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santecarloni

The Higgs, Boltzmann Brains, and Monkeys Typing Hamlet | The Crux | Discover Magazine - 7 views

blogs.discovermagazine.com/...ains-and-monkeys-typing-hamlet

science space

shared by santecarloni on 01 Nov 12 - No Cached
  • santecarloni on 01 Nov 12
     
    good luck with this....
  • ...3 more comments...
  • Luzi Bergamin on 01 Nov 12
     
    Nice article, actually! It summarizes in "human readable format" why and how too many cosmologists and string theorists just went bozo...
  • pacome delva on 13 Nov 12
     
    really ! this article should go for the ignobels ! http://arxiv.org/abs/0808.3778 I wonder which substance theorists are taking... I will avoid...! but really this is very preoccupating: "complex structures will occasionally emerge from the vacuum as quantum fluctuations, at a small but nonzero rate per unit spacetime volume. An intelligent observer, like a human, could be one such structure." Is this a new alternative to Darwinism...??? a support to creationism ?? How can a physicist can write such non-sense ?
  • pacome delva on 13 Nov 12
     
    and this is published in PRD !!!
  • Luzi Bergamin on 13 Nov 12
     
    In 1996 Sokal hoaxed sociologists with his famous nonsense text on political implications of quantum gravity. Can one play a similar game with "researchers" on Boltzmann brains, multiverses, string landscapes or similar? I doubt, this is just reality satire that can't be topped.
  • LeopoldS on 13 Nov 12
     
    Poor Boltzmann ...
Nicholas Lan

Man builds working homemade hoverbike, doesn't die - 2 views

www.theverge.com/...-homemade-hoverbike-doesnt-die

fun PHY

shared by Nicholas Lan on 02 May 16 - No Cached
Paul N liked it
  • Nicholas Lan on 02 May 16
     
    proper engineering. do this YouTube sensation and inventor Colin Furze is used to making insane things like retractable wolverine claws, working versions of the hidden blade and rope launcher featured in Assassin's Creed games, and even a homemade Iron Man suit. But this time he decided to do something even crazier and build a hoverbike, and surprisingly, he succeeded and didn't die in the process.
  • Paul N on 13 May 16
     
    I'm always amazed when that guy doesn't die
Nicholas Lan

BBC: Horrible noises experiment - 0 views

www.sound101.org/...index.php

science crowdsourcing citizen fun

shared by Nicholas Lan on 03 May 12 - No Cached
  • Nicholas Lan on 03 May 12
     
    part of the bbc's citizen sciene thingy 'so you want to be a scientist. it's like a game show for science experiments if you're not familiar. the bookmark will take you to the online participation part of one of the experiments selected. here's the main page. http://www.bbc.co.uk/radio4/features/sywtbas/ "This experiment is being run by citizen scientist Izzy Thomlinson for BBC Radio 4's So You Want To Be A Scientist?. It aims to find out what you think about unpleasant sounds. Please read the following statement and click Take Part Now! if you agree to participate."
Lionel Jacques

Cubesat to run applications - 0 views

www.kickstarter.com/...ur-arduino-experiment-in-space

technology science space FUN

shared by Lionel Jacques on 15 Jun 12 - No Cached
LeopoldS liked it
  • Lionel Jacques on 15 Jun 12
     
    the ArduSat (Arduino - satellite) will be the first open platform allowing the general public to design and run their own space-based applications, games and experiments, steer the onboard cameras to take pictures on-demand, and even broadcast personalized messages back to Earth.
johannessimon81

Crowdsourced game to study synthetic RNA for nano-machinery - 0 views

arstechnica.com/...eat-computers-in-designing-rna

science

shared by johannessimon81 on 04 Mar 14 - No Cached
  • johannessimon81 on 04 Mar 14
     
    Pretty cool - and pretty addictive to play :-D
Beniamino Abis

Quantum Physics and Game Theory - 1 views

www.bristol.ac.uk/...9593.html

PHY Math GameTheory

shared by Beniamino Abis on 15 Jul 13 - No Cached
  • Beniamino Abis on 15 Jul 13
     
    Players with access to quantum resources can outperform classical ones. This will lead to novel joint strategies, impossible to achieve classically. Moreover, some of these strategies represent equilibrium points, leading to the notion of quantum/no-signalling Nash equilibrium.
Marcus Maertens

Serious gaming meets disruptive innovation - 2 views

www.infopuntveiligheid.nl/Infopuntdocumenten/Serious_gaming_for_behavioural_assessment_and_research_in_case_of_emergency[1].pdf

science

shared by Marcus Maertens on 04 Oct 13 - No Cached
  • Marcus Maertens on 04 Oct 13
     
    Maybe of interest for those into innovative disruption etc? ;)
  • LeopoldS on 05 Oct 13
     
    I could not detect the "disruptive innovation" in the paper
johannessimon81

Emperor LX chair: A way to never have your desk at the wrong height anymore - 6 views

www.geeky-gadgets.com/k-workstation-video-05-06-2013

FUN

shared by johannessimon81 on 21 Jun 13 - No Cached
  • johannessimon81 on 21 Jun 13
     
    Zivile can you order this for me?
  • ...2 more comments...
  • LeopoldS on 23 Jun 13
     
    would you really want to work in one of these?? I certainly wont ...
  • johannessimon81 on 23 Jun 13
     
    work, game, watch movies, eat... - I wonder if a toilet is included though. :-P
  • Ma Ru on 24 Jun 13
     
    I will get one as soon as they put it in a spherical dome like that of Darth Vader's...
  • dejanpetkow on 04 Jul 13
     
    @Johannes: The Japanese version will definitely have a toilet included, of course with health analysis, automatic appointment making with the doctors, life time estimation, diet planning, etc.
Ma Ru

An intellectually challenging game of loop - 3 views

www.bbc.co.uk/...magazine-34015430

science PHY fun pool ellipse

shared by Ma Ru on 22 Aug 15 - No Cached
  • Ma Ru on 22 Aug 15
     
    In case you are looking for inspiration for a new piece of ACT's meeting room furniture... "This is almost an example, not of mathematics but how mathematics changes when it becomes physics"
Juxi Leitner

How I became a Foursquare cyberstalker | Technology | The Guardian - 0 views

www.guardian.co.uk/...foursquare

tech technology INF fun privacy geo location social networks

shared by Juxi Leitner on 23 Jul 10 - Cached
  • Foursquare is now being widely touted as the app which will, after years of anticipation and prediction, mark the beginning of "life as a game" computing. Whatever you do, wherever you go, you will be scoring points, earning "medals", and be in, at the very least, social competition with other users around you.
  • Privacy seems to be very low down their priorities. In theory, if every user knows the risks, this is fine. But they just don't. It's being targeted at 18 to 25-year-olds. Facebook was forced in the end to change its default privacy settings due to public concerns. Foursquare should do the same. Some people are even checking in when they're at home. Think of the implications. It's crazy
  • Recruitment is a form of stalking, I suppose. But I can now see the negative implications of Foursquare in the real world.
  • ...1 more annotation...
  • Ten days ago Foursquare reached the two-million-users landmark, just three months after it had reached the one-million mark. A week earlier, the company received $20m in venture capital from a who's who of Silicon Valley luminaries. It appears the trajectory for Foursquare is only upwards. But as the critical mass of Foursquare users swells and intensifies over the coming months and years, the concerns over privacy are likely to magnify. In June, Webroot, a Denver-based internet security firm, surveyed 1,645 users of "geo-location-ready mobile devices", including 624 in the UK: 29% said they shared their location with people other than their friends; 31% said they accepted a friend request from a stranger; and, yet, 55% still said they were worried about their loss of privacy.
  • Juxi Leitner on 23 Jul 10
     
    anybody here using Foursquare already? Location is supposed to be "the future" (this time)
  • LeopoldS on 24 Jul 10
     
    this is worse than having a mobile ... !
Luís F. Simões

This Will Change Everything: Ideas That Will Shape the Future (The Edge Annual Question... - 3 views

www.edge.org/q09_index.html

edge future science technology

shared by Luís F. Simões on 28 Nov 10 - Cached
LeopoldS liked it
  • WHAT WILL CHANGE EVERYTHING? "What game-changing scientific ideas and developments do you expect to live to see?"
  • That's the question John Brockman, editor of the Web site edge.org, posed to about 160 cutting-edge minds in his 11th annual Edge Question. As in years past, they responded with bold, often thrilling, sometimes chilling, answers.
  • Luís F. Simões on 28 Nov 10
     
    And here's the same thing, but in dead-trees format: http://www.amazon.com/This-Will-Change-Everything-Future/dp/0061899674 Anyone else thinks that the ACT should buy us all a copy as a Christmas present? :)
  • LeopoldS on 29 Nov 10
     
    you are the ACT!!!
Tobias Seidl

NASA Lunar Simulator on iPhone and iPod Touch - 2 views

www.freetech4teachers.com/...ulator-on-iphone-and-ipod.html

shared by Tobias Seidl on 22 Feb 10 - No Cached
  • Tobias Seidl on 22 Feb 10
     
    Can we do something about this?
  • Juxi Leitner on 23 Feb 10
     
    they also have this application for Mac and probably also PC : http://www.apple.com/downloads/macosx/games/simulation_and_sports/lunarroversimulator.html
Francesco Biscani

STLport: An Interview with A. Stepanov - 2 views

www.stlport.org/...StepanovUSA.html

computer science

shared by Francesco Biscani on 23 Mar 10 - Cached
  • Generic programming is a programming method that is based in finding the most abstract representations of efficient algorithms.
  • I spent several months programming in Java.
  • for the first time in my life programming in a new language did not bring me new insights
  • ...2 more annotations...
  • it has no intellectual value whatsoever
  • Java is clearly an example of a money oriented programming (MOP).
  • Francesco Biscani on 23 Mar 10
     
    One of the authors of the STL (C++'s Standard Template Library) explains generic programming and slams Java.
  • ...6 more comments...
  • Ma Ru on 24 Mar 10
     
    "Java is clearly an example of a money oriented programming (MOP)." Exactly. And for the industry it's the money that matters. Whatever mathematicians think about it.
  • Joris _ on 24 Mar 10
     
    It is actually a good thing that it is "MOP" (even though I do not agree with this term): that is what makes it inter-operable, light and easy to learn. There is no point in writing fancy codes, if it does not bring anything to the end-user, but only for geeks to discuss incomprehensible things in forums. Anyway, I am pretty sure we can find a Java guy slamming C++ ;)
  • Francesco Biscani on 24 Mar 10
     
    Personally, I never understood what the point of Java is, given that: 1) I do not know of any developer (maybe Marek?) that uses it for intellectual pleasure/curiosity/fun whatever, given the possibility of choice - this to me speaks loudly on the objective qualities of the language more than any industrial-corporate marketing bullshit (for the record, I argue that Python is more interoperable, lighter and easier to learn than Java - which is why, e.g., Google is using it heavily); 2) I have used a software developed in Java maybe a total of 5 times on any computer/laptop I owned over 15 years. I cannot name of one single Java project that I find necessary or even useful; for my usage of computers, Java could disappear overnight without even noticing. Then of course one can argue as much as one wants about the "industry choosing Java", to which I would counterargue with examples of industry doing stupid things and making absurd choices. But I suppose it would be a kind of pointless discussion, so I'll just stop here :)
  • Joris _ on 24 Mar 10
     
    "At Google, python is one of the 3 "official languages" alongside with C++ and Java". Java runs everywhere (the byte code itself) that is I think the only reason it became famous. Python, I guess, is more heavy if it were to run on your web browser! I think every language has its pros and cons, but I agree Java is not the answer to everything... Java is used in MATLAB, some web applications, mobile phones apps, ... I would be a bit in trouble if it were to disappear today :(
  • Dario Izzo on 24 Mar 10
     
    I personally do not believe in interoperability :)
  • Ma Ru on 24 Mar 10
     
    Well, I bet you'd notice an overnight disappearance of java, because half of the internet would vanish... J2EE technologies are just omnipresent there... I'd rather not even *think* about developing a web application/webservice/web-whatever in standard C++... is it actually possible?? Perhaps with some weird Microsoft solutions... I bet your bank online services are written in Java. Certainly not in PHP+MySQL :) Industry has chosen Java not because of industrial-corporate marketing bullshit, but because of economics... it enables you develop robustly, reliably, error-prone, modular, well integrated etc... software. And the costs? Well, using java technologies you can set-up enterprise-quality web application servers, get a fully featured development environment (which is better than ANY C/C++/whatever development environment I've EVER seen) at the cost of exactly 0 (zero!) USD/GBP/EUR... Since many years now, the central issue in software development is not implementing algorithms, it's building applications. And that's where Java outperforms many other technologies. The final remark, because I may be mistakenly taken for an apostle of Java or something... I love the idea of generic programming, C++ is my favourite programming language (and I used to read Stroustroup before sleep), at leisure time I write programs in Python... But if I were to start a software development company, then, apart from some very niche applications like computer games, it most probably would use Java as main technology.
  • Francesco Biscani on 24 Mar 10
     
    "I'd rather not even *think* about developing a web application/webservice/web-whatever in standard C++... is it actually possible?? Perhaps with some weird Microsoft solutions... I bet your bank online services are written in Java. Certainly not in PHP+MySQL :)" Doing in C++ would be awesomely crazy, I agree :) But as I see it there are lots of huge websites that operate on PHP, see for instance Facebook. For the banks and the enterprise market, as a general rule I tend to take with a grain of salt whatever spin comes out from them; in the end behind every corporate IT decision there is a little smurf just trying to survive and have the back covered :) As they used to say in the old times, "No one ever got fired for buying IBM". "Industry has chosen Java not because of industrial-corporate marketing bullshit, but because of economics... it enables you develop robustly, reliably, error-prone, modular, well integrated etc... software. And the costs? Well, using java technologies you can set-up enterprise-quality web application servers, get a fully featured development environment (which is better than ANY C/C++/whatever development environment I've EVER seen) at the cost of exactly 0 (zero!) USD/GBP/EUR... Since many years now, the central issue in software development is not implementing algorithms, it's building applications. And that's where Java outperforms many other technologies." Apart from the IDE considerations (on which I cannot comment, since I'm not a IDE user myself), I do not see how Java beats the competition in this regard (again, Python and the huge software ecosystem surrounding it). My impression is that Java's success is mostly due to Sun pushing it like there is no tomorrow and bundling it with their hardware business.
  • Joris _ on 24 Mar 10
     
    OK, I think there is a bit of everything, wrong and right, but you have to acknowledge that Python is not always the simplest. For info, Facebook uses Java (if you upload picture for instance), and PHP is very limited. So definitely, in company, engineers like you and me select the language, it is not a marketing or political thing. And in the case of fb, they come up with the conclusion that PHP, and Java don't do everything but complement each other. As you say Python as many things around, but it might be too much for simple applications. Otherwise, I would seriously be interested by a study of how to implement a Python-like system on-board spacecrafts and what are the advantages over mixing C, Ada and Java.
pacome delva

Toward Liquid-Cooled Computers - 0 views

news.sciencemag.org/...d-liquid-cooled-computers.html

computer liquid-cooling

shared by pacome delva on 30 Mar 10 - Cached
  • pacome delva on 30 Mar 10
     
    only for the nerds who took the test and answered that they built their computer themselves...
  • ...1 more comment...
  • Nicholas Lan on 30 Mar 10
     
    i should point out i only got 79 on the nerd test but... http://www.youtube.com/watch?v=dUEpFef6caQ
  • pacome delva on 30 Mar 10
     
    i was about to say these guys are 300% nerds but i just saw they use windows...! fake nerds :) Anyway 5.15Ghz's not bad
  • Nicholas Lan on 30 Mar 10
     
    oddly most overclocking products and software seem to be aimed at windows as far as i can tell. I'd guess because people usually only bother to do it for gaming?
Luzi Bergamin

[0810.3179] The Enlightened Game of Life - 3 views

arxiv.org/0810.3179

phy AI bio self-organization swarm

shared by Luzi Bergamin on 29 Mar 10 - Cached
  • Luzi Bergamin on 29 Mar 10
     
    Revised version of a 2008 paper. Pretty crazy title and perhaps crazy content...
  • pacome delva on 29 Mar 10
     
    the abstract sounds like a random generated paper...
Luís F. Simões

20 predictions for the next 25 years | guardian.co.uk - 5 views

www.guardian.co.uk/...25-predictions-25-years

future politics economy BIO health energy advertising neuroscience BMI physics PHY dark_matter planck food biotechnology nanotechnology game internet privacy environment biodiversity transport religion entertainment population climate_change crisis

shared by Luís F. Simões on 06 Jan 11 - No Cached
LeopoldS liked it
  • Giusi Schiavone on 06 Jan 11
     
    the 10th is interesting, connected with our crowdsourcing experiments with the spacegame
Luís F. Simões

Bitcoin P2P Currency: The Most Dangerous Project We've Ever Seen - 10 views

launch.is/...dangerous-project-weve-ev.html

bitcoin p2p money disruptive

shared by Luís F. Simões on 16 May 11 - No Cached
LeopoldS liked it
  • After month of research and discovery, we’ve learned the following:1. Bitcoin is a technologically sound project.2. Bitcoin is unstoppable without end-user prosecution.3. Bitcoin is the most dangerous open-source project ever created.4. Bitcoin may be the most dangerous technological project since the internet itself.5. Bitcoin is a political statement by technotarians (technological libertarians).*6. Bitcoins will change the world unless governments ban them with harsh penalties.
  • The benefits of a currency like this:a) Your coins can’t be frozen (like a Paypal account can be)b) Your coins can’t be trackedc) Your coins can’t be taxedd) Transaction costs are extremely low (sorry credit card companies)
  • An individual with the name -- or perhaps handle -- of Satoshi Nakamoto first wrote about bitcoins in a paper called Bitcoin: A Peer-to-Peer Electronic Cash System.
  • ...1 more annotation...
  • * We made this term up to describe the “good people” of the internet who believe in the fundamental rights of individuals to be free, have free speech, fight hypocrisy and stand behind logic, technology and science over religion, political structure and tradition. These are the people who build and support things like Wikileaks, Anonymous, Linux and Wikipedia. They think that people can, and should, govern themselves. They are against external forms of control such as DRM, laws that are bought and sold by lobbyists, and religions like Scientology. They include splinter groups that enforce these ideals in the form of hacktivism, such as the takedown of the Sony Playstation Network after Sony tried to prosecute a hacker for unlocking its console.
  • Ma Ru on 17 May 11
     
    Sounds good!
  • ...9 more comments...
  • pacome delva on 18 May 11
     
    wow it's frigthening! it's the dream of every anarchist, every drug, arm, human dealer! the world made as a global fiscal paradise... the idea is clever however it will not replace real money because 1 - no one will build a fortune on bitcoin if a technological breakthrough can ruin them 2 - government never allowed parallel money to flourish on their territory, so it will be almost impossible to change bitcoin against euros or dollars
  • Nicholas Lan on 18 May 11
     
    interesting stuff anyone read cryptonomicon by neal stephenson? similar theme.
  • Luís F. Simões on 18 May 11
     
    :) yes. One of the comments on reddit was precisely drawing the parallels with Neal Stephenson's Snowcrash / Diamond Age / Cryptonomicon. Interesting stuff indeed. It has a lot of potential for misuse, but also opens up new possibilities. We've discussed recently how emerging technologies will drive social change. Whether it's the likes of NSA / CIA who will benefit the most from the Twitters, Facebooks and so on, by gaining greater power for control, or whether individuals are being empowered to at least an identical degree. We saw last year VISA / PayPal censoring WikiLeaks... Well, here's a way for any individual to support such an organization, in a fully anonymous and uncontrollable way...
  • tvinko on 18 May 11
     
    One of my colleagues has made a nice, short write-up about BitCoin: http://www.pds.ewi.tudelft.nl/~victor/bitcoin.html
  • LeopoldS on 18 May 11
     
    very nice analysis indeed - thanks Tamas for sharing it!
  • pacome delva on 20 May 11
     
    mmm I'm not an expert but it seemed to me that, even if these criticisms are true, there is one fundamental difference between the money you exchange on internet via your bank, and bitcoins. The first one is virtual money and the second one aims at being real, physical, money, even if digital, in the same way as banknotes, coins, or gold.
  • nikolas smyrlakis on 20 May 11
     
    An algorithm wanna-be central bank issuing untraceable tax free money between internet users? not more likely than the end of the world supposed to take place tomorrow, in my opinion. Algorithms don't usually assault women though !:P
  • LeopoldS on 21 May 11
     
    well, most money is anyway just virtual and only based on expectations and trust ... (see e.g. http://en.wikipedia.org/wiki/Money_supply) and thus if people trust that this "money" has some value in the sense that they can get something of value to them in exchange, then not much more is needed it seems to me ...
  • pacome delva on 23 May 11
     
    @Leopold: ok let's use the rigth words then. Bitcoin aim at being a currency ("physical objects generally accepted as a medium of exchange" from wikipedia), different than the "demand deposit". In the article proposed by Tamas he compares what cannot be compared (currencies, demand deposits and their mean of exchange). The interesting question is wether one can create a digital currency which is too difficult to counterfeit. As far as I know, there is no existing digital currency except this bitcoins (and maybe the currencies from games as second life and others, but which are of limited use in real world).
  • nikolas smyrlakis on 23 May 11
     
    well of course money is trust, and even more loans and credit and even more stock and bond markets. It all represents trust and expectations. However since the first banks 500 years ago and the first loans etc. etc., and as well the fact that bonds and currencies bring down whole countries (Greece lately), and are mainly controlled by large financial centres and (central) banks, banks have always been on the winning side no matter what and that isn't going to change easily. So if you are talking about these new currencies it would be a new era, not just a new currency. So should Greece convert its debt to bitcoins ;P ?
  • pacome delva on 23 May 11
     
    well, from 1936 to 1993 the central bank of france was owned by the state and was supposed to serve the general interest...
LeopoldS

Cheater-resistance is not futile : Article : Nature - 2 views

www.nature.com/...nature08472.html

social game theory

shared by LeopoldS on 21 Oct 09 - Cached
  • LeopoldS on 21 Oct 09
     
    Cheater-resistance is not futile - what lessons for the team??
Joris _

DailyTech - NASA Releases iPhone App - 2 views

www.dailytech.com/...article16613.htm

shared by Joris _ on 26 Oct 09 - Cached
  • The U.S. space agency has worked more diligently the past few years to better interact with the public.
  • Joris _ on 26 Oct 09
     
    what about ESA?
  • ...3 more comments...
  • LeopoldS on 26 Oct 09
     
    have already sent it as a suggestion to our com department ... btw: installed the app and its really well done!!
  • Francesco Biscani on 27 Oct 09
     
    God no, why give more taxpayers' money to the shittiest, greediest and most closed company out there??
  • LeopoldS on 27 Oct 09
     
    why "more" ... do they get any taxpayers money? answer to your question: because its the most efficient (and coolest) platform to convey your message to a larger audience with relatively little effort ... btw: just ordered a time capsule for home :-)
  • Francesco Biscani on 27 Oct 09
     
    I said "more" because we already gave them money in the form of Sophia and Atlas :) If we want to be consistent in promoting "open" efforts (open innovation, open source, open governance, etc.) we should avoid Apple like the plague. They are far far worse than Microsoft in terms of closedness, secrecy, shady market practices and vendor lock-in. Just google a bit and you will find lots of example of their behaviour.
  • nikolas smyrlakis on 28 Oct 09
     
    cant' really argue about the Apple practices, although I ve read some things. I think the NASA app is more like a news feed and nothing more. But that online crowdsourcing game we had in mind, now that would be cool in a mobile version - new mobiles also have accelerometers nowadays
LeopoldS

Traders Profit With Computers Set at High Speed - NYTimes.com - 0 views

www.nytimes.com/...24trading.html

INF market mathematics algorithms game

shared by LeopoldS on 26 Jul 09 - Cached
pacome delva liked it
  • LeopoldS on 26 Jul 09
     
    following Francesco's post from Slatdot, this is now the original article from the NYT ... enjoy
  • pacome delva on 28 Jul 09
     
    completely crazy these high speed transactions... they should rather put their efforts in science...!
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