jhayward

27 ms·

181.
by jhayward 6y ago
The vessel head had corroded completely through the 6.63" steel pressure head, and the pressure vessel was relying only on the inner cladding to contain pressure. They were just a transient away, for years , from a steam explosion th
182.
by jhayward 6y ago
> I observe that it has safely managed nuclear power. This is not a correct statement. You cannot assert, for instance, that the pressure vessel head corrosion issue at Davis-Besse[1] was a 'safely managed' power plant. [1]
183.
by jhayward 6y ago
Brazos is a co-op, and is not part of the competetive retail market operated by ERCOT. They own their own generation and distribution, but are part of the grid for reliability purposes. I'm not aware of any mechanism that could force
184.
by jhayward 6y ago
> Notably, the computer was still doing important work (ahem, flying the LM :-) ), and the tasks it didn't have time to do were not critical. I believe this is incorrect. From an earlier HN discussion: " The 1202s were also a
185.
by jhayward 6y ago
They were always going to work, but only if they were used in their proper context: to knock down the size of the epidemic so that less intrusive, more efficient means of infection control can happen: universal, repeated testing; universal
186.
by jhayward 6y ago
We should note that the >14-day efficacy is presumed to decay fairly rapidly, thus the need for the 2nd dose to cement the response long-term, as well as eke out the last few percent of efficacy.
187.
by jhayward 6y ago
And the most recent ETOPS rating I've seen for a 777-300ER was 330 minutes. Almost 6 hours.
188.
by jhayward 6y ago
Welcome to the product space made famous by the disk drive industry for "disruptive innovation".
189.
by jhayward 6y ago
Mapquest was a whole business, a growing, going concern.
190.
by jhayward 6y ago
My local government operates several utilities, and does it very well and at reasonable prices. And when there are problems - their board of directors and CEOs are very visible and reachable. Some live in my neighborhood. Of course, the ci
191.
by jhayward 6y ago
No. Texas does not have 15 GW of import capacity.
192.
by jhayward 6y ago
> Texas had peak electrical production capacity of 37,600MW for it's population of 29M Texas delivered a peak of over 60GW last night , before an unprecedented falloff in generating capacity due to weather and grid conditions.
193.
by jhayward 6y ago
The lipid nanoparticles that the mRNA is bonded to play a dual role, enabling the mRNA to traverse the cell boundary, and also as an adjuvant.
194.
by jhayward 6y ago
There are more: https://www.reuters.com/article/us-usa-surveillance-watchdog...
195.
by jhayward 6y ago
Mine does as well. I attribute it to the fact that my arms aren't skinny, and I can impede blood flow by, e.g., "crooking" my elbow and compressing blood vessels there. I also sleep on my arm, which I suspect likewise imped
196.
by jhayward 6y ago
There are at least 70 million Americans that are anti-science. How many would be "many"?
197.
by jhayward 6y ago
The Python core developers have been working on caching in the interpreter for close to a decade[1]. They're very conservative, though, both about making the interpreter more complex as well as ensuring that nothing regresses in perfor
198.
by jhayward 6y ago
No, I used an image from a Medrxiv preprint from a world-famous immunology institution. The attribution is listed in the image. There's no easy way to embed images in HN, and that one was available. Go ahead, keep deflecting. It&#x2
199.
by jhayward 6y ago
https://www.medrxiv.org/content/10.1101/2020.10.25.20219048v... Page 25. Actual infectious disease scientists. There are two conclusions you can draw from these graphs: 1) The vast majority of 'positive&#x27
200.
by jhayward 6y ago
https://twitter.com/LaymansScience/status/134538112170665164...
201.
by jhayward 6y ago
Tell us, learned friend, what is the average CT recorded on positive tests today? And what is the false positive rate of those tests? I'll give you a hint - it's less than 30, and about 0.005%. So why, pray tell, is CT such an
202.
by jhayward 6y ago
Because science is complex, there is no universal answer to "what is the right CT" for PCT. Each assay/test configuration and mechanism has its own characteristics and constraints. The right number can vary, even from lab t
203.
by jhayward 6y ago
The number of anti-science misinformation red flags in this are remarkable. Yes, there is strong evidence that vaccine-derived immunity is quite a bit more protective (as evidenced by antibody titers) than disease-acquired immunity. The PCR
204.
by jhayward 6y ago
Ok, since it's a fallacy, I have some mountain trails I'd like you to walk today. They are icy, but since it's a fallacy, I doubt you'll fall to your death.
205.
by jhayward 6y ago
People with diminished physical skills are probably not the intended market for a "plaid mode" race-capable car.
206.
by jhayward 6y ago
These days, very safe. Back then? We came within one safety of h-bombing North Carolina. "The bomb’s arming mechanism had six or seven steps to go through to detonate, and it went through all but one.”
207.
by jhayward 6y ago
Because your description of obesity has very little to do with what's actually happening. It's just more of the pernicious "sickness is due to evil, health is due to righteousness" nonsense that pervades certain demogra
208.
by jhayward 6y ago
There are a lot of people who left white-collar jobs for trucking; engineers especially. Something about wanting to be more or less your own boss, control your own schedule, and not be in an office is appealing. So your stereotype for &quo
209.
by jhayward 6y ago
Really? What value does the 'minutes' digit of the first minute of an hour have?
210.
by jhayward 6y ago
Do you mean something like the radios prominently displayed on the tactical gear of the SF larpers shown in many of the vidoes of the insurrection?

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