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jcunha

Science Fiction Special on Nature - 2 views

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    Some interesting reads 150 years after H. G. Wells and 50 years after Star Trek.
Thijs Versloot

Acoustic tractor beam - 1 views

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    Some cheating involved
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    Reminds me a bit of optical tweezers - although the principle seems somewhat different. Could the optical tweezers principle be applied through sound? http://en.wikipedia.org/wiki/Optical_tweezers
Luzi Bergamin

FuturICT: FuturIcT - 2 views

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    FuturICT, another of these nonsense-flagships. Marek: after having read about this, I understand that BlueBrain is not the only flagship proposal that sucks. Long live the dream of cybernetics, or, apparently people never learn anything...
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    The others: http://www.ga-project.eu/ - "Guardian Angels for a Smarter Planet" http://www.humanbrainproject.eu/ http://www.itfom.eu/ http://www.robotcompanions.eu/ One doesn't have a website (graphene). The message from their presentation was more or less: everyone else does intensive research in this and the Europe should not stay behind. Full list of flagship proposals including short descriptions here: http://www.fet11.eu/about/fet-flagships
Luzi Bergamin

Prof. Markrams Hirnmaschine (Startseite, NZZ Online) - 2 views

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    A critical view on Prof. Markram's Blue Brain project (in German).
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    A critical view on Prof. Markram's Blue Brain project (in German).
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    so critical that the comment needed to be posted twice :-) ?
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    Yes, I know; I still don't know how to deal with this f.... Diigo Toolbar! Shame on me!!!
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    Would be nice to read something about the modelling, but it appears that there is nothing published in detail. Following the article, the main approach is to model each(!) neuron taking into account the spatial structure of the neurons positions. Once achieved they expect intelligent behaviour. And they need a (type of) supercomputer which does not exist yet.
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    As far as I know it's sort of like "Let's construct an enormous dynamical system and see what happens"... i.e. a waste of taxpayer's money... Able to heal Alzheimer... Yeah... Actually I was on the conference the author is mentioning (FET 2011) and I have seen the presentations of all 6 flagship proposals. Following that I had a discussion with one of my colleagues about the existence of limits of the amount of bullshit politicians are willing to buy from scientists. Will there be a point at which politicians, despite their total ignorance, will realise that scientists simply don't deliver anything they promise? How long will we (scientists) be stuck in the viscous circle of have-to-promise-more-than-predecessors in order to get money? Will we face a situation when we'll be forced to revert to promises which are realistic? To be honest none of the 6 presentations convinced me of their scientific merit (apart from the one on graphene where I have absolutely no expertise to tell). Apparently a huge amount of money is about to be wasted.
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    It's not just "Let's construct an enormous dynamical system and see what happens", it's worse! Also the simulation of the cosmological evolution is/was a little bit of this type, still the results are very interesting and useful. Why? Neither the whole cosmos nor the human brain at the level of single neurons can be modelled on a computer, that would last aeons on a "yet-to-be-invented-extra-super-computer". Thus one has to make assumptions and simplifications. In cosmology we have working theories of gravitation, thermodynamics, electrodynamics etc. at hand; starting from these theories we can make reasonable assumptions and (more or less) justified simplifications. The result is valuable since it provides insight into a complex system under given, explicit and understood assumptions. Nothing similar seems to exist in neuroscience. There is no theory of the human brain and apparently nobody has the slightest idea which simplifications can be made without harm. Of course, Mr. Markram remains completely unaffected of ''details'' like this. Finally, Marek, money is not wasted, we ''build networks of excellence'' and ''select the brightest of the brightest'' to make them study and work at our ''elite institutions'' :-). I lively remember the stage of one of these "bestofthebest" from Ivy League at the ACT...
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.
Luzi Bergamin

Airbus Concept Cabin - 3 views

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    Another futuristic view on flying by Airbus. To make it more sexy it also includes some biomimetics...
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    "The cabin electrical system can be compared to the human brain, with a network of intelligence pulsating through the cabin.". Oh, come on, ...
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