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Ma Ru

Body from scratch - 3 views

shared by Ma Ru on 24 Feb 10 - Cached
pacome delva liked it
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    Crazy, crazy, craaaazyyyyy!!!
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    the "engineered ear" is awesome
nikolas smyrlakis

How siestas help memory: Sleepy heads | The Economist - 3 views

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    How much more proof do we need.... and of course "It may be that those who have a tendency to wake up groggy are choosing not to siesta in the first place. Perhaps, though, as in so many things, it is practice that makes perfect."
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    Come on guys, be innovative and make at least an Ariadna...
Luzi Bergamin

Compact metallo-dielectric optical antenna for ultra directional and enhanced radiative... - 3 views

shared by Luzi Bergamin on 26 Mar 10 - Cached
LeopoldS liked it
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    A new paper related to our old Ariadna on microstructured radiators.
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    This is actually a very nice paper in my view .... José, have a look at it!! "This study demonstrates that appropriately designed metallo-dielectric systems can serve as compact, highly directive and ultra radiative antennas. Let us emphasize that contrary to fully metallic antennas, the high directivity of this antenna does not result from a plasmonic effect, and that it is efficient over a wide range of frequencies. In consequence, the high directivity does compromise the high radiative decay rate enhancement offered by two coupled metallic particles and it is possible to exploit whispering gallery modes to further enhance the radiative decay rates. This work paves the way towards the design of compact, simple and highly efficient optical antennas."
Joris _

Hewlett-Packard Unveils Real-World Memristor, Chip of the Future | Popular Science - 3 views

  • they allow the same device to serve as the processor and the memory
  • a memristor system would work far faster, and with far less energy, than a traditional computer.
  • Second, memristors can be much smaller than transistors.
  • ...1 more annotation...
  • Lastly, unlike transistors, which only work linearly, memristors can form three-dimensional networks
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    wow, looks pretty cool! I wonder what is "a ridiculous amount of memory on a chip"...? giga, tera, peta, exa, ... ?
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    Looks cool indeed, but as with all those technology "breakthroughs" my enthusiasm will be limited until this actually makes it to my laptop...
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    what a phrase: "this advance could increase the power and memory of computers to nearly unimaginable proportions within only a couple of years." ... sure ....
pacome delva

Making A Decision? Take Your Time - 3 views

  • Recent research out of MaastrichtUniversity School of Business and Economics shows that indeed delaying a choice, in general, can help us make better decisions. 
pacome delva

YouTube - The Life InSide a Cell - 3 views

shared by pacome delva on 29 Apr 10 - Cached
LeopoldS liked it
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    very nice movie !
Nicholas Lan

Diaspora: Personally Controlled, Do-It-All, Distributed Open-Source Social Network - 3 views

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    but so far only an announcement ... they want to be ready in autumn only ... :-(
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    yes, but already 172000 dollars of donation (!!) and plenty of guys offered their service for the coding ! this is something a lot of people is waiting for !
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    Anything that can has a chance to save us from the Facebook abomination is welcome...
Juxi Leitner

Open Source Satellite Initiative | machine project - 3 views

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    All the satellite-related systems (except for the rocket to launch it) are DIY programs -- designed so that regular people may also have the chance of developing and eventually launching their own.
  • ...2 more comments...
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    The book is actually funny to read ... but this is not serious! Is it ?
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    I was saying that mainly because of some flaws - the piggy-pack installation, no dedicated stage, the limited control, ... It is so far very funny, but once he can fill all the gaps, it should be an excellent initiative - although careful about the debris if anyone has its own ;p
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    his quote: "when art becomes practical, we call it technology; when technology becomes useless, we call it art" ... this is probably the later one ....
Juxi Leitner

YouTube - The latest version of the LittleDog Robot - 3 views

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    whoa!!!
Francesco Biscani

Vuvuzela Ariadnet - 7 views

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    The only proper way to browse Ariadnet.
LeopoldS

Technology Review: TR10 - 3 views

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    what would be in your best 10 list?
Dario Izzo

Open Source Aerospace Project - 3 views

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    similar idea to ours.... but implemented
Juxi Leitner

TED Talk: The roots of plant intelligence [video] - Holy Kaw! - 3 views

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    even being so used to italians that accent is hilarious
  • ...1 more comment...
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    this video is fantastic!! reminds me a lot of a discussion we had in the team some years ago on the communication of fungus ....
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    how comes that they did not apply to our Ariadna?
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    maybe we should have a second look at multiple roots as networks
nikolas smyrlakis

Tiny brained bees solve a complex mathematical problem - 3 views

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    nice indeed!
santecarloni

Space-time cloak could hide events : Nature News - 3 views

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    I think they are taking it a bit too far....
  • ...1 more comment...
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    I'm a little bit surprised as well about the crude story of the burglar, pure nonsense, of course! But the paper is deadly serious, Alberto and Paul are my best collaborators in metamaterials and optics, they are not this type of TV-show scientists as Leonhardt etc. But as Alberto told me: just put the name "cloak" in the title and you're in all the news. It's not science, it's kindergarden :-(.
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    is my memory wrong or isn't this what you have already mentioned as theoretically possible a few years back when discussing this, Luzi?
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    Very well possible that I mentioned this. In fact I was one of the first who took spacetime transformations in transformation optics seriously. But first, my name is not Leonhardt and I don't work at Imperial, that's why nobody cites me and second I most probably found the idea too stupid to be published. You see the two reasons why I'm not successful in science...
Luís F. Simões

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

  • 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.
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    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? :)
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    you are the ACT!!!
LeopoldS

Meet The Man Who Paid A Record $335,000 For Virtual Property - Oliver Chiang - SelectSt... - 7 views

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    does he also have to pay property tax?
  • ...4 more comments...
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    "He says he made the purchase partly because he wants to be able to spend more time in the virtual world. Before, he was averaging 10 to 20 hours per week. He wants to be able to spend about 40 to 60 hours a week now, basically making running the virtual asteroid a full-time job. (He'll also be cutting back on the time he spends developing software in real life.)"
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    From what I remember when I visited the developer/producer company HQ, he wouldn't have to pay any taxes. If he has a virtual business he might have to pay them a license fee. If you want to start a virtual bank, you would need to buy a banking license. The money thing is quite regulated in this enviroment, so probably that's why property prices can be quite high.
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    Remember the study but have completely zapped that this was with this company ... GSP rules :-)
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    so how does that state get his money from this type of economy? where is the VAT in there?
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    Last time I checked the "state" was still loosing money. But their main income is the sale of resources. Mostly new land, but I believe at some point they wanted to sell their initial planet too.
Ma Ru

Sun For Everyun - 3 views

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    Nice initiative, isn't it?
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    some citizen science added to this would make it even better ... as it is it's rather, boh ...
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    Well, true - making data public is one thing, and making others to work through them for you is another... I love the new term "citizen science" though (and an explanation on the Wikipedia page why they had to invent a new one because "crowdsourcing" is soooooo - politically - wrong).
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