skysight-inc/HackerNews huggingface dataset:
>The value is in an entire nation demonstrating

An entire nation? It was one month of around 10,000 cars. A good sign, but let's not get ahead of ourselves. Let's see how month two goes perhaps?
Michael Lewis writes about him in Flash Boys, his book from a few years ago.
Are you guys hiring junior devs? This looks like one of the few sane applications of blockchain technology that actually would make the world a better place...
Right, thanks for the correction.
It's amazing that such an obvious statement has to be said!

The title of the article is like something out of a comedy: it's "stunning" that people who drop out of work for a while earn less, and that more women than men drop out of work because of childcare? How many people on the street would really be stunned to "learn" that? It's the basics of how the species has always reproduced itself.
> Nobody takes BTC in exchange for goods and services, absolutely nobody.

I was simply trying to show that your original statement was hyperbole, as there are clearly notable retailers that do.

Also as a consumer, I don't see why your point about intermediaries is relevant (barring the marginal price difference between them). If you are planning on purchasing something from a business you don't really care if they are using Intuit or Square to process credit cards transactions, just that they accept credit cards for payments.
Only if you've allowed the battery to cold soak. Once warmed up, regenerative braking operates as expected (or if you plugged in overnight). Point to ICE vehicles in this regard, but only because they waste so much energy to heat.

Need to Supercharge/Fast DC charge? Do so before you park for the night while the powertrain is still warm, not in the morning.
They aren't on any of the computers that I own.
Could be useful for templating config files. It sounds a lot like Jinja2. The question for me is what makes this better than Jinja2?
> Who archives the archives, etc.

Another archive:

https://www.bibalex.org/en/project/details?documentid=283

There are also partial distributed backups by volunteers:

http://iabak.archiveteam.org/
They might be doing more insulation with their battery, they might even be keeping it warm via some tech ford doesn’t have access to.
Location: Austin, TX

Remote: Yes (preferred)

Willing to relocate: Unlikely

Technologies: React, Typescript

Résumé/CV: https://drive.google.com/file/d/1nGijNxjaZZViQ3nFvo9e-hW87XK...

Email: cloverich@gmail.com
Indeed, that's my point.

If you do business in one of these controversial areas, then you will quickly find that you are being charged extremely high costs and/or kicked off of their network.
Hi Thomas! Congrats on the launch! You are meeting a real need, so I hope you make lots of money doing it.

I mainly just wanted to say "Hello", since it's a small industry, and if you have quality issues at some point we will probably end up talking anyways (one of my jobs is maintaining calibration traceability for a major dose calibrator manufacturer).

I sent you a LinkedIn contact; it appears we have a mutual friend.

Do you have any interesting innovations you are considering, other than consolidating production facilities? I presume you are planning on sticking with the normal "cows and pigs" methods of delivery to pharmacies, for compatibility.
I was planning on using the TRIGA design when I first started this company, but due to a number of regulatory and supply issues around TRIGA fuel, I have decided to instead use a variation of the PULSTAR design currently used by NC State University. The PULSTAR uses the same type of fuel that commercial power reactors use, but is scaled down to fit the mold of a university research reactor. And because the margin of safety is ludicrously high, you can actually pulse the... PULSTAR in the same fashion that the TRIGAs can be pulsed. I've mostly kept the TRIGA video up because those are much easier to come by, is of similar scale, and get the point across.

Regarding potential competition such as NorthStar or SHINE Med: Basically, the non-reactor technologies have very poor unit economics. The product is less pure (which is fun to say in the context that we're talking about "molly"), and the electricity costs alone for operating accelerators is on par with just purchasing nuclear fuel. And, for the same "fuel" costs, eight of the SHINE accelerators will produce about 4% of a single Atomic Alchemy reactor.

NorthStar's approach of converting Mo-98 to Mo-99 works, but is very inefficient from a nuclear physics standpoint, and requires the same chemical processing, if not more, due to its low purity. It's a band-aid and won't really be able to compete once more players enter the market.

I guess another way to put it is this: the common thread between everyone in the article (except BWXT) is that they are relying on government $$$, and government money is never free. The govt. $$$ is given out on the condition it be used for developing "alternative technologies." And it just so happens that most of these alternative ways are either inferior from a unit economics standpoint, or are a costly regulatory nightmare because licensing new nuclear technology is simply a nightmare.

Regarding demand elasticity: Demand is actually dropping every year as the supply decreases. The weekly demand for the largest market share of radioisotopes is about 3/4 of what it was earlier this decade. As the population around the world grows and ages, the demand will continue to grow. If the myriad other radioisotopes used in nuclear medicine were more abundant and had a more stable supply, the demand for them, from what I can tell, would skyrocket. So there is a ton of room to grow JUST TO MEET CURRENT DEMAND. If China and India were to use nuclear medicine on the same per capita basis that the United States does, the world market would double and then triple, respectively.
It is. I do it.
Explicit is better than implicit. Automatically importing it makes the code look like magic.
Thank you!

Regarding the simulation codes, I worked (as a hobbyist) with OpenMC; but you are probably using something else, as OpenMC is more a teaching aid than a production code.
MentourPilot is a great channel... I subbed before the Max debacle. https://mentourpilot.com

It makes sense that even with two pilots trying to manually spin the trim wheels from a full nose down configuration would be nearly impossible due to aerodynamic loading. IIRC relatively unloaded manual trim wheel movement is difficult even with both pilots extending the trim wheel folding handles and spinning them with maximum effort. I would like to know if commercial simulators accurately simulate manual trim wheel difficulty under high aerodynamic loading such as full nose down trim and high speed.

I think the electric trim cutout switches should be repurposed as "automation trim cutout switches" so that pilots can continue to use the yoke trim switches under high aerodynamic forces where manual trim reversion isn't possible and electric power is still available... and pilots could still revert to trim wheels during electric power loss conditions. You wouldn't disable the brake booster in a car because cruise control went haywire.
This does lead to the worrying question as to whether a runaway nose-down trim in an older 737 just after takeoff could result in the same outcome.

Sure could but there are parts of the MAX that make it worse. The uncommanded stab trim movement on the MAX came about because of faulty angle-of-attack data. The bad AoA data meant that the pilots were faced with a "indicated airspeed disagree" warning (and on at least one of the Lion Air flights an "elevator feel system non-op" warning). The supposition here by MentourPilot is that the IAS disagree checklist dictated that the pilots increase their speed to the point where trimming manually is difficult or impossible. On an NG or Classic I don't think there's anything that would cause both IAS disagree and uncommanded stabilizer trim.
We use both Google Cloud Platform and the Identity Aware Proxy, with Google as our sole identity provider. One login + hardware token gets you onto ssh, k8s and web endpoints, which is pretty great. There are a lot of rough edges that make it pretty janky to administer though.
You said energy, I assumed electrical energy. So yes most heat probably comes from burning fuel direct.

Would be interesting to know what proportion of electrical energy is used in heating. I would guess its non negligible.

Edit: Making make sense, and addition.
Which floating point operator is not commutative? Addition is.
Canopy (https://canopy.cr/) | Mobile & ML Engineers | Boston, MA | Full Time / Onsite

We're building a really great privacy-first discovery platform with some amazing people and are looking for help building our app and service. https://canopy.cr/blog/lets-fix-the-internet-together/ & https://www.cnet.com/news/sick-of-facebook-stalking-you-this... tell our story

Please mail me directly dans@canopy.cr or visit https://canopy.cr/#workwithus to apply.

Happy spring to you all, etc.
Yes, but climate change costs even more.

There's a few things to unpack here. But I won't talk about why nuclear costs so much. I'll just point out that if you look at countries like Germany and Japan which are turning off nuclear plants and targeting renewables are also turning up their coal usage. The big issue here is that battery technology just isn't there yet.

No pro nuclear person is anti renewable (maybe they exist, but I have yet to find one). They just don't want to see nuclear replaced with coal. They care about the environment. Many believe it is too late for any other option and we need to just aggressively go to net 0 (or less) with current technology. The truth is that we just can't meet these goals with current renewables and batteries. We're all for funding battery and renewable tech. But we also believe that action has to happen NOW.
Loop invariant checking should assert that if the invariant is true before the loop starts, it will also be true at the end of the loop. That’s not a general capability of assert constructs.
When I first learned to compose/improvise I thought it felt exactly like programming.

There's a John Locke quote at the beginning of SICP that describes both very well IMO.
None of the things mentioned in the grandparent post are externalities. An externality is a consequence of some action or some transaction for people who were not a part of it. A tax or subsidy directly affects the purchaser, and is thus not an externality.
Fuschia isn't existing because Linus occasionally flames people though. It's because Google has tons of employees who want to write operating systems, and maybe because of the desire for driver ABI stability.
No, it will be a Java API. Unfortunately, making a tool Clojure only limits your potential userbase too much.
Glad I didn't pick up Boeing shares on the cheap just yet.

Look at a six month graph, Boeing is trending up and the stock price is back to where it was at the end of January 2019. Yeah, gross.
Yeah, calling it "The Rust organization" was probably a mistake, as it can be confused for something more official than the nebulous non-official entity that I'm referring to
Ah, probably this then which covers months of janitor logs from end of 2013 until 2015 https://www.mediafire.com/download/iygnsl39bvtglza/%23janite... About 220MB in size. That was posted on 8chan /irc/ which is solely 4chan janitor log dumping hxxps://8ch.net/irc/index.html (due to 8ch pariah status, do not go there from any work IP).
I wouldn't say that having had a private education is a turn-off. It isn't really a marker for anything, in my book.

But wanting to date only people with private ed backgrounds?

Definitely a huge turn-off.
My concerns are less about the vehicle technology but what gets implicitly bundled with it. Privacy, for example, being an issue, with newer cars being cellular equipped and having telemetry enabled and no way to opt out. Tesla is allowed all my GPS data, which I don't feel comfortable with. With an older car you're free to rebuild it within your means - can you legally do the same with an electric vehicle? With the hardware and software being so locked down, it may not even be legal to tamper with it, which on one hand is a valid concern for stuff like self-driving technology, but at the same time makes these newer cars proprietary black boxes that you can only ever send back to the factory.
Old smooth-bore dueling pistols aren't terribly accurate, and a kill shot was unlikely. However, wounds and infection were more likely to kill you than they would be today. More accurate pistols may be one of the reasons the duel died out.
I think they're talking about intermediates, which wouldn't have to be rebuilt every time.
Of course, we are all simply "standing on the shoulders of giants" -- and also on the shoulders of everyone else, giant or no, that we rely on in this interconnected world. This kind of reasoning implies pretty strongly that intellectual property should not be privately owned, excluding others from its use who could just as likely have discovered it.
The entire compilation process is generally a process of first converting code into a very high-level representation, and then lowering it through stages that progressively lose the original language semantics and gain hardware-specific semantics, with optimizations happening along each level of the path.

Traditional LLVM contains essentially three different levels of IR: there's the mid-level IR that most people think of, which is (to a very, very rough approximation) a machine-independent (but generally not portable) representation of C/C++ (with extensions) semantics. This is lowered to a legalization IR (either SelectionDAG or GlobalISel), which contains the same general class of generic operations, but things such as integers larger than native machine types (e.g., i128) are converted into native machine types [1]. The legalized IR is then lowered to a machine-specific IR, where the opcodes and operands are specific to the relevant ISA, and the target-independent passes are generally restricted to dealing with very high-level summaries of operations (e.g., "this instruction is commutative").

This project is about an IR that is higher level than LLVM IR that can, to some degree, abstract over the different kinds of such IRs that already exists. (As the presentation notes, Clang should have built such an IR, especially now that it needs to do a lot of that work for static analysis or constexpr anyways).

[1] More specifically, this is the IR that the legalization process is actually done in. How much of it has been legalized depends on where you are in the process.
Where are you looking for these discussions and calculations of capacity and reserve power?
>Caught? They offered the feature directly to users.

Who didn't know any better, nor why it is bad in general and how it can harm them specifically.

So yes, FB was caught; exposed, if you wish. Especially given that they didn't roll out this feature to everyone, including you and me, which would result in immediate disaster.
Do _most_ companies follow DO-178C requirements? Do _most_ software engineers even know what that is?
Redux-Genie Enters Beta
Ask HN: Interest for a Remote Cohort Program to Grow as a Manager
Some of you already know me for my free mentoring sessions for managers ( https://freemanagermentors.com ). My day job is co-founder of Eager Labs, which provides talent development services to growing startups.

I'm looking to understand if there would be interest within the HN community for a fully remote cohort program focused on learning, discussing, and reflecting on leadership and management practices.

If you're a manager, would you find this useful? Is there another program you've already done that we should be aware of? Are you inherently skeptical of these types of programs? I want to know your thoughts, so please share or AMA.

-- Details of the Proposed Program Below --

Sample Topics We'd Be Covering:

1. Discovering your leadership style.

2. Building trust, delivering feedback and running effective 1:1s.

3. Delegation.

4. Serving as a coach for your people.

5. Cross-functional management. How to communicate out and manage up.

6. Communicating and navigating conflict, change, and turmoil.

7. Creating a shared vision with your team.

Sessions would be professionally facilitated every three weeks, combining both lecture, guest speaker, and breakout conversations. The content would be customized for a "remote" audience, based on an already existing and successful in-person program.

We're expecting to charge between $2,000 and $2,500, and there will be an application process to be accepted into the program. We're charging money to pay our facilitator to work on this full-time, as well as keep the participation rates high during the program. We don't want a lot of casually interested people coming and going, as that will hurt the quality of events, which need to be interactive and collaborative.

If you'd like to be alerted when we formally launch the application process for the program, you can register here (just capturing email addresses, nothing else):

https://westonjossey.typeform.com/to/diJcb8
There's plenty of douchebags that think 'because it's the internet' that gives free range to be a shitty person.
They want to hire clojure folks
Would you have specific architecture ressources/techniques to avoid heat traps?

My experience in Spain is that comes winter time, flats are so poorly insulated that it is like you are heating a house windows opened.
The KKK certainly is a terrorist group. Alex Jones is being sued and whatever platforms don't stop him from spreading malicious lies could be liable as well.
Are you still doing Crossfit? Since I've began working remote I've really done nothing after work and I think it's starting to effect me. A Crossfit place opened near me, and I've considered joining but wasn't sure if I would like it.
Kofola, the Cold War Drink of Czechoslovakia
There's new research that suggests that there are soil-based sequestration methods that work far faster than the well-studied approach of growing forests:

https://www.nature.com/articles/s41467-019-08636-w
I mean, I'm essentially a beginner (with lots of system experience), and I'm noticing a lack of intermediates in these comments.
And who, therefore, must be fired immediately.
haven't logged in in a while, but more people should donate to archive.org - and I'm not speaking AT HN at all because statistically I'm sure HN contributes more than anyone but archive.org are truly the historians of the web and we need to support them.
Adding smaller magnitude first gives a different result than adding larger magnitudes first due to mixing precisions.
I was thinking more a Nissan Leaf as a Model 3 is a bit above my price range right now sadly. I recently had an 80 mile/day commute through a large valley/hill which would have been impossible in a used Leaf unless I could charge at work.
Just because you can design a database that way doesn't mean you want to, or that you even have control over the db design. Anyway, data is still present or absent. Even if you have an address table where all the columns are not null you might not have an entry in that table for a user so what would you like user.address to return?
It’s closer to 19x when you consider engine efficiency. Heat is not that useful on it’s own.

Considering jets already do 9,500 mile flights a 500 mile range seems viable. But, if you start talking significant amounts of electric aircraft, very short landings for battery swapping are also possible. That's not going to get you to Hawaii, but it's still faster than taking a high speed train.

PS: You can also push these numbers as electricity is much cheaper than jet fuel. Electric engines also weigh less than batters which allows for a higher mass fraction for fuel. Shorter flights also have lower penalties for going slower. So, an optimized electric aircraft could probably make 800 miles with similar costs to current jets without any major breakthroughs.
The language description declares it is safe, but since you can dereference raw pointers, the language is not memory safe. Maybe it should be made clear that you are not claiming memory safety.
https://en.wikipedia.org/wiki/Campaign_finance_reform_in_the...

Some of it has been overturned recently but limits have existed for periods of time.
Isn't the real advantage of using things like build systems the ability to customize the output build? You don't really see all this stuff going on behind the scenes but stuff like autotools and auto-generating Makefiles is much of the reason why lot of libraries can run almost anywhere.
(small number)+(small number)+ ... +(small number)+(much bigger number)

may not give the same result as

(much bigger number)+(small number)+(small number)+ ... +(small number)
> Aren't all these scenarios tested in simulators and in the actual aircraft?

In this case the answer is, no:

"During nine to 12 months of MAX flight testing, test pilots injected errors into the flight system that tested stall conditions and runaway stabilizer, among other scenarios, the people said. But no one was aware of a specific test of an MCAS failure mode triggered by erroneous sensor data."

March 29, https://www.reuters.com/article/us-ethiopia-airplane-boeing-...
98% [1]

For all practical purposes the electricity here is 100% clean except for emissions occurring during construction. Huge concrete dams add quite a bit of CO2 to the atmosphere when curing.

[1] https://en.wikipedia.org/wiki/Electricity_sector_in_Norway
Thanks. Fair enough, but he did say "they came". And if you think about it he does not specify "the way". I remember that he heard voices. Because he said that to get cured he just stop listening to the voice or voices.
From my perspective upthread, when I wrote day to day I didn't actually mean that literally. I guess I've never really had an addiction. I've never been one to turn on the TV as background. I did used to watch more than I do now but it was still maybe 1 hr. a day on average.
I think it fascinating that people often wish for more content moderation...

It's very easy for overmoderation to prevent useful/enjoyable discussion.

It's equally easy for a lack of moderation to prevent useful/enjoyable discussion.

Restaurants are optional places to visit, too, but I'd find it hard to enjoy my meal if people were shouting threats at me or showing me images of child porn.
Fine-grained sandboxing with V8 isolates
Show HN: Scanner,  a system for distributed video processing from Stanford
Sounds like you're talking about BeyondCorp?

https://static.googleusercontent.com/media/research.google.c...
Even a cursory investigation or education of passivhaus concepts would show this to be nonsense.

Passivhaus is not focused on one metric. To achieve passivhaus there are many metrics measured. Energy use, overheating, air quality, thermal bridging... The list goes on. I'm not sure what one metric you're referring to.

Passivhaus does not mandate plastic based insulation. Many are built with cellulose, wood fibre,straw bales...

They are not in any way more prone to water intrusion any more than any other building.

They are far less likely to suffer sick building syndrome because ventilation standards are far higher than for 'normal' houses.

You can open the windows if you want. Sure, if you do it in -10 temperatures you lose some heat.

Passivhaus 'nutters' are generally apathetic about PV. You don't need PV ; simplicity is part of the point. The marginal cost on insulation is generally pretty low. The difficult but it's getting builders diligent enough for the challenge.

Hope that helps to encourage you to continue researching the subject.
The idea is that the Oscars have a monopoly on film awards, but Apple and Google don’t have a monopoly on app stores. Now that’s very debatable, but the EU is investigating both them, so we’ll see what happens.