skysight-inc/HackerNews huggingface dataset:
Let's share some background about PSLab:

Pocket Science Lab (PSLab) is a small USB powered hardware board that can be used for measurements and experiments. It works as an extension for Android phones or PCs. PSLab comes with a built-in Oscilloscope, Multimeter, Wave Generator, Logic Analyzer, Power Source, and many more instruments. It can also be used as a robotics control app. And, we are constantly adding more digital instruments. PSLab is many devices in one. Simply connect two wires to the relevant pins (description is on the back of the PSLab board) and start measuring. You can use our Open Source Android or desktop app to view and collect the data. You can also plug in hundreds of compatible I²C standard sensors to the PSLab pin slots. It works without the need for programming. So, what experiments you do is just limited to your imagination!

Where can I buy a Pocket Science Lab?
There is an overview page for shops where you can buy a Pocket Science Lab device in different regions on the website at https://pslab.io/shop/.

More:
* Where can I download the Android App for Pocket Science Lab?
* Where can I download the desktop app for Pocket Science Lab for Windows, Linux and Mac?
* Do you have an iOS app for Apple devices?
* How can I connect to the device? What kind of USB cable do I need? What is an OTG USB cable?
* I found a bug in one of your apps or hardware. What to do? Where should I report it?
* Can I record or save data in the apps and export or import it?
* My Android phone already has some sensors, can I use them with the PSLab app as well?
* Which external sensors can I use with a PSLab device and the apps? Which ones are compatible?
* How can I use the Pocket Science Lab as an independent data logger without the phone or desktop connected?
* It is cool, that PSLab is Open Hardware! Where can I find the schematics and parts list of Pocket Science Lab?
* Who develops PSLab? When did you start it? What is the story behind it?
DNS Records Part 4: Examining the MX Record
I assume you're referring to building out a store with no inventory to test the market? This is a pretty common tactic spread by books such as "The 4-Hour Work Week" so it's not surprising to see it in use for a site like this.

Honestly, I don't really have a problem with it. A more honest approach would be ideal, but if I had to choose between doing that and bootstrapping an entire business with stock before getting my first sale I would choose the "dishonest" method. It's a little inconvenient for the user, but presumably they want the product, so in the end they just end up waiting a bit for it.

People don't want to help you test your idea, so presenting it in any other way without rewarding them is unlikely to result in sales.
This post and other top-level post in this thread have issues with account recovery.

Google tends to follow a playbook when it comes to account recovery, and if you can't check one of the boxes to get through, they won't let you back in. This is to stop account takeovers via support (which are known attack vectors people use against other companies, like cell phone providers).

While it's frustrating to lose access to you account, it is the tradeoff Google has made to try to keep your account safe.

And as far as Google employees being able to help, that channel has mainly been closed. Even if you know a Googler and have lost access to your account, the Googler will likely just tell you to follow the account recovery help page[0].

(I'm a googler, opinions are my own)

[0] https://support.google.com/accounts/answer/7682439?hl=en
The problem with acting on that statement is the assumption that Google will use their knowledge of security to protect everything their customers / service consumers want protected, such as privacy.

Google has a very fundamental conflict of interest w.r.t. privacy that stems both from revenue (advertising) and product development (e.g., labelling personal data acquired from consumers). Google will almost certainly act against their data product producers (individuals) best interests based on its very deep requirements to obtain private benefits from not protecting them.
Is this the one the authorities said could only take place in a park and not on the road?

If so, it doesn't seem unreasonable.
Chaos Testing a Distributed System with Jepsen: Part One
What if they disagree with your premises? I'd rather be your enemy than ally if all I can do is nod my head like an idiot puppet at all of the terribly misinformed social justice rhetoric you're throwing at me.
> Notably forecasted the global Crypto crash of 2k18... an opinion against the grain in his field.

Was his field /r/bitcoin? I'm pretty sure the entire world saw that one coming.
In the olden days, you could sum up the entire information security knowledge and posture of many companies with "we're behind a firewall, so everything is fine".

Some companies have not evolved much beyond this attitude, and it shows with ridiculous wording like this.
An HIV Genome from Two Decades Before Its Discovery
Oh wow I've never heard it put like this before! Censorship is great now!
If they have become the de facto public square, an integral location to participate in public society, then they should be subject to society's whims.

There's no reason that those whims must be executed through market instead of through government.
AWS has Nitro, Microsoft has Azure Sphere, HPE has iLO, etc.
I don’t think there is any significant money in VR today in terms of revenue.

As for crypto and AI: I don’t think anyone saw that coming, but it was a safe bet that, one day, a technology would emerge that could use this kind of calculation power. And that promoting and investing in GPU computing in general was thus a smart thing to do. IOW: making your own luck.
(Agreeing with you), i don't see how they could have decided that clearing out one of the less used N11 codes was too hard, but clearing out a prefix across all area codes would be tenable.
Honestly, it sounds like even acknowledgement was not the problem. Their coworkers did speak up -- to criticize the protesters and claim they weren't accomplishing anything.

If I were in this person's position, silence would make me feel a little weird. My coworkers actively deriding the protest that I'm about to go join would make me feel a lot more weird.

I don't think people are lying when they say that tech employees have their own biases and blind spots, and it doesn't necessarily surprise me to learn that race is one of them.
Who decides whether or not evidence is based and sound?

During the slave era, white slave owners believed they were doing good for the black man. That this was their optimal role in society.

If you are not the oppressed, you cannot objectively be part of the discussion about whether or not and how the oppressed are being oppressed. It's quite simple. The only thing you can do is help. If you argue against their oppression, you are perpetuating the structural inequality.
ahh !g, thanks for that reminder. I find that DDG isn't indexing Github Issues as well as I'd like, and for that I still found myself going back to G.
I find it odd that there is no mention of the counter-tenor voice in classical music. I suppose that a lot of the parts now taken by counter-tenors were originally written for castratos, but there have been quite a few pieces written since those days.
> The person was shot after attacking the cops.

The person? There's five different articles with five different people.

> You make it sound like they just shot these people for fun.

Did you actually bother reading my post? I brought up the possibility that the shootings were self-defense--nowhere did I blame the cops.
Is GroupMe having a resurgence? I remember using it in 2011-2012 but it seems to have disappeared with the rise of FB messenger.
To be fair, it seems like there's been a lot of innovation and miniaturization in the LIDAR space in the past year or two. Even if Tesla wanted to preemptively install LIDAR for future proofing, I'm guessing that addition to the car would be an eye sore.
Ask HN: Lean Validation of AI Startups
Hi, I'm Software Engineer building AI projects for almost four years. I've been wanting to start selling AI products to businesses but I don't know how to validate an idea quickly, without spending time/money developing a demo.

For example, I think that a software for the construction industry that uses cameras to detect if the workers are using the proper security equipment would be a good and useful product. I can ask and then find someone from a potential company that could be interested in this kind of product.

The problem is what to show to this potential client in order to get a deal. I could develop a demo, but I think it's too expensive to build a good model. If I want to test another usecase (for example, house floor identification for real estate) I'd then have to build a model for that.

Do you have experience on this industry doing something similar to what I describe? What are you doing to validate quickly if an idea is good or not?

Maybe a good way would be to start working as a consultant/freelancer, validating demand for a product this way. But that is a slower path and you need time to work as a consultant/freelancer.
Everytime I post about "green bubble" discrimination on hackernews, people act so surprised just like this father on twitter, and then talk about how vapid and fake people must be to care about that

You know what people - iphone users - actually say when there isn't mixed company?

"Android users, especially self-identified ones, lack social cues in many areas"

It goes way beyond an android user letting people know about how much control they have over their phone, which is already missing the cue of nobody caring. It goes beyond green bubbles, which is just the effect and litmus test which has now expanded to a worse user experience in rich interactive group chats.
Others' point of view is not always propaganda...
A notarized affidavit from Thor?
Did your problem get resolved now?
I know it may look like I'm taking China's side, but I'm not. In fact it's the automatic dismissal of all possible attempts to understand the Chinese perspective that I'm fighting against. How does simply asserting one side to be the antagonist and leaving it at that, help the situation?

If things are black and white then we miss the fact that HK's legitimacy is of a different kind to Taiwan's. Which in turn reinforces global opinion that HK's fight is equivalent to say Ukraine's. Why exactly aren't the UK rushing to HK's aid? It's precisely because of the nuances of the history that too few people are aware of or interested in. At the very least if such knowledge doesn't help HK now, then it will help all those in the future involved in similar acts of aggressions that the West, let alone China, still haven't grown out of.
Adafruit published this BeOS guide just last week: https://learn.adafruit.com/build-a-bebox-with-beos-and-virtu...
Yes about "walk a mile in their shoes" but I thought that the VR technology allows to see/experience something "different", i.e. project yourself, as you are, in an environment to which you wouldn't otherwise have access, but it doesn't change "you" (which should be actually the objective).

Let's take as a counter example a hypothetical (very realistic and VR as much as you want) shoot-em-all game, you may well play it at length and become (inside the game) the toughest soldier/killer in the world, but it is not like (mostly) you then go out and start shooting everyone.

But even if there wasn't this (hopefully) separation between "real" reality and the "virtual" one, I have difficulties in visualizing a "story board" of a virtual experience that could actually increase empathy towards a minority if you don't already have it, and that can do it more effectively than traditional education/culture (lessons, meetings, books, movies, etc.)
If POTUS communicates via Twitter primarily, there’s no option to ‘not use it’. Twitter crossed the line between just a company and a utility a while ago, together with Google and Facebook.
Dotster was similar for DNS hosting, several years ago.

Called them to get access to our account after a problem, and they gave me admin with no verification at all. Just provided the account name, was asked for new password. Like... WTF?

Tried telling their security people, who then denied it happened, let alone it being a problem.

Our DNS hosting was moved away from Dotster shortly afterwards.
Got 34 Subs for ProductHunt Upcoming
Actually by knocking out the bacteria, they can see a slight uptake (5%) in feed efficiency of the cows. So part of it is put into fat and muscle.
Lead vests are worn to reduce radiation doses from radiological exams performed during surgery (to guide the procedure / monitor something etc.).
Does it make sense a Producthunt for innovative financial services “fintech”?
We believe the future of finance is digital, ethical and sustainable. We believe every small business deserves a fair chance to grow and get access to proper financial products and services. We believe that in the future people will rely more on fintech companies than on traditional banks. We believe in fintech, for these reasons we're building Fintastico, a one-stop platform where users and companies can find any fintech services worldwide (right now mainly European and North American solutions).

What do you think? Does it make sense? How can we improve it?

Looking forward to your feedback! let's build it together and change banks forever https://www.fintastico.com/home/
Presidents award for for senior contributer of the SMC project
Those who forget BBM are bound to repeat it
Not to mention Lennart has abandoned both PA and Avahi.
Phase signature of topological transition in Josephson Junctions
The study misses out to report on the increased production of N2O. Which really does not help.
A little background on this and a thought:

Friction Facts started out as a guy (with an engineering degree) that developed his own test equipment to measure drivetrain losses under load. He eventually published his own wax formulation so that a DIYer could replicate his best effort at reducing chain friction. It produced a chain that had about 4 watts of loss, which is pretty good. That's over 98% efficient for a person putting out 250 watts. 250 watts is high for someone that's never ridden a bike, doable for someone that commutes by bike every day, and a pro wouldn't even break a sweat. So going to 99% improvement, or "reducing friction by 49%" sounds like a lot, but you're only gaining back 2 watts out of 250. Also, Friction Facts felt really cool when is was just a backyard engineer publishing his results, but then he got bought and took all his results/website offline. Luckily the internet archive and many forum posts have the major results, but it felt kind of like he was selling out to the man. I understand that he has bills to pay so I'm not mad at him. I also understand that a regularly lubed bike chain has higher than 4 watts of loss and most people aren't willing to melt wax on their stove to wax their own chains (I do though).

The CeramicSpeed concept couldn't shift in 2018 and they haven't demoed a shifting version as of August 2019. The pie plate at the back is only for looks, and claiming 13-speeds is totally worthless at this point. Heck, I could CNC a 30-speed cog for the back, since it would fit inside the diameter of the wheel. I predict that when a shifting system is functional, it will increase the complexity and add to the friction of the drivetrain, bringing to about the same level of friction as top end chain based systems from Shimano, SRAM, and Campagnolo.

This is a promising idea, but ultimately it's worth more as a way to avoid patent infringement than it is to make a faster bike. Another smaller player, Rotor, makes a 13-speed system that shifts hydraulically. Rotor's marketing claims that hydraulics shift better, but everyone knows that it's just a way to keep from stepping on the established players' toes.
They'e also likely filtering out anyone who currently has a job, or a family, or even is interviewing at other companies. The process described here and in the posting at https://www.level12.io/careers/full-stack-web-app-developer-... is on the order of 30 to 40 hours. That's a massive time commitment.
Start small then, just 10, minutes or even 5. Anything is infinitely better than nothing.
Announcing `async-std` beta, an async port of the Rust standard library
This article doesn't describe Emotional Intelligence. It describes what we perceive as maturity. They are not the same thing.
> than obfuscated hateful messages

I'm not talking about obfuscated messages. If one were to post "I love you no matter where you fucking come from", they're not being hateful, but they are being vulgar. Is that allows?

On the other hand, if one were to post "I truly believe that all people who are not white are inferior beings that should leave my country", then there's zero vulgarity here but clearly a hateful horrible person I'd like to avoid at all costs.

If the problem is vulgarity, then the solution is well-understood: censor the bad words, let the rest of the message stay. If the problem is hate, then the problem is that it's impossible to ever really get rid of it.

I suspect in the author's case, the problem is that they used vulgarity 9 years ago and the system finally picked up on it.
There's still no difference between "publisher" and "platform". I see Twitter as a giant expansion of the Op-Ed section of the newspaper, not a telephone party line.

To whom is Twitter responsible? If shareholders/investors then it should do whatever seems most likely to make it the most money. If "users" then it should do whatever seems most likely to make the most users happy.

There are valid moral arguments on both side of the censorship debate, and ultimately it comes down to subjective judgement and a gut call by twitter management. There's a lot of people claiming moral imperatives and "what is right" as if "right" was an absolute and not like, their opinion, man.
It really is shocking how much has changed in the past 10 years. This post could have been mainstream late-night comedy, but it's not just that the targets have shifted: it's still OK, good even, to attack Sarah Palin, you just can't do it using certain words. The bigger change seems to be this obsession with words having some kind of incantatory, emanating power (even 9 year old words on a Twitter account), along with the associated fiending about the private thoughts of whoever posted.
https://www.youtube.com/watch?v=hC-JCvFyjlo

The 787 Dreamliner is a nightmare. Bad code produced by offshore teams. International teams totally violating safety procedures.
Affordable iOS and Android Mobile App Developer (React Native)
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>It is not a company operating in a vacuum but a public company in a democracy

The US is not a democracy. It is a Constitutional Republic. The Constitution limits the Governmental Powers to make laws restricting speech, the Constitution does not give individuals the right to use corporate places of business or platforms to disseminate their speech.
If you count the number of people indirectly reading twitter through other media the number is much higher than 20%. And it's not just media directly quoting and crediting twitter; I imagine journalists get a very high percentage of their leads and sources through twitter.
Ha! Yes! I used to call xeyes a network testing tool.
Not sure why this is coming up again a year later.

They put it out as a marketing thing. It had a bunch of impractical caveats.

They haven't announced they solved any of the problems with it in the year since they put it out.

The friction thing & drivetrain is mostly a non-issue. If you're riding fast enough to care the % drag from the chain/drivetrain gets smaller and smaller the faster you go. It's pretty much a non-factor compared to air resistance.

You get way more benefit from doing some extra stretching and yoga so you can lower your handlebars and still ride hard than you do changing to ceramic bearings or fiddling with expensive lubricants or chains/belts/shaft drives.
> horde of Linux users

less than 2% of all desktops are linux. There is no horde of Linux users, much to my personal dismay. This is a myth.
"In the face of defeat and imminent withdrawal of the Invincible, Rohan, the spaceship's first navigator, undertakes a trip into the "enemy area" in search of four crew members who went missing in action – an attempt which he and the Invincible's commander Horpach see as certainly futile, but necessary for moral reasons. Rohan wanders into canyons covered by metallic "shrubs" and "insects" and finds some of the missing crewmen dead. He gathers some evidence and returns to the ship unharmed thanks partially to a device which somewhat cloaks the electrical activity of his brain, and partially to his calm and unthreatening behavior."

This is almost exactly like a Star Trek episode where they search for crew members abducted by the borg. I see shades of the Matrix in there too.

No doubt a great influence!
They arn’t being cancelled by the government. And they arn’t speaking out for fear of being disappeared by the government.

I don’t like the US government, but there is no equivalency with China.
You use CrystalDiskMark to benchmark it. Visual inspection as well. Most real cards are made in China, knockoffs are made in Malaysia but its not always the case. Counterfeit will be 1/3rd of the speed of regular one and most likely much shorter shelf life since its pretty much old generation chips used.

I build custom video setups as hobby so I say overall probably I got over 150 cards from Amazon (at least half were fake) and some 100 from Newegg so far (last 3 years) and haven't had a single fake from Newegg. [mostly I use Sandisk and Lennar cards]
It’s novel because Twitter doesn’t normally take any action on hate-speech directed at right-wingers, or whites. No wonder this guy is so surprised!
I would recommend Miltanksay
Nearly ferromagnetic spin-triplet superconductivity
Has a belt ever snapped? Serious question. I've never heard of it happening, and the belt drive bike I've been riding for 4 years isn't even wearing, let alone close to snapping.
Reducing the symptoms probably help, and there are many conditions which have a reinforcing feedback loop
> His argument distills to: solve it all-at-once, or don’t solve it at all.

I read the article and didn't get that impression at all.

I got: electric cars are an improvement, but don't fundamentally solve the problem.
Too bad in the USA's FCC 70 page report there are 0 mentions of the number 116 123.

(https://docs.fcc.gov/public/attachments/DOC-359095A1.pdf)

116 123 is the new standard for emotional support helplines in the 28 EU countries and has already been implemented by France, Germany, Ireland and United Kingdom.

You would've thought 116 123 at least deserves consideration by the USA, even if they didn't adopt it?

Also, while they are at it, it's a shame the USA don't fully implement 112 alongside 911 as their emergency number, because Americans are starting to look like the odd ones out - see this world map https://en.wikipedia.org/wiki/112_(emergency_telephone_numbe...

I heard, these days, people go on holidays & vacations abroad, and emergencies & illness don't care about national boundaries.

On a positive note, it's nice to hear about Americans caring for sick people.