skysight-inc/HackerNews huggingface dataset:
Solid Concepts has produced the first ever 3D-printed metal pistol
The Texas based company Solid Concepts is the first ever manufacturer of a metal 3D-printed firearm. The company is not actually in the firearms business, but one of the worlds leaders in 3D printing.Their new gun modeled from the classic 1911 45ACP design was successfully proven and testedThe barrel handled the 20,000 psi per shot pressure and fired 50 rounds with good accuracy from 30 yards out. With this design Solid Concepts has made a huge leap forward in the potential of 3-D printing.
This is a really cool resource. Thank you Carlos and Facebook.
> This is like copy-pasting commands from the Gentoo wiki so you "learn Linux".

I think you're being a little bit harsh there. When I was 14-15 this is exactly what I did when stepping into the world of Linux.

Initially I installed Mandrake and couldn't understand how to do anything or how things were different from Windows. So I gave Gentoo a try and the installation process was pretty heavy going.

Yes I didn't really "learn" everything about Linux from just following the instructions, but it did get me used to the command line and how to get around the system. That initial education helped me become more confident about learning how to use Linux and how to fix issues when they arose.

I'm 26 now and use OSX as my primary choice, but I love tinkering away in the command line, like an old friend.
Glass Development Kit Sneak Peak (video)
I don't feel too bad for these founders, regarding the outcome. It looks like the majority of value was created after they were at the company (by people other than them).
How am I shutting down debates? I think it's important to respond to anyone who has a unique perspective.
Culture. It is all about culture.

You'll have all seen the pattern. The sort of people who use language X tend to be the same people who use VCS Y tend to be the same people who think doing Z is a good idea tend to be the same people who don't see any problem with IDE W and protocol V.

Culture (by definition) is something that propagates amongst a community, and sometimes it's just poisonous. Or at least seems poisonous from an outsider's point of view. Except if it's java, in which case there's no two ways about it.
Which part of the great depression occurred during the gold standard are you finding difficult to understand? No one said anything about another gold standard recession being greater than the great depression. The great depression was one of many depressions that occurred under the gold standard. How many depressions have there been since we went fiat: answer, none.

> How many financial institutions failed in 2007 - 2008? How much panic selling happened? I don't call that virtually eliminated.

Then you're not looking at the big picture. I didn't say eliminated, I said virtually eliminated, which means you look at total bank runs and panics while on the gold standard vs those while on fiat. Please stop this logic by anecdote argument style, it's fallacious and intellectually dishonest. Look at the history of recessions http://en.wikipedia.org/wiki/List_of_recessions_in_the_Unite...
> read from various sources.

Exactly. So, which other sources have you read from which confirm what Lustig said?

> phrenology was once accepted by "experts", as were electro-shocks for gay people. And don't get me started on economic "experts".

Oh, yes, the "Experts were wrong before" dodge, which is so beloved of quacks and alt-med nutballs in general. It so conveniently ignores the fact that lone people are wrong a lot more often.

> I'd only accept a consensus of lots of independent experts

So, where are all of the independent experts who agree with Lustig?
China’s Tianhe-2 Supercomputer Maintains Top Spot on 42nd TOP500 List
This is actually a really good point that I don't feel has been adequately answered -- usually people say something like "well, bitcoin has momentum" or somesuch, which strikes me as being nonsense if you accept the idea of why bitcoins have value as being an intrinsic property related to their fungibility, scarcity, and non-consumability; in theory the same things that give all currencies their value.

The only explanation I've come up with that sounds plausible is that a new currency, even just Bitcoin with a different genesis block, should be as valuable as Bitcoins, but fails the test of scarcity -- it's too easy to counterfeit them by double-spend attacks because of the smaller power of the network.

I don't trust this idea, though -- it smacks of post-hoc reasoning. I guess by extension the value of a proof-of-work-backed currency in aggregate should be bounded by the expected cost of a 51% attack given rational actors; doing this math for the Bitcoin network would either give strong evidence that the current pricing is irrational or weak evidence that it is rational.
HTML5 UP Responsive HTML5 & CSS3 Templates
We have melanin in our skin to block radiation from the sun. Now there's a difference. The sun is emitting thermal radiation of about a million degrees celcius. The energy profile of it's radiation is very well studied. It's basically random radiation with every individual photon being in a defined (and quite low) energy interval.

Radiation in space is totally random over the entire spectrum. There aren't many events at all (compared to the sun's radiation you could be forgiven for claiming there isn't any radiation in space at all, so few photons), but the events that do happen have a totally random energy distribution. Meaning most of the rays have enough energy to knock 2 or 3 molecules from the front of your finger into your brain. Or (a very tiny) part of the casing of the ship into deep into your body. If you measure space radiation with your sensor pointed down towards this massive rock we're living on, using the entire mass of the planet to block the radiation, the meter does not go down to zero (even when you eliminate the radiation produced by the planet itself).

Metals have a bit of an advantage blocking radiation because they have collective electron orbitals. If radiation impacts an electron inside a metal structure, it's going to throw it centimeters, meters away, maybe even kilometers. But here's the difference : that energy can be dissipated all around the structure. In other words, just because an electron gets an energy boost and gets thrown all around the room does not mean it has left it's orbital at all, and so it should remain inside the metal plate. If it does, the radiation is blocked. It's a sort of "structural integrity" field : the energy delivered does not have to beat the magnetic field of a single atom, but the magnetic field of the entire lattice. Unfortunately, on a per-atom basis, metal magnetic fields are on the very low side (mostly).

Ideally you'd use compressed plasma clouds to block radiation. But the energy required for maintaining that is rather enormous. But it would block pretty much all radiation (this is the reason the early universe, despite producing more photons in essentially empty space than the fusion reaction in the sun does today, was "completely dark". Those photons couldn't travel, so they'd never hit any sensor)

This is the problem with space radiation. Once radiation energy levels go above certain "reasonable" energy levels blocking it becomes a pipe dream.
The Best Internship in the World
I mean he quit his job knowing he had eight kids and spent all his money while racking up a huge debt without a good plan to pay it off.

That's not exactly the same as someone who lost his job, got sick, and then became homeless because of crushing medical bills.
Here you go - http://www.eecs.berkeley.edu/~isabelle/papers/cci.pdf
A very interesting e-venturing platform with global reach.
To explain: The fear that often is associated with deflationary currency (like bitcoin) is that no one will spend it, because waiting always gets you a slightly better deal.
And if that happens the economy will grind to a halt with everyone waiting to spend. The point of my second statement is that we have examples of cases where even though every month your money buys more, people still do buy things.
I contend that creating debt money and giving it to tier 1 banks has a much larger wealth transfer effect than deflationary currency. My evidence is the wealth equality gap increasing from 1972 - current.

Inflation does not impact all people in the economy evenly. When new debt money is created it has its full purchasing power. As it works it way through the economy, it loses purchasing power and raises price levels. When the fed creates new money in its accounts, it transfers wealth from all currency holders to the receiver of the new funds.

The other mechanism that fiat credit currency increases inequality is fractional reserve lending. With fiat and a central bank (lender of last resort), fractional reserve banks lend a lot more than without fiat money (lower reserve ratio). Increased debt loads (especially debt for consumption) transfer wealth from debtor to creditor. Also, increased debt levels overall benefit creditors in general.
See total consumer debt, it started accelerating after 1972. http://www.mybudget360.com/wp-content/uploads/2009/02/debt.p...
OK, I tried to do a bit of digging but all I can find are vague allegations and handwaving everywhere. Where does the 25x number come from?
What do you mean 'typical?'
> Wasn't that the exact same argument given to the expertise of priests and medieval scholars?

This is the "Experts were wrong before" dodge, which conveniently ignores how often individuals are wrong.

http://rationalwiki.org/wiki/Science_was_wrong_before
How Children Succeed
I second that. I understand SSD space is expensive, but sometimes you have 0.05 load average and full disk. At least it would be nice to get some kind of Amazon EBS analogue.
Show HN: Cove. Your memory box.
How exactly is putting stickers on a plastic case teaching anyone anything about programming?
Why gamification is becoming a multi-billion dollar way to motivate people
Tianhe-2 Remains the Biggest of Computing’s Big Iron
I don't have BF4... my gaming on the PS4 has been blissfully crash free thus far. I agree about the controller, the older Playstation DualShock controllers were too small for my hands and would cause cramping after a while.. haven't had that happen with the DualShock 4. I do kinda wish the analog sticks were non-symmetrical the way they are on the Xbox/360/One controllers, but that's a fairly minor detail and I have no other complaints about the controller.
There are no decent ones. I've tried them all now. Moved to DO and have had no problems so far.

TBH ALL the VPS providers are better than colo/cage suppliers from my experience who even at the high end are shit.
it's very possible to write code that can return responses in HTML or as JSON, XML etc depending on what the client asks for. Doing this allows you to concentrate on the API first but you can still add the presentation later.
We used parallel Python to implement the first version of the clustering algorithm. Although the CPUs weren't particularly beefy, the implementation was by no means poor. It's worth mentioning that the laptop GPU wasn't powerful either.
Building Models in Backbone and Angular
Introducing chibitronics (sticker circuits by Bunnie Huang)
Not sure what you get for $12k, but know that it is possible to build an autonomous airplane, and a gopro for much less than that. Here's a friend's video for evidence:

http://www.youtube.com/watch?v=rX3kFWoH17o&feature=c4-overvi...

His cost is order $2000.
It kinda works well by design. In the early days of the company you want to attract senior developers and thought leaders, since they will define the direction of the company.

Those guys typically have a good nest egg already, which makes larger equity / smaller salary package reasonable, and has a side effect of telling VCs a story of how low burn-rate (and therefore efficient) your startup is.

As the company grows, so does the need for implementers, who are motivated by salary as well as chance at equity, but mainly by salary.
True, but a layer of fungus would presumably act as an insulator, as it's absorbing part of the radiation? Perhaps it would be easier/cheaper/prettier to cover the sarcophagus in the fungus than in more concrete? Depending, of course, on a) how much it actually absorbs and b) how thick you can pile the stuff?
What is the most spectacular engineering disaster in the history of mankind?
We https://commando.io use, love, and are sponsored by DigitalOcean. They've been awesome and amazing. The SliceHost of 2012/2013.

Some features we really want to see are when upgrading a droplet, the ability for the disk to increase in size. Right now, you have to image it, delete it, create a new droplet from the image, and pray that you keep the same IP address. Not a suitable solution for companies relying on uptime and stability.

Second, when creating a droplet, the ability to check a box, "ensure this droplet is provisioned on a different hypervisor then the rest of your droplets." Again, when building a highly available cluster, does absolutely no good if they are all on the same physical machine.

Finally, the ability to attach multiple ip addresses to a single droplet is a must have.

With that said, thanks DO, you guys rock!
I'm sure there's more detailed data for this in Google's implementation of this but largely this reads to me that this program is more of a way of HR showing management how effective or ineffective they are. I didn't see a part where there was large scale opposition to management by engineers and then a reversal of that thought, proven with data.
We made Cove to help remember experiences and tell stories. Interests are chapters of our lives, like cooking, reading, and traveling.
His nest egg may not have included his retirement accounts.
We might be arguing about the meaning of words, but an API can be a lot of things. (I assume you know the things I'm about to say, and I don't mean any of it to come across as condescending--I'm legitimately trying to explain what people are arguing for when they talk about API-first development.)

All that an API needs to be (by definition) is a specification for how two pieces of software are meant to communicate. So yeah, technically the SQL interface to your database is an API--voila, API-first. But usually when people say API-first they are talking about an architecture that promotes reusability by considering that their web application might not be its only eventual consumer. That looks different depending on what you're building; if you're building Wikipedia "API-first" could mean that you're building a public API and then building a website around it (which you may still choose to render server-side for the reasons stated previously). If you're building an online game maybe "API-first" means you intend to have mobile clients consuming the API once you finish the web client. If you're building a business application, maybe "API first" is keeping your options open regarding future third-party integrations. In every case the controller logic has been encapsulated and there's an interface that could potentially be accessed by multiple consumers. (Specifically, in the case of a REST API it's an interface that can be accessed via HTTP, which is handy because then anything that speaks HTTP can communicate with your application.)
With a bounty -- the first to guess a 2-character password gets $50.
Convert any webpage into an e-book
I wonder if the eraser could be used in more complex (if less elegant) apps such as AutoDesk Sketchbook or ProCreate to invoke a menu instead of erasing.
I agree with your assessment that this isn't really "building" a computer/etc., but I think your tone is unwarranted here.

This looks like a high-quality RPi starter kit, for which there is still a niche. Their "build" fluff is just for marketing to parents of aspiring hardware hackers, and if it means more kids get to start hacking around on a Raspberry Pi, I'm totally okay with it.
The crowdsourcing campaign was on the frontpage the other day. Bunnie Huang (famed XBox hacker) is part of this project. This page is explains the project's rationalization, history, and engineering -- mad cool.
> So much time trying to solve programs which were fixed in other languages ages ago and inadequately so, simply because it is 1 an interpreter, 2 it is the only one running in the browser (aka THE universal platform)

This is not a trivial benefit to which further attention can be dismissed as "slavish fanboyism". The biggest strength of JavaScript, by far, is its ubiquity. Without discussing whether it was or was not a waste of time to build such a wide variety of JavaScript-programmable platforms in the first place, this is the reality. With it, you can:

- Produce "binaries" that are universally executable via the browser platform
- Perform a wide variety of system-software-level functions, such as I/O
- Perform hardware level operations
- Render 3D graphics
- Serve as a compilation target for other languages

In what other language can you write a program which will run on such a combinatorial explosion of operating systems, hardware platforms and CPU architectures, let alone with reasonable performance?

I will agree that the language itself is inelegant, that there are many difficulties with using it in the browser, that reimplementing existing technology atop JavaScript can result in poor performance, etc. But to call it "madness" that people deploy to such a universal platform is silly. The gains are self-sustaining, and at the core (the browser) there is no other choice.
You might end up in the trap of only writing correct bugs.
This appears to be another mechanism to mitigate CSRF vulnerabilities, tailored to a single page app. It is quite similar to, for example, putting a security token into a form that is validated on post. The difference is that it is put into a header. This is probably less secure, in fact, because the token comes straight from the cookie. CSRF tokens are typically generated server side and can thus be made cryptographically strong.

It's funny because the author initially advocates against using cookies because they are susceptible to CSRF attacks, and then immediately suggests using cookies as part of this new scheme (albeit in a different way).

This is a good example of why you shouldn't design your own security system unless you are an expert in security and/or cryptography.
"1GB in 10 seconds" is 819Mbps. This is snake oil territory. Even if they put the pedal to the metal on every single radio in the device simultaneously you can't push data that fast.
Another reason they probably have the debit card restriction is due to the fact that the fees on debit card transactions are much cheaper than credit card processing fees.
The title is somewhat misleading (wow I hear that a lot around here.) Basically the founders raised a bunch of money (almost $2M in '99 and $3M in 2000) right before the dot com bust.

The article gives no indication how well they did, how they were able to raise so much money, what happened with it, etc. So really it's hard to judge if the founders were really put on the street like the title suggests. Like someone else mentioned, it seems as though a lot of the value was created after they were gone. Who knows if they blew the money, sucked at managing and scaling the company, etc. WE DON'T KNOW without doing more research.

It kind of sucks the article was so vague on their actual business value. That would've given more insight. If it said they put all their blood, sweat, and tears and created value for years before it was ripped out of their hands and given to the big bad VCs, then I would've had more sympathy.
This tutorial fits the bill, and it's not too long. I worked through it when I was first learning C.

http://www.osdever.net/bkerndev/Docs/intro.htm
E-sports site settles covert Bitcoin mining case for $1 million
Great ideas. I'll try practicing with screenflow next time. Here are some things I do: http://blog.spanishcurls.com/hacks-to-improve-presentations
I have both RamNode and Digital Ocean servers in production.

In terms of performance and cost, both are great. I haven't ever had any issues with Digital Ocean. With RamNode, they've had a couple of issues where there's been minimal downtime. And they had a breach back in June, but responded well.

I think I trust Digital Ocean more. The setup is easier and performance maybe slightly better.
The "in it to win it" is a typical structure for a private equity, but not for venture-funded software startups. Was your friends' company venture-funded?
Good 'ol Poe's Law (the other way around this time)
Worst landing page ever. You can't "hack" conversion by refusing to tell people what they're signing up for.
Block size limit will be raised as soon as there's a pressure of transactions. Miners are not interested in devaluing their savings because Bitcoin is too expensive to use for newcomers.

http://blog.oleganza.com/post/43849158813/this-is-how-block-...
Selfish Mining Simulator
I came across an article [1] that mentions load balancing as an upcoming feature. Is there a chance you could elaborate on the feature spec or provide a rough ETA?

[1] http://www.enterprisenetworkingplanet.com/datacenter/digital...
There's no detail too big to gloss over for the sake of a good headline.
I'd recommend putting that somewhere on the site. Right now there's no hint as to the site's purpose.
Reuters: Anonymous has been hacking government computers for a year
The problem is that, from a pragmatic perspective, you have to balance the benefits of a safer language and the cost of "explaining" to it that what you're doing is safe. If you want to make it accept a particular construct as "safe", you have to feed it with a lot more information, whereas in a more permissive language you can just be imperative and tell it "I know it's ok, just do it". The tooling approach is, it seems, more attractive because it adds a bit of safety at a moderate cost.
>The rule of thumb among venture capitalists is that some 20 percent to 30 percent of companies fail, returning nothing to any investor, including the venture capitalists.

Earlier in the article, it mentions the statistic that I'm familiar with, which is that roughly 75% of venture-backed companies fail.

What gives?
Hacking victim TD forced to shut Facebook page
Cool, but you can't let your drone fly over cities. Not in my country and I suppose not in most places around the world.

My brother however will be happy to use his quadcopter to contribute with some aerial images of fields
Glenn Mulcaire in News of the World investigations team, hacking trial hears
1. Not really true nowadays. Google can trawl Javascript sites. Other search engines may be able to as well.

People have been saying this for a long time, but as of 6 months ago my experience didn't support it (Javascript sites get indexed, but not ranked as well as traditional sites). I haven't tried recently--does anyone have up-to-date information about the effect of client-rendered sites on SEO?
For just needing an off-site VM for backup-relay-host/testing/debugging purposes, you just can't beat $5/month. Been very happy with them, and the fact that I can just throw $50 into my account and not have to worry about it for almost a year.
The numbers I see in the article are 100mb in under a minute. Where did you get your quote?
Pocket 5.0: Introducing a Smarter Pocket
The fact that Tesla was not willing to trust the Insurance companies to price insurace going forward on the same basis should be a clue that there are people revisiting their priors. And I doubt they are reading PR pieces, they may even have less ambiguous data than what we looked at here. In any event its clear tha the range from the 'rosy' projection to the 'strict' comparison is an order of magnitude in variation. It seems implausible to argue that there is 'no material change' in risk from these new data. Regardless if the issue is just a design one (and nothing really inherent with EV vs ICE).
Fukushima nuclear disaster is warning to the world, says power company boss