skysight-inc/HackerNews huggingface dataset:
Ask HN: How can I 3D print my skeleton for research?
Hello HN,

I would like to 3D print my skeleton to observe bone structure/features.

1. What kind of medical scanning would be appropriate for this case? Where can I get such a scan and pay (out of pocket) for it? Are there any dangers, and if serious, is it worth the fun of replicating your own skeleton?

2. What kind of medical scanning hardware would best suit my need? Does it support exporting imaging data for later 3D printing?

3. What's the best 3D printer (or printing service company) and material to print the imaging data from the scanning?

Thanks for your assistance!
This puts the nail in the coffin of a quick software fix getting the max back in the air anytime soon. To have any credibility the FAA is going to have to recertify the entire flight control system with all failure modes considered. And no scout's honor with Boeing this time.
MacOS now has app sandboxing.

Sandboxing is extremely hard to get right. It's even harder to retrofit it into an existing system, because so many programs exist that just store files wherever they feel like, and you don't want the new OS to break all the old programs. And if the OS provides a "legacy program" mode, malicious apps will just use that.

In addition to files, sandboxing has to protect against capturing screen pixels, getting keyboard events, doing network or device IO, inspecting the cut&paste buffer, and hundreds more things, all of which some apps have legitimate reasons to do. So the matrix of permissions gets very large.
> They went for option 1 in this case, with the MCAS kicking in 5 seconds later.

Yeah, they basically had to go with option 1. They were only 1,000 feet above the ground, the maneuvering room to let the nose dip, crank, dip, crank, etc until properly trimmed just wasn't there.
If I were trying to explain to someone who knew computers but not cars why I would never buy a car with an engine swap, this is exactly the post I would point them to.
Hence, "in some states".

It's entirely possible some form of pre/post-nuptial agreement exists, as well.
It's not so much that they're Muslim, but that they're Uighar, concentrated in one region, and calling for independence much like Tibetans. The Hui are also a majority-Muslim ethnicity within China, but their faith is accepted and even growing, because they're less geographically concentrated and seem to be fine being part of China [1].

Note that's not to excuse the terrible treatment of the Uighars, but to illustrate that it's not just about their religion.

[1]: http://time.com/3099950/china-muslim-hui-xinjiang-uighur-isl...
My guess (since I really know nothing about the physics) is that it is not strictly PSI, and that there is some lower limit of weight where it doesn't apply.

I know that the folks who actually do this work calculate weight per axle rather than weight per square inch. Why they do it that way I don't know.
I still remember Nick Parlante's Intro to CS. Great stuff.

https://lagunita.stanford.edu/courses/Engineering/CS101/Summ...
> 1. You're not breaking down the work into small enough chunks to properly think about how long it will take

This usually means prototyping, which means actual coding, which means you couldn't do it as you already had to give your estimation. To put it another way, places who require estimates for planning want them during planning and don't allow time for doing this. On the up side, when they do let you take the time to prototype they take your prototype and put it right into production because then the estimate is 0.

> 2. You are probably consistently under (or rarely over) estimating and should be able to fix that. For me, I have to triple my estimates, it always takes 3 times longer than I think it would

This is a common trick but it really just means you are not really estimating, but guessing that it will take less than this amount of time. This would be more apparent if you gave an estimation range, what you actually estimated to your estimate times the 3X padding.
Glad you guys dig this. As the author of the story, a bit more context here might be helpful for the non-ski crowd.

The simple verison is that small resorts really do operate on minuscule budgets. When I met with the marketing director of this mountain, they were struggling to afford email marketing. Vail might spend more on a single print ad than a mountain like Nordic Valley does all year on marketing. This means that vendors struggle to build stuff that would solve their needs because there's just not enough money in the ski area's pockets to buy it. In other words; solutions like this aren't just clever hacks, they are often necessities.

This often manifests itself in turning stock, off-the-shelf stuff into things like ski racks or signage or tools. Some industry publications will even devote sections of their magazines to these hacks because so much creativity is born from them. This, however is one of the first times I've really seen it crossover into technology which is an awesome step to see happen.
> "Lisps are unreasonably effective because they have lambda calculus behind them."

I don't really buy that. CL remains unreasonably effective even when used by somebody using it in an imperative manner. And I think the majority of CL code out there is truly multi-paradigm, not functional. I think most of the unreasonable effectiveness comes from the relationship between s-expressions and cons.
Agreed, an article based on the report is not the same as the actual report. Not to mention it pulled this off the front page, where it absolutely should be considering the traffic this issue has been garnering.
Everyone uses the roads. There's no one who doesn't either use them for transportation, or receive goods brought in on them.

You're not going to avoid these fees because you don't drive, you'll just be paying for them through higher prices on the goods you buy.
I know. I wanted to get rid of our standup as it has no real point. The rest of the team wanted to hear what people were doing, so it stayed.
Nulls are facts of life. I wonder how they could be succinctly represented in a query language. Something like the `?` operator in C# / Kotlin?
TSLA has a market cap of something like $40B. Seems like the window closed on a determination of "successful" a few years back. Your argument seems to be that it's going to have to compete once the market matures and won't take over the entire industry. And that's... a flaw?
Yes, pilots selecting "up" on the trim switch should stop and override MCAS. But it also "resets" MCAS so that it will pitch down again on its next cycle. So you'd have to be constantly correcting it, or switch the electric trim off entirely (i.e. treat it as runaway trim).
Micah True in 2012. Also note that for marathons the number one cause of death is cardiac arrest. Now that is not explicitly what OP said, but you can see how one could draw a valid conclusion from that observation. I don't think that is "baseless", but I would agree that it is not necessarily a smoking gun. https://en.wikipedia.org/wiki/List_of_marathon_fatalities
Ha, we're having a discussion on that internally. It's a question of which unpleasant choice do you want?

* maintain my own code and pay interest on my technical debt

* pay someone else, hope that their interface and business remain stable
Hey everybody, I just want to point out that I'm working on a similar project to document evidence for and against claims: https://www.wikiclaim.org

The tech is dumb (MediaWiki on Heroku), but it's been sufficient to allow me to spend several hundred hours creating probably about 200 hundred wiki pages so far.
Blake's iOS Device Specification Grid has been updated to current
"Breach data provided by
Have I Been Pwned"
Sure, just throw some marketing style word play at it. Who knows, maybe this time it will stick?
Bitmoji Party
F5 Cloud Services- DNS Services Released
I do not think so. It is "super rich" and "super rich". Sounds like everyone got the same.

When you are in their position, it is more important to be fair to each other, which is then the 50:50.
Since it's kind of related to something a wondered about - can you spoof a device ID with those tools? So an operating system just eats it up? I know it's possible with VMs and device passthrough.
Obligitory reminder that the NT name predates Cutler at MS (it was originally called OS/2 NT)

EDIT: fix typo
F5 Cloud Services- DNS Services Cloud Docs API
But not bad enough that they could resist the pressure to have him back with just an excuse of "oopsies".
Coz that's what we hire journalists for. . . .
Zero is an under statement, but relative to the $4B Ford spends for example, Tesla's $70M advertising costs are tiny. You could also say that about the number of cars Tesla has sold too, but auto companies typically have an incredibly large ad spend.
a.k.a. every layman's writeup of bayesian reasoning ever.
Yes, this is also worded as "Slow is smooth, smooth is fast" - used for instance when following emergency checklists.

It's a good mantra when under serious pressure.
What are some economics of this? I figure each satellite costs at least $100mm to build/deploy. I know Amazon has access to a lot of capital, but $300b is too much even for them.
Mhmm, there should be a DRM-graveyard page...
Gee it's almost like this entire conversation is a semantic argument over the definition of "agreement".
Former Simple Bank Co-Founder Unveils New Blockchain Payments Startup
No JS - I was baffled - did not know about `<label for="<target here>">`. Nice.

https://developer.mozilla.org/en-US/docs/Web/HTML/Element/la...
> It seems like a major UX improvement, but is somebody looking for Prince Harry's Instagram account going to know http://www.instragram.com/sussexroyal

Instagram accounts (and similar social media IDs) are often communicated in print, and parsing and accurately transcribing things that work like natural language is a lot easier than something like an arbitrary base36-encoded identifier.

They are also sometimes communicated via orally or via radio, where being able to hear and remember is even more affected by the using natural language.
Audio controls are on the steering wheel (in the Model 3 at least)
I tried this a few years ago and ran into some speed issues ( http://www.mooreds.com/wordpress/archives/1359 ). Is that something you've encountered?
"grew apart" is a not how reality works.
A relationship by nature "disintegrates" if you don't work hard to sustain it.

This seems incredibly narrow-minded, it is 100% possible for a couple to realize their dynamic as two people just doesn't work as well in a romantic relationship as it does platonically, and if both parties are emotionally mature enough with it, they can absolutely part ways and still maintain a healthy ordinary friendship post courting.

Asserting that such a phenomenon isn't "how reality works" seems like a weird projection of whatever personal expectations and hang-ups you have about how relationships work.
I don't think fuel taxes are enough to pay for road maintenance anywhere in the US. It's always supplemented by some amount of general fund dollars.
Wow thanks for spelling that out. That seems like a challenging script!
No, sorry. I'm suggesting that there are vastly varying degrees of road use. A daily commuter benefits from (and causes more damage to) roads than a non-car owner. Both of these people benefit from deliveries to grocery stores, mail trucks, etc, and they will pay for them through the congestion pricing
"slow is smooth, and smooth is fast"

Ed: see also: "practice makes permanent".
> If you want to learn something, top-tier universities aren't much better than many other options.

Very true. In fact, at colleges like Harvard and Columbia, higher grades are often easier to achieve than at the mid-tiers like Boston University and NYU.

With that said, there are colleges that force you to absorb copious amounts of information and fail you otherwise. UChicago is known for this. Is that not symbolic of being top in "academic excellence?".

What you're implying seems more like the "prestige" category, in which Harvard was mentioned as the winner above.

All of this aside the point, this doesn't explain how Caltech would be #1 in academic excellence for a college, above UChicago, and Caltech's larger equivalent, MIT.
Not necessarily.

I think this poster is saying she's entitled to 50%, but it's a wise move on her part to accept 25% instead. If that's what they meant, those are not inconsistent viewpoints.
There's nothing inherently immoral about rationing healthcare. In fact healthcare is already rationed everywhere for most patients. In the US we mostly ration based on wealth, age, and employment status. But that doesn't necessarily mean other approaches are less moral.
C++ is a deeply, deeply flawed programming language carrying decades of baggage to stay backwards compatible. Let's not pretend that mere inertia is enough reason to keep using the same tools forever.
Despre Facebook Leak
Snapchat Game Platform
I'm sure she cares about her own legacy and wants to make a name for herself like Melinda Gates, Priscilla Chan, and Laurene Powell Jobs. Obviously would be more difficult if Jeff drags her through the mud.
It wouldn't be good for Shell's or BP's stock value if they predicted falling demand for their product...
“There will be plenty of unfavorable things about the president”
You might find this helpful. I'll probably use it for review myself, before I take the certification test.

https://news.ycombinator.com/item?id=19557489
Managing Python packages the right way
Layman question here:

Are there real scenarios where you want to have both control surfaces opposing each other so heavily? Are there real cases for having the trim trying to pitch the plane down while the pilot is trying to pitch up with the stabilizer?

Or should we limit the trim so it never actually opposes the pilots intentions? (Maybe set it to a neutral position and disengage auto function if this condition is detected?)
Thechnically they could have used the thumb switch and regained level flight to override the mcas system temporarily and then shut off the electrical system to the stab and trim manually thereafter. However, they didn’t know about the mcas system and the troubleshooting steps that Boeing has for that mode of failure were insufficient for this precise scenario.
Its idea of "language support" is also less than ideal, as it just considers the character repertoire and not whether the font can actually render the characters in a typographically correct way. Thus, it claims Unifont has "support" for various South and South-East Asian languages where exactly this issue applies: the text is simply wrong when displayed linearly using a 1:1 character/glyph mapping.
but it is a good service, that it alert me when i want to navigate a site, where data breach happened.
Until the subway can transport packaged goods, i think its pretty unfair to tax UPS / FedEx etc
Not only do ICE car companies not issue OTA software updates, some use the same software for driver assist features for years in a row. I had heard good things about Subaru's EyeSight system and went to check out the 2019s Outback. I was floored to learn that the system is no smarter than it was in 2017, when this version came out.

Are they not learning from the millions of miles their customers have driven in the last two years? One would think that there would be at least some incremental optimizations (either for common cases or edge cases) to make the systems safer.
So just in case you didn't notice it, the Nordic Valley team has simply put a docs.gooogle.com read-only link and put an iframe around it.

This is actually super interesting to me from both a company intranet perspective and for spinning up quick-view pages for my home gdocs instance.
Thanks for getting in touch and this nice video response; really appreciate it. My disappointment and emphasis was solely the contradiction between the tagline vs their feedback.
There's no way for pilots to know they have to trim down under what conditions?
As my anecdata: I work in the healthcare industry. In a typical month we send out less than a third of our total moneys (by amount, not payment) with ACH. Checks are de facto, at least from our POV.
The OverEngineering Challenge
I wish I could answer that, probably some delusional personality trait that wants to study science instead of programming.
Or another way to look at this is that up until today, she was entitled to 1/2 the wealth, so she dropped down a few places.
Software is involved, yes, but the problems are ultimately of management, risks (both underestimated and externalised on airlines, pilots, passengers, and the public), cutting corners, and complexity debt.
.bash, but it's less about the suffix and more about the shebang. On some systems sh is linked to bash or perhaps the `sh` executable includes bashisms. The .sh can be argued is signifying Bourne shell compatible/descended shells which would cover both.. but still.
Snap Partner Summit – Introducing Snap Games
Post-UEFI I wish this were more of a viable option.
Paul Graham is entitled to his opinion. I am a professional journalist and I disagree.

Journalists use the word "embattled" the way Merriam-Webster defines it: "characterized by conflict or controversy."

Typically it applies to a person who has been heavily criticized, or accused of wrongdoing at length or by many people.

Accurately describing a person as such is not at all the same as the journalist declaring a person guilty, and it's certainly not a "press code word."

He is seeing bias that isn't there.
Being imperative / functional is sort of orthogonal. The s-expressions that represent everything give you an immense power of composability, both in functions and in macros. You can define your own language in terms of Lisp in a way you can't in a Algol derivative.

I suppose that s-expressions and the ways to transform them when they represent a function application (that is, basically always) critically depend on lambda calculus. I can be wrong, though.
> How did this scenario get missed during testing? You'd think they would do extra testing around the new changes.

Seems like systemic issues. Reportedly Boeing's submitted risk assessment of the MCAS was based on a single adjustment applied from it, not repeated cycles of application based on a failure of the AoA to recover to what it saw as "level".

The FSB noted the change to the cutout configuration as a difference, but didn't analyze how that could change anything during Autopilot or Speed Trim runaway situations. They didn't even make any note of the MCAS as a difference at all (possibly they were not informed of it?).

I suspect this all comes down to the fact that Boeing started with a conclusion -- The MAX series must not require new simulator time -- and that conclusion was the lens through which they analyzed (or didn't) everything else.
I really wish we had society where these issues were the primary health problems. Unfortunately, the reality is that most of society's health issue stem from a lack of enough quality exercise. Obesity is a significant problem.
Isn't that their point? The article is acknowledging that they had set their expectations too high and so candidates were failing to meet one of the two goals, which is part of why they redesigned the process.
> This is not a choice between people staying home and patronizing local businesses. People are not driving into the congestion zone in Manhattan during rush hour to patronize local businesses.

Aren't they though? You drive to work, you stop at a coffee shop for a coffee and a muffin, you go to work, on the way home you stop somewhere and pick up dinner.

The bus isn't going to stop at the coffee shop and wait there for you to get your coffee, and if you didn't drive in then you don't have your car at work to go anywhere on your lunch break either.

> They're going to work. They are going to go to work one way or another. You realize there are other options besides driving alone in a car and sitting at home, right?

Options that are worse, by definition, or they would already have chosen them. And one of those options is to not go to work -- you take a job closer to where you live at the cost of lower pay, because you've been priced out of the one you had before. That is not a social benefit.

Compare this to improving the alternatives. Build more housing in the city, so that the density is higher, people don't have to travel such distances to begin with, and you can justify running buses and trains every ten minutes instead of every half hour. Which makes them quick and convenient enough that you can reasonably step off the bus to get a coffee and just catch the next one. Make things better instead of worse.
1. Postgres does provide natural joins:

http://www.postgresqltutorial.com/postgresql-natural-join/

2. Not all joins can be inferred like this:

` FROM People AS p JOIN Age_Groups AS ag ON ag.min_age <= p.age AND p.age < ag.max_age`
I tried the Jaguar I-PACE (a friend just purchased one), but the reason it is a no-go for me is the lack of fast charging. I would be effectively stuck in a one-hour radius from my home.

My Model 3 can conveniently do cross-country trips. I really wish Jaguar and Porsche adopted the Tesla charging system (I think Tesla tried to get them to).
Ask HN: When choosing a language for a program, what should you consider?
When choosing a language for a work related project, what should/would you consider?
You'll notice that on this platform every proven fact is annotated. As a result, proven statements stand out from unproven statements. This forces the writer to be upfront about which assertions are proven, and which are speculation/opinion.
Jaguar, Audi, and BMW are all working on electric cars to compete directly with Tesla. These are large car companies who know how to build millions of cars per year. They have large dealer networks already in place to sell and service their cars.

Competition is going to get a lot tougher for Tesla over the next few years.
Percent change in sales from Q4 2018 to Q1 2019

Tesla -30% (90,700 to 63,000) (deliveries)
Bolt -30% (6212 to 4316) (sold)
Leaf -33% (4029 to 2685) (sold)

Source: ir.tesla.com, random news articles on quarterly automotive deliveries from google news.
That's indeed a far more likely scenario. There are plenty of crazy humans around right now. It sure is a big threat, but AI can also help to prevent damage. To stay with your truck example, Anis Amri for example would have killed far more had the truck not had a system that automatically engages brakes when there is an obstacle. Similarly, one could build strong AI systems to shoot down any drone attack. Bioweapons are more dangerous IMO because they are harder to defend from.
Azure Front Door Service is now generally available
Does electricity at this level -- electrons moving in a corkscrew motion down a wire -- generate an electromagnetic field? If so, how does this field differ from electron motion in a normal conductor?
Simply remove your skeleton from its packaging and place it in a 3D scanner.

Seriously, where it gets tricky is that there is a lot of stuff (cartilage) in the gray area between bone and flesh. It shows up dimly in CT scans or other X-ray based imaging. If you omit all of it, the skeleton will seem disjointed. If you include all of it, it'll seem fused together.

BTW, you can buy actual human skeletons for around $5k. https://www.boneroom.com/store/c46/Human_Skeletons.html
Wow this would be a great thing to try to fix body faults
How much of that is due to the newer systems bring more accessible to the 'unwashed' masses?

I recall forums back in the day requiring a certain technical aptitude to find and post on them. That created a filter, keeping out those who weren't as deeply interested or as technically educated.