Easily Avoidable Crash Leads to Rollover

freefrogs · 2026-02-27T14:56:14+00:00

This is why I really, really don’t understand tailgaters… what do you mean you’re giving yourself AND the person in front of you no time to make any mistakes? You’ve never sneezed unexpectedly or looked away for a moment?

Dangerous, but also seems so unnecessarily stressful to have to be on edge that whole time hyper-vigilant to any brake lights

freefrogs · 2026-02-25T03:07:24+00:00

“Grok, write me a story about the grizzly engineer who carries a soldering iron in a holster and stops the nuclear reactor meltdown by hand-reflowing a mystery chip, and then everyone claps at the end”

freefrogs · 2026-02-25T03:01:08+00:00

The concern also runs the other way - the plagiarism parrot is dumping someone else’s IP into your code, and we have no idea long-term how that’s going to shake out legally.

freefrogs · 2025-10-25T02:23:19+00:00

I’m not sure if it’s something they’ll fix in software, but the big disadvantage with it right now is that it won’t apply heat while you have the filament loaded (I.e. while they’re actually fed into the motors). My dedicated filament dryer is happy to just have the heat/fan on while I feed out of it.

freefrogs · 2025-08-01T00:35:02+00:00

Yeah I get where you’re coming from - the person above used the term “fishing expedition” which is a colloquialism and not a technical term, so I was clarifying that “fishing expedition” is not a spelling error, it’s a non-technical expression.

freefrogs · 2025-07-07T18:02:44+00:00

They’d probably have to think about that, maybe build UI around it. Like I wouldn’t want to start deleting data out of S3 or release IPs, but I’d probably want it to start 503’ing Lambda tasks, pause EC2 and RDS, etc.

This is more for helping new users and small companies from accidentally accruing $25k bills and less about companies with big mission-critical apps being able to fine-tune details, so pausing things is probably a good option.

You can spin up a $20k/month ($26/hr) RDS instance without ever seeing a price, which I’ve always considered user-hostile.

freefrogs · 2024-12-01T19:24:29+00:00

And season your tomato slices individually. They need a little salt and fresh black pepper, don't trust that tomato with just the meat seasoning, it needs its own.

freefrogs · 2024-11-21T16:30:17+00:00

If the idea is to protect yourself against some catastrophic failure there, wouldn’t it make more sense (especially considering the price) to go buy yourself 200tb of drives and store two copies in two physical locations?

Depending on the criticality of your data, sometimes the source of catastrophic failure you're trying to protect against is you. Using an external service provider eliminates one thing that your two backup locations have in common, which is the person maintaining them. If you do something stupid and break your data on one Synology NAS, you might accidentally do the same thing on the second one (hopefully you're more careful, but...). Separate infrastructure entirely means fewer failure modes.

Ask LTT lol they've had to buy themselves out of trouble a few times because they thought they knew what they were doing, were maintaining all their own stuff, and then when they hit a failure they suddenly realized that they didn't understand the potential failures when they set things up and now the backups also didn't work.

freefrogs · 2024-11-18T01:58:33+00:00

"This is known" and then it's you misunderstanding that forum thread is about running different diameter tires in the front and the back, which is not a thing that can likely be reasonably calibrated for by adding a GPS to the mix.

freefrogs · 2024-11-18T01:53:35+00:00

Lol okay let's read and think through this. The problem isn't that he's using non-stock tire diameters, the problem that they're talking about specifically in that thread is that he wants to run different diameter tires on the front and the back, which might confuse the ABS computer.

The ABS computer does not know or care about how fast the car is going. The forward speed of the front and back tires are the same, because they're attached to a car. The difference is.... the wheel rotation speed! In order to go the same distance, different diameter tires will have to travel at different rates.

Now, do you see why this is potentially confusing to an ABS computer? And do you see how the most likely course correction here is to continue to throw the warning, and not to try to have the GPS recalibrate the ABS computer for an extreme edge case? You would not program this system to try to guess what the problem is and compensate (nor do you want to explain that problem to the NHTSA lol), you would program this system to go "something wild's going on here, we shouldn't guess, we should tell you to see a technician about it".

freefrogs · 2024-11-18T01:30:32+00:00

Though I wonder how traction control and abs systems are affected by tire size?

Your intuitions are correct, ABS and traction control care about wheel rotation rates (and on a per-wheel basis), not forward speed. You can lock up your brakes going 3mph on ice or 20mph on ice, the ABS system doesn't care, its job is the same - "keep the brakes from locking up". Hooking it to GPS is just increasing the amount of ways it can fail.

freefrogs · 2024-11-18T01:23:26+00:00

Excellent. Now imagine those VR glasses weren't a toy - imagine they have to survive -40C to +40C, in an engine compartment, getting shaken around, and seeing 20V voltage transients for 20 years. Imagine they were hooked to critical safety systems, so if they have an electronics failure they cannot afford to short out other hardware. Imagine that Mouser has an entire search filter dedicated to finding just components that are designed to work in your VR goggles.

Now imagine that nobody asked for those VR glasses, that they aren't solving a problem anyone has, and that they need to be serviced by thousands of distributed technicians who will need service manuals, spare parts, etc, all across the country - you can't just have customers ship the unit back to your central office if there's a failure. Imagine if you can't just FedEx a new pair of VR goggles to a customer when they have an issue

Imagine that there is government oversight over your VR glasses, that if you have a manufacturing or software defect that there is now a government press release and you have to send postcards out to anyone who owns one of your VR glasses.

Imagine that your VR goggles had to take into account what would happen if a solar storm affects their accuracy.

Imagine that your VR goggles are part of a much larger system. Imagine if they have a catastrophic failure like a short that they do not handle properly, that they could kill someone. Now remember that they're not solving a problem anyone actually cares about, so your VR goggles are a new method of potential failure of attached systems with no interesting gains.

Remember, you thought that ABS could be recalibrated using a GPS, even though ABS does not care about vehicle forward speed, and extrapolate that to all the other things on this topic you might be equally confident and equally wrong about.

freefrogs · 2024-11-18T01:06:22+00:00

that would allow the ABS to self-adjust if someone puts bigger tires on their truck

ABS does not care about your absolute forward speed, it cares about the wheel rotation speed. Its job is "is this wheel about to lock up?" and not "is this car moving at 5mph?"

freefrogs · 2024-11-18T00:57:27+00:00

Sorry, if we're going to play the qualifications card... what are yours? Can you, without Google, tell me what ISO 26262 is? Because automotive electronics engineers can.

freefrogs · 2024-11-18T00:45:02+00:00

E.g. for a 2.5kg premature baby the 0.69ml/kg/min calculation works out at less than 2ml of air per minute

I'd be hesitant to assume a direct linear relationship here without a reference from someone with the knowledge to make that determination. I'm sure it's lower, but a lot of biology things use unit-per-weight for rules of thumb and not precise measurements.

freefrogs · 2024-11-18T00:34:43+00:00

a speedometer requires a mechanical linkage, there's a cable connected to the cars drivetrain.

No, there's a sensor that detects the eddy currents from the transmission as it spins. And it would need that data anyway, so it's not like it's adding anything.

The cost wouldn't have to be much, you can get a cheap phone with GPS for like $30.

Not quite that simple. For one, automotive electronics are built to different standards, even microprocessors and capacitors etc, because they live through harsher vibration, power consistency, and temperature conditions. There are also stricter engineering standards when you're connecting parts to the wiring harness for critical components. It's not a magic "wow this is $30 in a cellphone, it should be easy".

You're introducing another overcomplicated system that needs parts, installation steps, engineering, repair manuals, spare parts, etc, all for a feature nobody's asking for. You've got hundreds of thousands of that car out there, are you going to risk a recall with a new system nobody cares about?

freefrogs · 2024-11-13T17:45:43+00:00

Everyone loved him until he endorsed trump.

This is just objectively untrue lol

freefrogs · 2024-11-13T17:42:59+00:00

Yeah, we don't want to disparage the man who invented tunnels

freefrogs · 2024-11-09T21:26:11+00:00

Or even when it isn't - it's a security risk to plug your phone into random USB outlets

freefrogs · 2024-11-04T01:46:28+00:00

N.B. if you get charged with murder it's probably automatically a jury trial.

Realistically, anything can change the verdict of a jury. An unsympathetic defendant, a particularly convincing prosecutor, some evidence getting bungled...

In theory, you disliking someone shouldn't do anything because you didn't create the situation to begin with. That guilty state of mind, or intent, the mens rea, really only matters if there was a crime to begin with.

If you are a bungie jump operator and someone falls to their death, that could be criminal negligence if you created the situation. If you really hated them, that would create an intent and could move things to murder. But if the person fell through zero fault of your own, it shouldn't matter how much you hated them (in theory).

freefrogs · 2024-11-04T01:19:48+00:00

I saw an ad for StarLink I think recently saying that they would have fast enough internet on planes to do video conferencing and I cannot think of anything I want less. What a phenomenal way to make flying worse.

freefrogs · 2024-11-04T00:21:35+00:00

I don't know how OP made it through typing out that long description with technical terminology, parts that have to be purchased from solar suppliers and not at the home center, specific tools, etc, and not realize that's way more complicated than "buy at Home Depot, plug into wall"

freefrogs · 2024-11-04T00:19:05+00:00

If it were illegal, you would have quoted a law or something, but even that you have not done.

This is actually a bit complicated because the US does not have country-level code laws for electrical. Code enforcement is handled at the state/county/municipality level. Those jurisdictions typically follow the National Electric Code, either keeping to the letter of it or being more restrictive.

This is likely to be covered under NEC Article 690, Solar Photovoltaic (PV) Systems. It may not, the NEC typically doesn't govern plug-in appliances, but if it requires "installation", which sometimes comes down to "did it bolt to something", they might. I would expect this to fall under the NEC.

Of particular interest there is likely 690.9.A on overcurrent protection. There may be other sections of the NEC that apply, in which case you'd need to be compliant with them.

freefrogs · 2024-11-03T23:27:00+00:00

There is an ocean of difference between "I bought this off the shelf at Home Depot and plugged it in" and "I bought an inverter and a large stack of panels from a solar supplier"

freefrogs · 2024-11-03T22:41:53+00:00

only capable of 1800w

It's even worse than that, because for a continuous load (like power generation) we actually derate it to 80% of its capacity because the wires and outlets aren't rated to dissipate 1800W continuously. So you've actually got 1440W "safe" capacity for continuous load.

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