skysight-inc/HackerNews huggingface dataset:
In a past life, when I was mixing GPS, accelerometer, gyros, and tachometer sensors, Aided Navigation by Jay A Farrel (http://www.amazon.com/Aided-Navigation-High-Rate-Sensors/dp/...) was super handy.

Optimal State Estimation by Dan Simon helped, too:
http://www.amazon.com/Optimal-State-Estimation-Nonlinear-App...
Hi Hunter

How much safety testing have you done on your battery? Specifically, if an Ohm battery is involved in a collision, how will it fare? I know you are not content with shipping anything you aren't comfortable with your own family members driving with [1]. But, how do you know this? What makes you so sure? I don't mean to come across as interrogative - I am just curious.

[1] http://www.getohm.com/

edit: grammar
What state do you live in? Mississippi or Puerto Rico?

20k is far too low, you can make more than that waiting tables. Jesus 9.615/hr. I made about double that as a waiter in Oklahoma in the mid 1990s.

Update your resume sir/ma'am!
Password validation sucks – but it doesn't have to
You can see what looks like a wall fragmenting and heading toward the camera, too. Yowch.
Having a bird in the kitchen is just a bad idea (unless you are going to eat it). If you overheat oil, that becomes toxic as well and will kill a small bird the same as overheating teflon.
How do you know when an explosion is possible?
>> Active noise cancelling still adds to the absolute volume, doesn't it?

Noise canceling works by playing back the exact environmental frequencies through the headphones, 180 degrees out of phase. So from the perspective of your ears, noise canceling does lower the absolute volume.
Does this in any way compare to the halifax explosion? Maybe a new record for accidental explosions?

https://en.wikipedia.org/wiki/Halifax_Explosion
Just because you can type "sudo" on both doesn't make them similar when it comes to making GUI applications. Again, the frameworks are completely different, meaning that a complete or nearly complete rewrite would be necessary.
http://my.teslamotors.com/roadster/technology/motor

No magnets, induction motors.
Yahoo search is powered by Bing.
The dishwasher might be more damaging because it uses detergent rather than soap and the water is typically very hot.
I make 31,200 supporting a few dental offices, I'm about to give my two weeks notice (when my boss shows up) and i'm going up to 41 to do the same thing. That's abysmal man.
I don't know how much you can talk about the tech, but I'm interested in how it fits with existing batteries & applications. Is it possibly an add-on to lead acid? A better jump starter? What about industrial like large motor plants where you need a jolt to get a lot of weight moving?
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I planned to watch them with my son tonight, but unfortunately here in Poznan, Poland the sky is so cloudy that we won't see a single meteor.
I've always assumed that maintaining the 140 character limit is a marketing decision, and they've long since removed any technical limitations that keeps tweets to 140 characters. Does anyone know if I am correct?
http://www.economistgroup.com/results_and_governance/results...

Operating profit of £60m, up 2%

Circulation of The Economist robust at 1.6m

13% increase in gross profit from circulation

Final dividend up 5.5%
0.003076923076923077
This is the probability of your project to be selected in the first batch of YC Fellowship. Don't rely on it. And keep coding.

(This post was written mainly to myself and for people in similar status like mine ;) )
Are there really 1 billion people saved by blood transfusion?
I was a subscriber for 4 years and I can confirm that the Economist is crap. It looks good compared to other choices like 'Times' or 'Newsweek' which are totally unreadable.

* It has totally absurd double-standards: Russia, Iran, China and their puppets (e.g. Syria and so forth) are 'bad' and 'evil'. US, EU and the UK stand for 'justice and peace in the world'. If your world-view is so naive, then you deserve the economist.

* You never know the author. You never know the actual author's background so reading between the lines is (in the beginning at least) hard

* It has it's own view of economics, which most of the times is miles apart from the academia: If I had to choose between 'Buttonwood'[1] and Paul Krugman, I'd go with Krugman any day of the week. Having different opinion is one thing, diverting from mainstream academia views CONSTANTLY on 101 macro-economics is another.

* The Economist is extremely PRO-WAR. There is NOT ONE instance that I recall the economist NOT backing a war: Afghanistan, Iraq... Latest one was Syria. The magazine's editor, openly called for the USA to attack Syria. The article (main article btw) was awful and brutal.

Are there any good articles in there? Of course. There are many good articles featuring in the Economist. But overall it's not nearly as good and fair as most people think it is.

I don't know if the editor changed after 2004, but me and many other readers have the feeling that after 2004-5 the quality dropped incrementally.

Generally speaking I found "The New Yorker" to be the best[2] magazine so far. I think part of the reason is that it's not on the spotlight so much, as the 'Economist' and the authors receive less pressure to push a specific agenda.

[1] https://en.wikipedia.org/wiki/Buttonwood

[2] When I say 'best' in this context I mean avoiding 'double standards' giving everyone a voice and so on. For example check out the articles on Wikileaks, Assange, Snowden or any controversial figure in the Economist vs New Yorker. The New Yorker features interviews, articles and views from both parties, not only from the US gov. The Economist on the other hand even when it tries to be fair to someone, uses diminutive terms like "unorthodox", "unconventional", "self-proclaimed", etc. That's not journalism, that's manipulation. The worst form of manipulation.
Skowt – Platform for unsigned artist
Tried running on my Ubuntu 14.04 server and got the errors below (I have MySQL 5.5, java version 1.7.0_75 and have installed libmysql-java)...

./lavagna.sh: line 54: -Ddatasource.dialect=MYSQL: command not found
./lavagna.sh: line 55: -Ddatasource.url=jdbc:mysql://localhost:3306/lavagna: No such file or directory
./lavagna.sh: line 61: -Ddatasource.username=lavagnauser: command not found
The new tutorial is pretty spiffy. It teaches you the branch-commit-pull request workflow by actually taking you through the process on a mock repo!
In general I agree. I stopped reading the economist since they often approach stories as if they only have 1 or 2 sides. I would rather read more nuanced long articles on fewer issues.

There is a sort of sophmoric danger zone WRT being informed on any issue. Sometimes you can be informed enough to discuss something, but lack a proper nuanced understanding from multiple sides.

I'm fickle when it comes to magazines, but I still love reading them. My latest infatuation is Harpers. However, in their latest issue they wrote a medium length piece on something in my area of expertise, and kinda did a poor job of it. This makes me question the quality of their other pieces on subjects that I am less familiar with.

I have some formal training in economics, but not enough to call myself an economist. However, even I can see that the economist performs their economic narrative generation a bit too neatly. They leave out nuance in favor of length.
Exactly what I was thinking...

...and more on that point, I drive an RX-7 and my engine puts out _extreme_ amounts of heat under the hood. a 50C top-end probably isn't enough for driving on hot days.

I would go for one of these without a second thought because a) though my car is light, reducing more weight helps out loads with performance and b) these things are known to kill alternators and I'd love advance warning of when I might end up stranded without having to test the battery's volts every day.

I'd love to demo one of these.
Creating a Simple Application Using React JavaScript and Flux Architecture
Welcome to a Bitcoin discussion.
The optimal block size is obviously 0, as these blocks will propagate through the network the fastest, thus lowering the orphan rate to nearly 0, and will require the least resource usage (bandwidth, hard disk space, CPU cycles) for full node operators.

... see what I did there?
I spent 7 years (02-09) working for Kodak in their Windsor, CO manufacturing plant. It was an incredible lesson in [not] taking risks that I'll never forget.

The writing was certainly on the wall about the digital photography revolution when I started but nevertheless every year the story was the same as the losses continued to mount: "Digital continues to eat into our film business faster than we have predicted. We've accelerated our plans [to switch to digital] for next year."

Meanwhile, in the middle of all that I remember picking up the WSJ and reading an interview with Netflix's Reed Hastings. They had just debuted streaming and were fielding questions from reporters asking if they were worried about cannibalizing their successful DVD business. Reed's response was "We have to obsolete ourselves before someone else does."

I cut the article out and hung it in my office at Kodak with that quote highlighted. It was pretty well faded when I finally took it down, laid off as a part of another "digital transformation" restructuring.
Is mirroring also allowed when 'filling' a 3d space?
There's also more up-to-date documentation/support by the community: http://arclanguage.github.io
Your resume (and this post) suggest that your grasp on proper English spelling and grammar is lacking. This is an immediate turn-off to anyone receiving your application (the first line of whom are likely to be human resources, not technical folks). You may want to work on that.
Parent has the right idea. One of the few valid criticisms of VP8 was that the code /was/ the standard, so you had to reverse engineer the encoder/decoder. This is not only a PITA but also prompts questions such as whether an obvious bug is part of the spec.

It also took a full year after Google bought the company behind VP8 to actually release the code. Someone from Firefox actually wrote an open letter to Google basically asking WTF was going on.

I don't have any first or even second hand knowledge of the current situation, but I suspect that Google has continued to ... not collaborate as much as everyone else would like.

(Caveat emptor: the above is based off of memory of events that took place a few years ago.)
Steve Blank on Surviving Hyper-Growth
Sometimes plans are short-term dreams.
> Once every car has a battery, wouldn't the standard car battery that's most common today be obsolete?

That day is still a long way away, and once it arrives, there will still be large numbers of classic and modern hot rods on the road. That's not a small market.

> At your price point, performance/luxury cars seem to be your only market

The US automotive aftermarket was around $300 billion in 2013.

> ...already limited to 5 years at the most.

I seriously doubt that even the majority of vehicles on the road will be EVs within 5 years. And 5 years is plenty of time to develop other innovative automotive products.
The wiki is just a git repository of markdown files. You can grab that and use a local text editor if you want, though that's not integration with the app (but I'm also partial to using the command line).
In this instance, a massive and towering inferno in a port/construction zone/etc would be a reasonable marker that an explosion is possible and likely imminent.
80%+ approval only saying that 60%+ of country population don't care about politics. At all. People have too many other problems to worry about: how to pay bills, where to work to get money for food and few others needs (like to buy expensive clothes / iphone / etc). Unfortunately very little percentage of country population have even rough understanding what things like "democracy" or "liberalism" mean, but this is expected because there was never democracy in Russia. Pretty sure that North Korea would have 100% approval rating for almost same reasons.

Also to be clear I don't mean that no one affected by propaganda. Pretty sure that like 70% of people may actually agree on many things shocking for average european.

Though very few of these brainwashed people will actually go defend Putin regime in case something happen. Likely it's about the same amount of people you may see participate protests in past years.
Is anyone else bothered by the name DM or "direct message"? For the rest of the internet the standard name has been PM for private message or personal message.
Can this battery be used to jump another (traditional or Ohm) battery when required?
Thanks for correcting me. I knew the physics behind it, so I'm not entirely sure why I've never self corrected that belief.
Again, not more than the one needed for Windows.
He created Instapaper, not Instagram. He sold it to Betaworks.

They've been doing great work with it lately and have a solid subscription business model now.
Oracle Deleted Its Insane Rant Against Security Hackers but You Can Read It Here
>At your price point, performance/luxury cars seem to be your only market

Is this really true? It sounded from the article like they're only about $50 more than a typical battery, unless I missed something. I could see some people with normal cars shelling out $50 for the longer life and features to avoid a dead battery, even if the reduced weight doesn't matter much to them.
I think a lot of Lispers are; it got a great reception at Lisp50 from at least some of the oldbies in attendance.
> Bitcoin's only real-world use case is illicit goods.

You have a lot to learn; I recommend starting here: https://medium.com/@lopp/the-multifaceted-nature-of-bitcoin-...

A deeper dive here: https://www.youtube.com/watch?v=IgETC2JMUBI
See also NixOps.
Hey Matthias, I came to the video through MAKE Magazine that so far has been a legitimate source of information to the maker community, I tried to edit the post but I couldn't next time I'll double-check that.
You're thinking of a very specific type of investment. Investment in the more generic form simply means putting in time, money, and/or effort in the hopes of some future reward. In this case, you're investing money in the hopes of a future reward that you preselected.
It's natural evolution of Twitter's position.

The value of Twitter stems from its stream. The 140 character limit is entirely arbitrary.

Increasing it too much may have detrimental effects, but increasing it gradually shouldn't cause much harm.
Given that A: dark matter has to have been around since the beginning to solve the problems it is meant to solve and B: must not interact strongly with anything, including itself, to solve the problems it is meant to solve, it seems unlikely that it can be supporting any structures whatsoever, let alone usefully living or computing ones.
I would feel a lot better having been a KS contributor to this than I would having been a KS contributor to Oculus. "Thank you for your contribution and now some other, better-connected investors and employees are going to make money off of their investment in us" is about the worst possible outcome of a Kickstart.
Hi Hunter. Do you all plan to offer the battery in a minimal form factor (without the group 35 adapter)? I currently am running one of the Shorai LiFePo4 batteries in my track car. I really love the small size and weight, and would be willing to work around the smaller form factor.
Are you confusing gravity assists (unpowered) with the Oberth maneuver (powered)? You can't use a gravity assist with the Sun because it's at rest relative to the rest of the Solar system. The Sun is only ever dragging you down, whereas a gravity assist maneuver drags you around the target body. (Imagine me waving my hands a lot while you read this.) You can kind of think of it like coming up from behind a planet relative to it's motion around a star, which will will accelerate you, or going in front of it, which will slow you down.

For interstellar trajectories you can use stars for gravity assists, but I'm not sure that would work for escaping the Sun. There, you would want to use the Oberth maneuver, where you get into an elliptical orbit around the sun and then fire your engines at perihelion to raise your orbit to a parabolic or hyperbolic trajectory.

In any case the Voyagers both used gravity assists around the gas giants (Voyager 2 used all four, while Voyager 1 just used Jupiter and Saturn because NASA decided to swing past Titan and didn't have enough propellant left to resume the Grand Tour course).
Kickstarter's Open-Source Month, Week One: Caption Crunch
How does it handle a car that's iffy on starting? It's probably not hard to get something that'll crank a starter for a few seconds. But what happens if it needs to crank for 60 seconds over a 90 second window?

I've got a 2006 Forester with a manual. I'll occasionally stall it backing out of a parking spot, so I'll have to start it again. For some reason it's much more difficult to start in between cold and warmed up, so it'll take several seconds of cranking to fire back up. If I were to stall it again trying to get going, would I then be in trouble?

It doesn't happen often, perhaps only once a month. But if I'm stuck there for 30 seconds while the LiFe batteries recharge the supercap I'm not going to be happy.
Magit is AWESOME. It's easily saved me an hour each day (when using git heavily).
>But it might do wonders for intelligent discourse.

I see this thrown around a lot, but I don't think removing the 140 character limit will suddenly make Twitter a bastion of thoughtful and intelligent discourse. Twitter is huge, and the "intelligent" discourse I would expect to grow on Twitter would probably be the same "intelligent" discourse Reddit has had for years.

I still believe the character limit on tweets makes it effective for users of Twitter to consume a lot of content from a wide range of people. To me, the end 140 character limit, would be the beginning of artificially curated streams (like Facebook). 50 140-char tweets from 45 different people likely has very different engagement than 10 500-word tweets from 10 people. At that point, whats the difference between Twitter and Tumblr?
Under their assumptions, murder doesn't come up very often, because civizilations rarely-to-never cross paths in the first place.
> if it’s ever about to reach the point that it’ll no longer be able to start your car, it’ll just turn itself off. Your lights will fade out and the radio will go quiet — but once you turn the key, everything will spring right back to life, no jump start required.

How does that work? If the battery stops providing current to prevent itself from being fully drained, you're not going to have power to the car's computers to actually start anything.
> It's impossible to maintain the massive amount of processing power spent on this solely through transaction fees.

0.00625 BTC in fees is enough to match the current block reward.

That's to say the current security of the network would continue on if everybody paid $1.63 per transaction in fees.

> You still have the problem of the chain becoming too great in size, but that's a problem with some pretty obvious answers.

Uh... like what?
Save half your money for 15 years and you can do this. Depending on your financial situation you can probably do it faster. It's simple (though not easy). Don't just imagine this as some impossible dream. Make it a real goal and go for it!

Go read http://mrmoneymustache.com
No, I didn't say that. jeffreyrogers said that.

I said you were better off taking a side job and I still believe that to be true from an economic point of view.
How many times in a row is the battery able to start the car without needing time to recover?
This, I think, is fundamentally the equation driving modern game design and the "indie revolution".

For AAA games, modern, high-end systems increase the difficulty of providing a product. Modern development tools help, but graphics demands and expectations are inexorably growing. In a world where animating reflections might be a full-time task, 6-10 people can't even count on developing a trailer for a AAA product.

In response, then, indie games. Why the rebirth of pixel art and simple, geometric visuals? Not because it's 'retro' or 'clean', but because it's easy. Procedural generation, low-poly graphics, and user generated content aren't popular because they produce the best products, they're popular because they're all decisions that slash the number of employees you need.

Woolfe's mistake was setting out to make their game as good as it could possibly be. For an indie team today that's simply not possible.

To paraphrase your producer, "3 years = Duke Nukem Forever".
A lot of hybrids, like the Prius [1] have a second battery designed for turning over the engine that are designed for different usage cases than the drivetrain batteries; it's also why this battery has a supercapacitor for starting, and lithium polymers for the rest of the time. Additionally, there are a lot of people who like older cars, think hotrodders, etc, where a battery like this would also be useful. It's definitely more of a niche product, but I do see a market for more than five years.

[1] http://www.amazon.com/Optima-Batteries-8171-767-DS46B24R-Yel...
Are you on Windows? I'm pretty sure the Mac version hasn't been updated in quite some time. I just downloaded a fresh copy, and it's the same version I downloaded a while back: 2.0.5.2.
Yes, not eating helps you lose weight.
Great product idea! One possible side market: have you looked at adapting the capacitor+battery combo for electric bicycles? It could be a great application: batteries for energy density, a capacitor as a buffer that can be filled quickly in a pinch (for charging while out and about, or from regenerative braking) and the capacitor could be discharged quickly for high-power acceleration. For short trips the capacitor would bear much of the load, saving battery cycles. The total capacity may need to be somewhat higher than 10Ah, but probably not much higher.
https://www.cybrary.it/

From their homepage:

"Our free online IT and Cyber Security training classes include everything from industry certifications such as Certified Ethical Hacker, CISSP and CCNA to advanced niche skill sets like advanced penetration testing and cloud administration. Our training includes instructional lectures, interactive lab demonstrations, exam study guides, white papers, case studies and more."
In that case updating a container to a new version would require everyone to change the container ID they are using. This introduces friction that either causes people not to update, or to develop wrappers that do something similar to this.

Granted, this doesn't always apply to packages you build yourself.
The entire purpose of mining is to enable global consensus.

It's not possible to ensure that all miners are operating on the same transaction set.
>what if they eventually decide they want to remove the 140-character limit from tweets

8-part Tweets (or larger) are extremely common. Like it or not, people use Twitter as a blog engine. Making it a less shitty blog engine might be a good thing.
I do agree that the economist is a bit sneaky like that, I think the latter part of your post is spot on. But I do feel that it's not at ALL a contrarian news source.
Not exactly -30 but I know this guy had some success with off the shelf caps: https://www.youtube.com/watch?v=GUXM1XuLUIs

There's a few other vids on this topic if you search through the channel
If you wish to make an apple pie from scratch, you must first create the universe.
Would this translate well to Elixir? If so, I'd buy it!
From the FDA. Before they approved teflon for use in cookware they tested it vs oil.

Oil was found to be toxic at a lower temperature than teflon, making teflon safer than oil for high heat cooking.

Obviously when I say "oil is toxic" I'm being sarcastic.