skysight-inc/HackerNews huggingface dataset:
It would be pretty spectacular.

Each proton would, at the full power of 7 TeV, have 1.12 microjoules of energy. 1.15x10^11 protons per pulse, 2808 pulses per beam and two beams, one of antiprotons, and one of protons; for a total energy of 352,235,520 joules. 87 kilograms of TNT.[1][2]

Your hand would evaporate fairly quickly, then turn into a plasma, then get hot enough to start radiating x-rays. There would be quite a lot of bremsstrahlung from the hyperenergetic protons punching through the cloud of plasma, and producing showers of secondary radiation,[3] which means you would be quite well irradiated by the time the shockwave from the explosion killed you.

1: All this is straight from the wikipedia page, but I double checked the math.

2: I'm not including energy liberated from antimatter annihilation energy, since the total mass of the antiprotons is quite small.

Typing that out, it sounds like a pretty lame excuse. Let's do the math.

3.2292x10^14 protons per beam. Atomic weight of 1, of course, so:

(3.2292x10^14)/(6.0221415x10^23)[4] = 5.362212x10^-10 grams. .536 nanograms of antimatter.

Since annihilating antimatter gets you 9x10^13 joules per gram, you get... 48,259.9089 joules. That's actually larger than I expected, but .01% of the kinetic energy of the beam.

3: Just how much secondary radiation, I don't know, since that depends on the density of the cloud of plasma, which would change over time, be pretty anisotropic, and be a general pain in the ass to model.

4: Avogadro's constant

Buncha edits: forgot HN uses the asterisk to style text.
> So no - a universe could have completely different maths required to describe it.

That wasn't the question, though. Pi is the ratio between circumference and diameter of a perfect circle, whether or not you can create a perfect circle in your universe. We can't even create one in ours, and yet pi still "exists" here. Undoubtedly, wiggly-space mathematicians would also have a conception of pi, though it might be as esoteric to them as toroidial universes are to us.

To put that another way: Math has very simple axioms (e.g. set theory), and everything else derives from them. What theories can be proven from those axioms in this universe, can be proven from those axioms in any universe (and a universe that doesn't obey those axioms likely wouldn't "function" as a universe—it wouldn't have any reason to be causal, for example.) The maths describing a particular universe is its physics, which do change from universe to universe—however, those physics are all just different subsets of the set of mathematical physical models—which are, themselves, a subset of the mathematical theories provable from the axioms.
Professional TV critics get the shows sent to them before broadcast so their stories go live at the same time as the show airs, they could probably live somewhere remote without traditional cable or broadcast access and do fine.

I'd imagine being an editor of Wired means you don't need to go trawling Facebook for the latest breaking tech stories either.
If you call data munging "ETL" it becomes well-paid again.
It is possible to write clean, easy to maintain Perl. However the people with the inclination to do that left for Python, because you earn respect in the Perl community by being a "wizard", i.e. implementing a common task using obscure language features. In contrast, to earn respect in the Python community, you write boring code that does something interesting.
Interesting perspective into the life of a hacker!
A story about innovation and IP theft
I tend to usually be more worried about users than developers, honestly. The BSD license is a bit too enabling of developers who want to put restrictions on their users for my tastes. I'm not sure I take a stand as strong as RMS about what freedoms end-users should have, but imo every user should have at least the right to reverse-engineer software for personal use, while if I BSD-license code, someone can build something on my code that they slap an odious EULA on. I mean, maybe they can build it without my code, too, but I still don't really want to see something I built get tangled up in that kind of thing.

In particular, it could lead to me breaking the law! If someone built something using my code that they then kept closed-source and put a "no-reverse-engineering" kind of EULA on, I'd of course be curious how they'd built on my stuff, and would want to reverse engineer it. Quite a temptation!

(That said, I do use BSD-style licensing myself for some things, mostly stuff I consider as good as public domain, e.g. a fairly small bit of code implementing a well-known algorithm, even if it's imo a particularly optimized and elegant version.)
don't like jokes, I take it?
http://news.ycombinator.com/item?id=1711179
Would really like to apply, but I want to build a reading application (expressly forbidden by their SDK agreement), because I've yet to see anything efficiently use E-ink displays, and their UIs are uniformly nasty. To the point where I've wondered if they're doing it deliberately, because it could mean relative-death to second-hand book sales.
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Interesting. I would like to see some more details on that solution?
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Sounds like a good move :) If you need to learn more about WordPress and want to tweak it as you need, I highly recommend the ebook Digging into WordPress. I recently reviewed it on Techinch.com if you're interested. Feel free to give us a shout out if you need more help!
Someone I worked for a while back is currently building this:

http://nexmo.com/

May be interesting to keep bookmarked (I don't write SMS-enabled apps myself).
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Ask HN: Android adding payed apps support for additional countries.
I've got an email from the android market telling me that the Market will add payed application support for additional countries. Does anyone know what countries will be added?
You are not allowed to joke in HN.
With pictures, it would be pointless, too. You cannot see from a picture how long it took to draw it, whether that drawing speed can be sustained, etc.
Pointer Syntax? What? I'm not trying to be an ass here, but I'm confused as how you could have a decade of Perl use up your sleeve and not realise Perl has no pointers. It has references, perhaps, and perhaps I'm just being a semantic pedant, but they're quite different to me.

Then again, I actually find C/C++ pointer tracking and memory allocation daunting, so perhaps that is why I find Perl references more intuitive than not?

In my estimation you can make Perl harder to work with if you try, but you can also make it easier. ie: regular expressions are easier to work with if you use the /x modifier so you can whitespace fill it and document the regex itself, you can do things the hard way with objects, or you can use something like CPAN and get a module that makes this easy ( Moose is my favourite ).

Sure, Perl is perhaps hard for people, I'll give you that, but it doesn't have to be.
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And the Python 're' option: http://pythex.org/
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Clearly you are not a member of the Perl community. Or else you wouldn't have such big misconceptions about it.
The obvious improvement is to make a singleton object that crashes then program whenever a message is sent to it. Let's call it "dead", so you can do: "myPointer
Protip: you'll get more people interested in you if you spell it Perl instead of PERL. Despite appearances, 'Perl' is not an acronym, there are backronyms for it, but that doesn't mean its an acronym.

I say this only because you give the illusion of knowing something about what you are talking about, and its merely sad to me that you can use Perl for 10 years and never learn this.

( And sadly, not knowing Perl is not an acronym looks bad to people who know different, and thus instantly assume you're not very experienced in Perl )
Most people are not camping all the time. Plug it in before you go to sleep; just as routine as brushing your teeth. (Although this will not work for blackout drinkers.)
Couldn't you just use a gsm modem connected to some computer with a sim card in it?
Nope, I left it a while back and I'm not missing anything but then again I have always valued face to face contact above any other and I consider facebook to be a very poor emulation of a social experience.
I am sorta similar, in the sense used to be more of a introverted/shy person. A tip that I came across in an audio book helped - go early to such meetings when there aren't so many people. Then, the 'circles' wouldn't have formed yet and the early birds themselves would be looking for someone to converse with. It would be easier for you to approach them and make some small talk.

Once you get to acquaint yourself with a few, you will find it easier to join a circle later without being held up by the thought that you don't know 'anybody' in that circle.

Good luck.
Do on scale. When people purchase, send them a high-quality plush toy representing their toxic asset, with crossed stitching for eyes, and a username and password.

This login accesses an online app that tracks their asset. You can link it to your facebook account, so that progress updates will appear like farmville messages.

If the asset gets profitable, they receive the eyes for the plush toy. Either way, once it's wound up they get a framed certificate to celebrate their participation in helping America out of deep financial shit.

Imagine buying a close relative a toxic asset pack for Christmas. It's a bit like giving someone a plant. You get to watch it after the day. But it's more edgy gift, because of the faint chance it will make money.
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Tip for you. The language is named Perl. And a lot of people use it as a quick filter to tell whether someone has actually encountered the Perl community.

Check out perlfaq1 if you doubt me.
Backupify works, but the formatting is odd. Your Twitter stream is packaged as a PDF book.
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People who are on the sidelines are always claiming they could do it better, or otherwise downplaying other's attempts to make something cool. Apparently you haven't been able to make any apps that caught anyone's attention, and it sounds like you're jealous that something you perceive as equal to your efforts did.

Honestly, I'd never intentionally hire anyone with your attitude.
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Agreed!

"The good thing about reinventing the wheel is that you can get a round one."

Douglas Crockford -- creator of JSON
Yes, it's an iMX35, you can see a teardown of the WiFi+3G version here: http://www.eevblog.com/2010/09/03/eevblog-109-amazon-kindle-...
I was still waiting for approval... :-/
Sure, if it came with an SLA, had a support number or someone to hold responsible.

We're programmers, we're hired not to do everything ourselves.
There are so many other SMS providers, with cool APIs, that send internationally without any issues.

I used one such service from 2000 or so when I ran a ringtone website.

It's a solved problem. Just search Google for "bulk sms gateway" etc and you'll find literally hundreds of providers with various APIs and so on.
This post reminded me of my own father.

My family migrated to Canada when I was 3 years old, my mom came with 60 cents in her pocket, my dad just a little more than that. One thing my Mom has that my Dad could not find was faith, and a hell of a lot. She always had faith that she could escape poverty, fast forward to the present, she now has a wonderful government job and she is well on her way to starting her own business. I can't say the same about my dad, he is still buying those $800 cars, living in shitty apartments and has been working at the same barber shop since we first came here. My parents split up about 7 - 8 years ago and to be honest, I was happy. My dad was bringing us down with his mentality, my mom has always sheltered me from it, so even though I was growing up in poverty, I never felt poor.
Well you could have linked to the original discussion :)

http://news.ycombinator.com/item?id=542531

I think the link may have changed which is why it got past HackerNews's dupe mechanism.
Google for "bulk sms international". There are hundreds of them.
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Review my mapping startup idea
I've made an MVP for a service that lets you create a customized map with your points on it - can be used as a store locator / office listing / shop finder, anything.

Any thoughts / feedback?
Create something meaningful with Facebook? The last time I checked, Facebook is not a creative outlet

Then you're not using it right. For me, Facebook is absolutely a creative outlet-- it is a blogging service aimed at a limited audience of readers, i.e., my friends.

Furthermore: all genres have limitations; that's what makes them genres. There are predetermined sets of rules for almost every type of creative endeavour.

As for your final question: why does created entirely via Facebook come into it? Facebook, like all good communication channels, includes citationality. You might as well say that YouTube cannot be used as a creative medium, because the videos were not created purely within Youtube.
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Ask HN: Service to track my movie and book consumption?
Is there a service out there to track what movies I watched, tv series episodes I saw and books I read?
I'd recommend going Old School, and just using a Moleskine and a pen.
Work hard enough (and smart enough) early enough in your life and you can have an option of taking it easy later in life. If not, you won't even have that option later. Just make sure that you work hard in an area that can help you make money.

But, irrespective of what you say in the post, I think you are already on the right path, you visit HN and you ask for advice, thats definitely a great start.

About the part one not being able to run a business, nobody is born with that capability, they learn one way or the other. So if you learn, you can run one sooner or later.

If you learn enough and fast enough, you don't have to program for 5 hours for the rest of your life, you can manage others who have to program for 5 hours, for you.

Good luck.
That only kind of works... Actually, once when we needed to deliver many messages, we tried to get 6 usb gsm dongles. Then we discovered that you can overload 1 gsm transmitter with 6 standard dongles - maybe the equipment was just weird in some way, but at some point messages simply started to be rejected. Another problem is the delay - you need ~4s to get an acknowledgement which seriously limits the throughput. Then there are other problems with mass-sending... there is one 8-bit counter, but I can't remember now for which functionality (either replies, or delivery confirmations), which killed the idea in the end (it was supposed to be mass-notification, so thousands of texts / hour).

Just find someone who provides smpp gateways and save yourself the pain...
Mark Twain more or less nailed it. Its not unheard of. His belief in it may make it so.
Will any of Startup School be recorded? Would love to watch some of it, hard for people internationally to apply! ;-)
This is an important lesson for any startup. Don't rely on free services, insist that you pay for them and set up an agreement.

But it is also a lesson from the other end. Twilio would probably not have done this lightly. By not offering agreements for there free service, they had the option of choosing to disappointing their users instead of loosing what might be a lot of money. It's never the easiest decision but it in some cases it is the best option.
It seems there are two Perl communities. One is the horde who have been playing code golf and writing horrifying crap since 1987, and the other is the Modern Perl guys who are actually trying to create a robust language (except that it'll be based on Perl, for reasons that escape me). The last time I saw Moose come up, I was told that only 5% of CPAN has adopted it to date, so I think the influence of Modern Perl on the mainstream has been overstated.
I was wanting to use Twilio for UK SMS sending but the system couldn't send to my own mobile. I emailed again a few weeks back and it was still "unsupported".

I'm glad it didn't work on my own mobile as I would have definitely integrated it into my site and no doubt run into the same huge problem here!
Can you give a description of your service? "Put yourself on the map" doesn't really explain the concept of your service.
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I'll add something to this: tag along with a friend who knows a few people at whatever meetup you're attending.
A patent, really? My laptop has a battery too.
Umm, yes, I understand that c = 2 x pi x r only holds in Euclidean space (indeed, my original post gave two examples of circles in non-Euclidean spaces, to illustrate my point), but my question was more about why it holds at all. That is, if you consider pi as being a constant that you can derive from e (which is itself just a power series), and i (again, just a mathematical construct), it seems quite stunning to me that this constant (pi) should have such strong ties of Euclidean space. It implies a deeper connection between Euclidean Space, e, and i. Why should that be so?
I'm sure you can find a used computer store in Nehru Place. Otherwise, netbooks are incredibly cheap. I bought an Aspire One AOD260 a few weeks ago for INR 17000.

EDIT: were you on #hackers-india a few days ago?
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I'm younger than you by a little (or about the same) I think, and I'm not overly impressed with "social media" either. It feels like we've just been renaming the basic things computers can do with fad names since the turn of the century.

It feels like the endless potential has been wasted. All of the amazing things we could have done with computers and we used them for like-buttons and lolcats. Wow great, another app to tell people who don't care where I am and what I'm doing at this very moment. I'll try to contain my excitement.

Maybe its just classic burnout or a more troubling creeping pessimism that affects more than just me.

What gives me hope is that these things seem to happen in fits and spurts and the biggest jumps seem to start in the down times and recessions. When they arrive they are fast and unexpected and usually made from bits of the ordinary that had seemed boring and innocuous until put together just right.

It seems like we're about due. I don't know if it will come from open source hardware, desktop manufacturing, DIY biohacking or something I haven't even considered, but I expect it, and soon.
Kosher, but make sure you're extremely clear that you intend to do that before charging the card.

I, for instance, live 4,800 miles from the billing address that PayPal and my credit cards have on file for me. If you don't plan to ship things to where I'm actually at, I'd prefer to know about it before wasting my time on your site.
I think it's a 'tinyurl for location'
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Yup, it'll all be live/archived on justin.tv.
You're right, the OP and I have the same position. I read the comment quickly and focused on the "Anyone have any experience as to why this is good/bad?"
At the moment, the biggest challenger to Matlab is definately Python. The two choices have different strengths and weaknesses. Matlab has had a lot of work done on providing specialised modules to do the heavy lifting for signal processing, simulations, etc. If your work is very heavily oriented towards theory, it's probably the best fit.

Python on the other hand is a general purpose programming language. If you are doing real-world work, Python will greatly simplify the task of reading in data, and getting it into a format that you can do mathematical analysis on. Getting data off a server, for example, or changing the format of data is much simpler in Python than it is in Matlab. The mathematical analysis side of things isn't as developed, and even when the modules exist, the documentation is often lacking.

So really it depends on what kind of work you are trying to do. These days I find Python's maths support good enough that I rarely miss the sorts of things you can find in Matlab, but then I am generally doing real world stuff, interfacing to weird systems, and looking for decent performance. Someone doing more theoretical research may prefer the more flexible mathematical tools available in Matlab.
Heck, count me as "normal". I use the twitter.com site, security holes and all, as what's happening in my Twitter stream is a twice-a-day interest, rather than yet another feed of information on my desktop.

(Outlook and IM all week at work is bad enough, thanks.)