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Luís F. Simões

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

  • 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.
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  • * 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.
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    Sounds good!
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    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
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    interesting stuff anyone read cryptonomicon by neal stephenson? similar theme.
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    :) 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...
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    One of my colleagues has made a nice, short write-up about BitCoin: http://www.pds.ewi.tudelft.nl/~victor/bitcoin.html
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    very nice analysis indeed - thanks Tamas for sharing it!
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    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.
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    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
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    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 ...
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    @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).
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    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 ?
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    well, from 1936 to 1993 the central bank of france was owned by the state and was supposed to serve the general interest...
LeopoldS

Human Brain Project - Goals - 3 views

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    can we contribute in any way to this - or alternatively benefit from this research already now?
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    Watch out!! I read quite a lot about the contribution by EPFL (apparently coordinator) and their boss, Henry Markram. From what I read, this is not really science, but mainly a PR campaign. The main motor in this project is attracting a lot of money and the main aim to do so is promising a lot of stuff that nobody will be able to deliver. Accordingly, Markram is a very controversial person in the business...
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    Oups, sorry! Of course I meant, "the main MEAN to do so...", but the aim justifies the means. Well, that's exactly Markram's motto, I guess.
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    interesting info indeed ... I though still think that the overall goal of this project, even if too ambitious for the time being is interesting, no?
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    It's not about interesting or not, it's about serious science or not. Also the goal of a fortune-teller is interesting, isn't it? Any description of a good science project is too ambitious, that's normal and not necessarily PR. But personally I think there is a certain limit where a science project becomes a bad SciFi thriller. This one here is a dime novel, I think. But the too ambitious is not the only point I became very doubtful. I have seen quite a number of scientists and engineers from different fields; what I read about the character and attitude of this guy just hints towards the worst case scenario. It's presumptive evidence, I know...
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    that bad! wow ....
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    You know me, I'm the bullshitter... You remember Kurzweil and his Singularity-nonsense. In a way this was very similar. Though I think Kurzweil and Markram are very different characters (The Singularity essentially is a religion, I can't see anything like that in Markram's claims) they seem to share an important point: they are both complete nerds that apparently never spent a single thought on the limits of science (in its English meaning) in general nor of their particular research field in specific. One may find this excusable, I don't. But even then, they make claims that the nerdest nerd must know that they are completely unrealistic and thus I just have to assume that they claim their nonsense on purpose. The reason in Markram's case clearly seems to be money. But all this does not mean that these nerds cannot produce valuable results.
jmlloren

The British Wildlife Photography Awards 2011 - Telegraph - 2 views

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    Excellent photo gallery.
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    Thanks for sharing! Most pics are very very nice, but a few are actually pretty mediocre I must say... "Wildlife" photography is always a rather tricky topic, as demonstrated by this famous story: http://news.bbc.co.uk/1/hi/8470962.stm
LeopoldS

Tilera Corporation - 2 views

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    who wants 100 cores ... future of PAGMO?
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    Well nVidia provides 10.000 "cores" in a single rack on thei Teslas...
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    remember that you were recommending its purchase already some time ago ... still strong reasons to do so?
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    The problem with this flurry of activity today regarding multicore architectures is that it is really unclear which one will be the winner in the long run. Never understimate the power of inertia, especially in the software industry (after all, people are still programming in COBOL and Fortran today). For instance, NVIDIA gives you the Teslas with 10000 cores, but then you have to rewrite extensive parts of your code in order to take advantage of this. Is this an investment worth undertaking? Difficult to say, it would certainly be if the whole software world moves into that direction (which is not happening - yet?). But then you have other approaches coming out, suche as the Cell processor by IBM (the one on the PS3) which has really impressive floating point performance and, of course, a completely different programming model. The nice thing about this Tilera processor seems to be that it is a general-purpose processor, which may not require extensive re-engineering of existing code (but I'm really hypothesizing, since the thechincal details are not very abundant on their website).
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    Moreover PaGMO computation model is more towards systems with distributed memory, and not with shared memory (i.e. multi-core). In the latter, at certain point the memory access becomes the bottleneck.
Juxi Leitner

Better world: Take Friday off… forever - 15 September 2009 - New Scientist - 0 views

  • According to Facer, it was the crash of 1929 that led to the five-day week. "Before that it was common to work six-day weeks with 12 to 14-hour days. When the Great Depression hit, the idea was to share work around to get more people into employment." During the next big financial crisis in the 1970s, there was much talk of moving to a four-day week, but for a variety of reasons that didn't pan out. "Things are different now," says Facer. "I wouldn't be surprised if we could get 50 per cent or more of the workforce working four-day weeks in the next few years." Next up: the three-day week.
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    As ACT is tasked to investigate innovative working methods... DO IT!!! :)
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    but then we also have to ask who is willing to work on saturdays one day more for an extra 20% ...
Francesco Biscani

Google Wave Preview - 2 views

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    Looks really cool! And it's open source :)
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    Don't know if you've noticed, but the current version is becoming more and more usable... did you try it already in your collaborative work?
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    We've used it a bit with Juxi and Leopold for the work on the new issue of acta futura, and I think it is quite nice. The problem right now is that only a few people in the team have an account (and I have exhausted my invitations). Maybe you have one or two you are willing to share? :)
Tobias Seidl

Host Your Own Facebook With Opera Unite - Webmonkey - 0 views

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    The Web Developer's Resource
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    Great idea! Isn't it at the opposite of the web 2.0, where machine tends to be only clients and all the data centralized in big servers? I like more this approach of each individuals dealing with their own data, you have more control on what you want to share or not!
ESA ACT

Teleportation of massive particles without shared entanglement - 0 views

shared by ESA ACT on 24 Apr 09 - Cached
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    classical teleportation, sounds pretty interesting.
ESA ACT

Build It. Share It. Profit. Can Open Source Hardware Work? - 0 views

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    open source hardware?why not
ESA ACT

Mygazines.com - upload. share. archive. - 0 views

shared by ESA ACT on 24 Apr 09 - Cached
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    read most of magazines for free online
ESA ACT

Web of Fate | Share your future - 0 views

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    A social experiment that harnesses the collective intelligence of the web to visualize and uncover hidden relationships among future events.
nikolas smyrlakis

cool site - 0 views

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    no registration, you just send an email to post@posterous.com and automatically creates a blog with your link, check my test one e.g. http://nikolis1.posterous.com/ Read more: "Posterous - The place to post everything. Just email us. Dead simple blog by email." - http://posterous.com/#ixzz0EYUFIaWX&A
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    bullshit
ESA ACT

Global Trends 2025: A Transformed World (33MB) - 0 views

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    Interesting not for the US securtiy point of view but some forecasting on technologies and politics of the future
ESA ACT

Dropbox - Home - Secure backup, sync and sharing made easy. - 0 views

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    looks like a platform independent svn but with nice graphical interface? useful for us? -LS
ESA ACT

Twine - Organize, Share, Discover Information Around Your Interests | Twine - 0 views

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    [MR] Semantic bookmarking system. Kevin, maybe You could have a look if it's worth trying?
pacome delva

Ants Take a Cue From Facebook - ScienceNOW - 2 views

  • This pattern of interactions matches how humans share information on social networking sites like Facebook, says the study's lead author, biologist Noa Pinter-Wollman. Most Facebook users are connected to a relatively small number of friends. A handful of users, however, have thousands of friends and act as information hubs.
  • computer simulations of the ants' social networks showed that information flows fastest when a small number of individuals act as information hubs. Fast-flowing information allows ant colonies to respond faster to threats such as predators and weather hazards, Pinter-Wollman says.
  • These well-connected ants might have an advantage in responding to threats, but they are also more vulnerable to infectious diseases, which can spread quickly through the colony.
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    for Tobi! nice analogy between the threat and the fast responding in human network
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    Yet another example of "because scientifically accurate title would sound sooo boring".
Juxi Leitner

3D Printed CubeSat - Fabbaloo Blog - Fabbaloo - 1 views

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    very nice!!! thanks for sharing ...
Thijs Versloot

Getting rid of corporate email - 1 views

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    Now something on working methods... More than anything else Box does, Notes seems to embody the philosophy that in business, you never write for the sake of writing. You write to share with people. After all, memos were never meant to be ends in themselves-just the means.
Luís F. Simões

Nature's special issue on Interdisciplinarity - 2 views

  • Nature’s special issue probes how scientists and social scientists are coming together to solve the grand challenges of energy, food, water, climate and health. This special scrutinizes the data on interdisciplinary work and looks at its history, meaning and funding. A case study and a reappraisal of the Victorian explorer Richard Francis Burton explore the rewards of breaking down boundaries. Meanwhile, a sustainability institute shares its principles for researchers who work across disciplines. Thus inspired, we invite readers to test their polymathy in our lighthearted quiz.
Marcus Maertens

Blockchain or Bullshit? - Hacker Noon - 2 views

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    A quick checklist to detect what sort of papers about blockchain are bullshit.
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    The B report shares the same conclusions and angle ...
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