221–230 of 362 posts
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https://web.archive.org/web/20231203014618/https://www.nytim...
Oh, thank you. I see that full links do not require javascript and captchas with cars and traffic lights. I though that web-archives becomes plainly unusable, but it seems that it is only for short links. I wonder, is there any way to expand short links without captchas.
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How does a technical gas supplier factor into the life of today's teenagers? I'm genuinely curious. Is our hypothetical 12yo person learning tig welding on a side?
Nitrous oxide is a popular inhalant. It's reasonably safe despite the usual hysterical claims, and it's unregulated in most countries, possibly because regulating it would drive users towards more harmful inhalants like glue and petrol.
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A vaccine that had a significant impact on a notable percentage of the population 24 months before widespread uptake. The Thiotimoline of vaccines. https://commons.wikimedia.org/wiki/File:Historical_Average_A... https://en.wikipedia.org/wiki/Thiotimoline
Spelling this out slowly for the reflexive downvoters, ACT test scores began their decline well before any widespread use of mRNA COVID vaccines which would make them extremely novel in their endochronicity if they had an effect before they were used. Otherwise, as pointed out by lostlogin, mRNA vaccines have been used in humans since 2013 and studied in animals since 1989 which makes them less novel than widely clai…
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Perhaps, but I did review the material before I posted it. Did you?
Blaming DEI is a dog-whistle for 'people should know their place' The Free Beacon, Fox News, and the other last four you listed are in the business of telling old white people to be afraid of everything. It's the same as denying someone a job because they are not culture fit for a company. It's because the people doing the hiring only want to hire people from their background, college, etc. The safety issues and staf…
This seems to be you shoehorning in political beliefs. You can't analyze a situation by taking a list things done by politicians you don't like and picking out the ones with the same keywords.
It's not reasonable to blame a recent 65% year over year increase in safety events to an event that happened 42 years ago. Federal Air Traffic Control was created 45 years before Reagan's firings, so they've had as much time to recover from Reagan that as they had to get to wherever they were when Reagan came along.
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ACT test scores have plummeted too. Combined with what we know about the physical brain changes that can be observed after a single mild infection, it all paints a potentially concerning relationship with COVID.
The same as the PISA scores. PISA, which might not be well known is the US, is the International Student Assessment for the 15 years old students in the OECD (and non-OECD) countries. The PISA measures their ability to use their reading, mathematics and science knowledge and skills to meet real-life challenges. The PISA scores for 2022 is the lowest in the history of PISA and show a clear trend downward since 2012. T…
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I followed road traffic safety since 2020 closely (and have submitted and posted about it here) and traffic fatalities is slowly coming down since 2020. My hypothesis about it was that the empty roads in 2020 caused drivers to degenerate in terms of road manners. For example, deaths per mile actually increased in 2020 despite people driving fewer miles which suggests people drove less safely. On the other hand this a…
I’ve noticed a pretty drastic decline in driving behavior around here. We’re seeing a LOT more just absolutely insane drivers doing things you’d only see in the worst of compilations a few years ago. Something happened during Covid that made people just not care anymore. Also doesn’t help that cops are not pulling people over as much as they should. Watched someone just yesterday fly through a red right in from of a…
Interestingly, in 2022 the FCC changed the range of acceptable EKG requirements for heart health required for pilots; previously the PR had to be between 0.12 to 0.2, and they widened it to 0.12 to 0.3. That would have allowed pilots with mild cardio injury (who are more likely to suddenly pass out) to fly.
I’m not sure where this has come from. First degree heart block (ie a PR interval > 0.2) is not a marker of mild ‘cardio’ (NB: it’s cardiac) injury. It does not cause syncope. It is a reflection of electrical timing between the cardiac chambers. It is not an echocardiogram or a RHC and will tell you nothing about the anatomy or physiology of a person’s heart other than timing. It is not a full electrophysiological st…
A PR interval greater than 0.2 is considered "First-Degree Atrioventricular Block" (https://www.sciencedirect.com/topics/medicine-and-dentistry/...), which "occurs as a consequence of disease in the AV node and is common in older patients." How does something indicating disease in the atrioventricular node not constitute mild cardiac injury? According to that page: "Recent data from the Framingham cohort suggest that in the long term, patients with first-degree AV block have a significantly higher risk of requiring pacemaker implantation and have a higher mortality rate." Would not this increased risk of severe events also constitute an increased risk of mild events like temporarily fainting?
>Pilots already have strict medical guidance for health and unexplained syncope is not something that is hand-waved away.
Those strict guidelines were made less strict in 2022 by increasing the cutoff for PR interval, and the following year we're seeing an increase in flight incidents.
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> Car crashes and ATC mistakes are two different sets of data. Just because they are going up or down at the same time and you can overlay some other event on top of it means absolutely nothing on its own. A good time to dust off this classic: https://www.tylervigen.com/spurious-correlations
Except that COVID is known to be brain invasive and to affect cognition. This looks more like refusing to ever entertain the idea that letting COVID rip was a bad idea and lockdowns and vaccinations and masks were justified because you don't like it , than actual scientific rigor.
There's an increase in incidents because ATCs are overworked and understaffed. The knee-jerk reaction is to try to automate the work away. A few problems with that kind of thinking: - Automation already exists - e.g., the collision detection warning mentioned in the article. I don't know much about air traffic control but I imagine there's some element of defense in depth. ATCs dozing off or running on fumes won't ca…
Automation could simplify that a lot and remove a lot of the uncertainty. Making communications easier might save some lives. A lot of accidents are caused by human pilots and typically that involves them making mistakes in stressful situations. Dealing with ATC is very stressful for pilots. Task saturation is something they all fight throughout their career. IFR pilots have to train and fly a lot to stay current; the ability to keep up with the radio communication and fly procedures safely is quickly lost when they don't. That's how hard it is. A pilot that is not current is not a safe pilot. That's why the rules are so strict for this.
If you look at this space from a distance, it's kind of obvious that more automation is going to be inevitable. Airspaces are busy now and they are going to get a lot more busy in the next decades. At least part of the traffic is going to be autonomous. Those planes will likely be communicating with ATC via networked protocols that have yet to be proposed and standardized. There is no reason why those protocols could not work with other planes. And it would free up ATC staff and pilots to do more urgent things. The way ATC is currently done is not scalable or future proof.