtube.com/watch?v=4l0N...
The Top 10 Lies I Was Taught as an American
YouTube video by Holy Koolaid
www.youtube.com
November 9, 2025 at 6:02 PM
valdisvi.bsky.social
Looks like author doesn't know much about Linux: www.yegor256.com/2025/10/05/w...
Programmers, Don't Use Windows!
Windows turns programmers into mouse operators. macOS, built on Unix, keeps the command line alive—where everything is a file, tools connect through pipelines, and real programmers stay in control.
www.yegor256.com
November 3, 2025 at 7:36 PM
valdisvi.bsky.social
If the same Linear No-Threshold model would would be applied to caffeine as for radiation, we would have 4,8 millions of caffeine deaths per day: www.youtube.com/watch?v=gzdL...
Big Nuclear’s Big Mistake - Linear No-Threshold
YouTube video by Kyle Hill
www.youtube.com
November 2, 2025 at 3:59 PM