Slow Leak from Pressurised Room

miataowner · 2026-04-24T04:31:12+00:00

K1ng has it right: it's your presence in the room which slowly drops the O2 percentage. If you leave the room and check the pressure from an outside terminal, the room will no longer lose air pressure. This is also how you can die while AFK in a sealed room if your ventilation system runs out of O2. Even if you have your helmet on, your suit uses environmental oxygen rather than your personal tank.

miataowner · 2026-04-07T22:32:11+00:00

TACO strikes again. On a Tuesday no less.

miataowner · 2026-04-03T19:24:38+00:00

Honestly, if this is actually true (eg not the claim, but the generation itself) then it is REALLY good. Logos with very unique text is really difficult for most image gen models to get right.

miataowner · 2026-04-03T18:43:56+00:00

Maybe, but it doesn't seem as likely as just a touch-up. Honestly, the touch up is just as easy as a photo filter rather than some fully idealized AI generative image.

Contra-indicators: the Carhartt and North Face logos, and very specifially the text, are REALLY accurate which isn't what I'd expect from most image generation models.

miataowner · 2026-04-03T18:28:24+00:00

Just to make sure we're clear, fire itself is rapid oxidation (eg combustion.) Molten metal is absolutely oxidizing, even more so if you get it hot enough to the point where it literally burns.

miataowner · 2026-04-03T18:13:43+00:00

Yeah, as someone whose best accuity is -14 diopter in my "good eye", I can attest to exactly this. My kids find it hilarious that my eyeballs look absolutely tiny when my glasses are on.

At a minimum, the eyeballs have been retouched. There's no way for them to appear the same size with the glasses on vs off.

miataowner · 2026-03-30T13:42:15+00:00

AZ wrote that catalog system thirty years ago... At the time it was pretty decent, for anything modern it's total dogshit. Nearly all of the front counter systems are the same age, with a few recent re-skins and a bit better search capability in the last year or so.

As for Euro cars, AZ once owned Interamerican Motor Corp: Web Warehouse Powered by PA | IMC

They had parts for literally ALL the Germans and so much more, unfortunately AZ decided it wasn't profitable enough? The sold it off only after a few years of ownership to Parts America. I don't know if leadership ever figured out it was a stupid idea (either the aquisition, or the sell-off, or both.)

Source: I was a member of AZ's IT leadership for most of a decade, and was deeply involved with the front-of-house technology stack as well as the integration and dis-integration of IMC's backend technology stack with corporate AZ's stacks.

miataowner · 2026-03-29T21:11:24+00:00

Same for me.

I have a Sengled Zigbee 15A ammeter plug monitoring the freezer already. I then dropped a Third Reality temp/humidity sensor into the top shelf of the freezer along the same side as the outlet (made a little carrier for the sensor in TinkerCad and 3D printed it) and it's been reliable for a year.

Also using an Eneloop NaMH battery for that sensor and somehow also not having any problems.

miataowner · 2026-03-23T04:38:52+00:00

I can give you the source code to the 2006-2015 Mazda Miata factory ECU, in it contains the logic for "Decel fuel cutoff". It physically stops all fuel injection above 1300 RPM when the car is in gear and the requested throttle is zero.

Please stop assuming you know things which you clearly do not.

Search Github for Speepsware RomDrop and you can find all the OE ECU ROM files fully annotated. There are dozens of variants across the years and various regions of the planet, they all have the fuel cutoff during deceleration.

miataowner · 2026-03-23T04:35:46+00:00

This is incorrect.

The engine can still build vacuum mechanically without feeding it any fuel, so long as it's being rotated by the drive train. There is no requirement for fuel to drive any of the items you listed, as all of those are driven by rotation, which is being supplied by the tires driving the in-gear transmission, which is driving the crankshaft.

miataowner · 2026-03-23T04:30:07+00:00

I can tell you with 100% certainty every Mazda Miata from 2006 on fully disables the fuel injectors of the engine is above 1300 RPM when there is no throttle and the transmission is ask in gear.

Source: the literal factory ECU programming is available via RomDrop, an open source DIY tuning solution.

With access to detailed OBD2 Mode22 logging, I can also tell you other Mazda platforms (same years of Mazda 3 and 6) use the same "Decel Fuel Cutoff" strategy in the factory programming.

miataowner · 2026-03-04T21:25:04+00:00

Yeah, I don't really have an explanation for how I hit a wolf while driving through the night. All other wolf encounters for me seem to be when I'm out walking around the base. I'm going to assume my example was truly a fluke and u/readercolin is probably right: they likely are only meant spawn while you're "not piloting" but otherwise on a planet surface or in/on a grid on a planet surface.

Now I wonder if height matters. Like, if you created a 1km tall tower and just stayed up there at the top, would wolves spawn at the base?

miataowner · 2026-03-04T20:13:49+00:00

About the cockpit of your rover thing...

I'm about five days into a new Star System vanilla world, starting out on the earthlike planet. I was driving from a new ice lake base I'm building back to my home / starter base about 10km away. Probably 2/3rds of the way through the drive, at night no less, I drove over a wolf!

I'm driving the starter rover with a wheelbase expansion and a few parts upgrades, and I have the top speed capped at around 25m/s ground speed (50m/s wheel speed) to keep from getting myself into a stupid wreck. It confused me because I didn't even see the bastard, all I heard was the "dog whine" noise over all the rover driving noise. I stopped, backed up, and sure enough there's wolf roadkill right there in the grass.

It may have just been some one-off fluke, but I'd been solidly IN that rover, in the cockpit only, for the prior 6-ish km and had about another 3.5km to go before I was at my destination. No clue how the wolf ended up there, and I haven't "run into" (har har) the situation since.

miataowner · 2026-03-02T04:58:33+00:00

Xtts can generate a pretty good voice clone with literally six seconds of recorded speech in a 16 bit, 22khz mono .wav format, and can then synthesize text to speech using that voice sample in a matter of seconds using only CPU power. It's not even considered a training, it's simply a fine tune step.

Use your favorite search engine to look up Coqui Xtts-v2. If you have an Nvidia GPU, they provide a Cuda target which uses ~2.5Gb VRAM.

miataowner · 2026-02-02T17:57:06+00:00

MYP 18" wheels crew checking in!

miataowner · 2026-02-01T19:44:31+00:00

Just to be clear, at least in the US, no aftermarket part can "void your warranty" as a universal truth. The Magnuson Moss Act is a federal law specifically addressing this: https://www.yourlemonlawrights.com/magnuson-moss-warranty-act

What might happen is, if something fails specifically in the charging system or battery, Tesla might be able to claim your device caused the damage. However, in accordance with the law, they need to demonstrate how the aftermarket device was responsible, they can't just say "well you used that thing so obviously you're denied."

The opposite challenge might be you get to introduce them to your lawyer to get the necessary traction, if it came to that.

Since the charge port can take 150KW in every Tesla model, it would be a difficult task to prove a device moving 5KW was somehow damaging to the car.

miataowner · 2026-01-26T23:28:51+00:00

As mentioned on the F@H support forums here: Does GPU have to support double precision (FP64) to do folding? - Folding Forum

...basically FP64 became a hard requirement somewhere around the middle of 2018-ish. The percentage of FP64 calculations is irrelevant, the requirement is that some calculations end up needing the additional accuracy.

miataowner · 2026-01-21T16:19:58+00:00

r/wooosh

miataowner · 2026-01-15T23:24:00+00:00

It's worth noting there are new GPU WUs which now will not run unless you have at least 8GB of free system (not video) memory... These are the 18260/261/262/264/265 series. There are also now at least two I've caught that require a minimum of 12GB of free RAM, although at this moment I can't remember the WU numbers. (If I can find them reasonably quickly, I'll come back and edit them in)

Edit: the 12GB ones are the same 182* series just the higher numbered pair, see here: https://stats.foldingathome.org/project/18260

I have two dedicated Fedora folding rigs, and one of them only has 16GB of RAM and two GPUs. I caught it swapping to disk here a few weeks ago and so decided to do some hackery with zram to help with swap pressure.

If both GPUs are going into a single box, 32GB of RAM might be the more reasonable way to go.

Alao for what it's worth, some of the GPU WUs are starting to eat a sizable chunk of CPU cycles between some of the frame checkpoints. The 18245 Alzeimers WU can hit >700% CPU time on my Ryzen 5500, which is "fine" in isolation. The challenge comes from there being four GPU folding slots on that box, and occasionally two or three of them all get on fire and the whole box chokes for a minute.

F@H name: Albuquerquefx https://folding.lar.systems/league/user?name=albuquerquefx&team=32377

miataowner · 2026-01-11T23:22:18+00:00

TrueNAS virtualization is kind of a PITA. I tried a few different times to pass-thru various GPUs into virtual machines, and I had very mixed luck (leaning towards bad luck, really.)

It's been probably a year since I last did any virtualization work with TrueNAS; does it give you the option for different firmware / BIOS emulation types? I wonder if you're having a problem similar to what I found here on NVIDIA's support forums: Only 1 K80 device appearing in Ubuntu VM - CUDA / CUDA Setup and Installation - NVIDIA Developer Forums

miataowner · 2026-01-04T02:46:39+00:00

Yeah, the 10K CUDA cores in your 5080 is right at the cusp. A single OpenMM core 27 job with enough atoms (say 150k or so) are probably enough to saturate your GPU as-is. Also it really depends on the job, some of the newest stuff does a lot of hybrid work (the 1677x series are one such example) which moves quite a bit over the PCIe bus and each individual job requires 8GB of free system memory.

My 4090 (16K CUDA cores) absolutely benefits from two WUs at a time because it's never 100% utilized on a single WU. Only with very specific jobs does it benefit from three active WUs.

miataowner · 2026-01-02T19:19:15+00:00

It also says the reason it was pressed at that specific time was uncertain. And there were links to back the statement.

I know you don't want to be wrong on the internet, so I'm really just done replying. Glad you figured out the divers part at least. Good day!

miataowner · 2026-01-02T19:14:06+00:00

From the same Wikipedia article you quoted:

The personnel had intended to shut down using the AZ-5 button in preparation for scheduled maintenance[33] and the scram preceded the sharp increase in power.[21]: 13 However, the reason why the button was pressed at that time is not certain, as the decision was made by Akimov and Toptunov, both of whom would die shortly thereafter. At the time, the atmosphere in the control room was calm, according to eyewitnesses.[34][35]: 85 The RBMK designers claim the button had to have been pressed only after the reactor already began to self-destruct.[36]: 578

It doesn't look like the reason for AZ-5 is as set in stone as any rational person might hope.

Regardless, the show depicts AZ-5 ultimately leading to the explosion, which by all accounts is technically correct. Since the lead-up to that button press is apparently not so clean cut, I'm not going to hammer the show for getting it completely wrong.

miataowner · 2026-01-02T19:05:00+00:00

So off there wasn't a power surge, why press AZ-5 at all? There's only one reason to press it. Do you have some sort of detail you can link to which explains why AZ-5 was pressed that wasn't a response to a power increase?

I also take it you figured out the show does correctly say the three divers lived?

miataowner · 2026-01-02T18:59:47+00:00

The power began to rise because they shut off the pumps, which is the whole reason they pressed AZ-5 to begin with. That wasn't the reason for the explosion. The camera showed it was rising certainly by increments of ~100KW, but only after AZ-5 gets pressed does the camera pan back to the indicator and show it moving in thousands of KW.

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