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SETI, Citrus Division - 1 views

www.newscientist.com/...cted-at-kinetica-art-fair.html SETI fun
shared by Luís F. Simões on 07 Feb 11 - No Cached
  • A nice contrast to these high-tech installations, Adrian Lee's Search for Extra-Terrestrial Intelligence (SETI) Citrus Division (below), sees 65 lemons trying to communicate with aliens. Using their own juices, these lemon batteries power a small motor - which turns a disc into which is punched the Morse code for "We are here". As the disc rotates, a class 2 laser - also powered by the lemons - shines through the holes and the encoded message is then directed by a small mirror up into space...or in this case, onto the ceiling of the Ambica P3 venue. Amusing, simple and sophisticated all at once, the Citrus Division mixes old and new science and technology in just the right measure.
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Peer review: Trial by Twitter : Nature News - 1 views

www.nature.com/...469286a.html science publications open science twitter web2.0 Impact_factor
shared by Luís F. Simões on 31 Jan 11 - No Cached
  • Blogs and tweets are ripping papers apart within days of publication, leaving researchers unsure how to react.
  • Luís F. Simões on 31 Jan 11
     
    includes some discussion on the aftermath of NASA's arsenic paper
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coming back to the Moon - 2 views

www.googlelunarxprize.org/...about-the-prize
shared by Giusi Schiavone on 28 Feb 11 - Cached
  • Giusi Schiavone on 28 Feb 11
     
    The $30 million Google Lunar X PRIZE will be awarded to the first privately funded teams to build robots that successfully land on the lunar surface, explore the Moon by moving at least 500 meters (~1/3 of a mile), and return high definition video and imagery. The Google Lunar X PRIZE expires whenever all prizes are claimed, or at the end of 2015. As of midnight on December 31st, 2010, the team registration for the Google Lunar X PRIZE is closed. No additional applicants will be accepted to join the competition. ...too late
  • LeopoldS on 02 Mar 11
     
    please see the act report on this from a few years ago - its on the wiki - should we maybe make an update analysis? any volunteers? Giusi?
  • Giusi Schiavone on 02 Mar 11
     
    I'll have a look
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how-the-atom-bomb-gave-birth-to-the-internet - 1 views

arstechnica.com/...gave-birth-to-the-internet.ars fun
shared by Nicholas Lan on 25 Feb 11 - No Cached
  • Nicholas Lan on 25 Feb 11
     
    nice book extract on the influence of cold war strategy on the development of the internet, RAND corporation etc.
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Ample Dark Matter Ignites Starburst Galaxies | Wired Science | Wired.com - 1 views

www.wired.com/...dark-matter-starbursts PHY space science
shared by LeopoldS on 17 Feb 11 - No Cached
  • LeopoldS on 17 Feb 11
     
    true?
  • Luzi Bergamin on 19 Feb 11
     
    I think what these studies show (assuming that data and analysis are correct) is the fact that there is something fundamentally wrong about all this dark matter, dark energy dark whatever stuff. From this point of view I would say: nice result, go ahead!!
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Betting on Green - 5 views

www.economist.com/18304172 technology economics innovation
shared by Nicholas Lan on 16 Mar 11 - No Cached
  • Nicholas Lan on 16 Mar 11
     
    breakthroughs vs. accelerated deployment in climate change mitigation technologies.
  • ...2 more comments...
  • LeopoldS on 17 Mar 11
     
    interesting guy indeed ... "Forget today's green technologies like electric cars, wind turbines, solar cells and smart grids, in other words. None meets what Mr Khosla calls the "Chindia price"-the price at which people in China and India will buy them without a subsidy. "Everything's a toy until it reaches that point," he says. I also like this one since its a bit like ACT topic selection: ""I am only interested in technologies that have a 90% chance of failure but, if they do succeed, would change the infrastructure of society in some radical way," he says." should we propose SPS to him ? :-)
  • LeopoldS on 17 Mar 11
     
    one more: ""I never compute returns. If you start forecasting cash flows, you lose innovation, you lose instinct. You average yourself down to mediocrity." "I've had many more failures than successes in my life," admits Mr Khosla. "My willingness to fail gives me the ability to succeed."
  • Nicholas Lan on 17 Mar 11
     
    indeed. puts me in mind of the often reinvented private ACT idea. actually there's a bunch of interesting looking articles on his website. http://www.khoslaventures.com/khosla/papers.html . No sps in the solar one as far as i can tell :) found this bit intriguing too in that, albeit presumably out of context, it doesn't make sense ""The solution to our energy problems is almost the exact opposite of what Khosla says," declares Joseph Romm, who is the editor of Climate Progress, an influential climate blog, and a senior fellow at the Centre for American Progress Action Fund, a think-tank. "Technology breakthroughs are unlikely to be the answer. Accelerated deployment of existing technologies will get you down the cost curve much more rapidly than a breakthrough."" found this seemingly not very well considered piece (to be fair a blog post) by the guy http://climateprogress.org/2010/07/02/is-anyone-more-incoherent-than-vinod-khosla/ . maybe he's written some more convincing stuff in this vein somewhere.
  • Ma Ru on 25 Apr 11
     
    "Mr Khosla (...) is investing over $1 billion of his clients' money in black swans" Well, with his own money his approach might be a little different :-)
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Google's 8-Point Plan to Help Managers Improve - 7 views

www.nytimes.com/...13hire.html CMS INF
shared by Dario Izzo on 16 Mar 11 - No Cached
LeopoldS liked it
  • Dario Izzo on 16 Mar 11
     
    Well, well, Google says it. And all is a result of an algorithm..... Among the interesting fincings the algorithm says that technical competence of the boss is not needed..... against their own beliefs!!
  • ...3 more comments...
  • LeopoldS on 16 Mar 11
     
    "Although people are always looking for the next new thing in leadership," he said, "Google's data suggest that not much has changed in terms of what makes for an effective leader."
  • nikolas smyrlakis on 16 Mar 11
     
    "Managers often want to hire people who seem just like them" does the ACT look like the managers or the managers like the ACT ? hmmm
  • Ma Ru on 16 Mar 11
     
    "the topic often feels a bit like golf" What other comparison can one use in an article aimed towards managers? :D
  • LeopoldS on 17 Mar 11
     
    nobody in the ACT plays golf yet as far as I know ...
  • Ma Ru on 17 Mar 11
     
    Which is a pity as you have a golf field not that far away :-D Maybe a good idea for a nice team building event??
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The emergent dynamics of biological systems - 3 views

www.stanford.edu/...riedel-kruse bio fun technology
shared by Isabelle DB on 10 Mar 11 - No Cached
Dario Izzo liked it
  • Isabelle DB on 10 Mar 11
     
    Want to play football with paramecia?
  • LeopoldS on 12 Mar 11
     
    Interesting lab: very young and still in building up / recruiting phase: "Our lab started officially February 2010 - and we are looking for new members! "
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Tracking Whale Sharks With Astronomical Algorithms | Wired Science | Wired.com - 3 views

www.wired.com/...whale-shark-tracking bio INF space spinoff
shared by Joris _ on 25 May 11 - No Cached
Nicholas Lan liked it
  • equations were developed for astronomers using the Hubble telescope, Holmberg’s crew adapted them for biologists studying Earth’s biggest fishes
  • Holmberg also hopes that other programmers will follow his lead and lend their coding skills to worthy projects. “Pick the species or concern you’re most passionate about, pick the researchers who are working on it, and identify their technical needs,” he said. “I’m not even a great programmer. I’m underqualified but highly productive
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Lockheed Martin buys first D-Wave quantum computing system - 1 views

www.dwavesys.com/...pressreleases.html quantum_computation
shared by Luís F. Simões on 26 May 11 - No Cached
  • D-Wave develops computing systems that leverage the physics of quantum mechanics in order to address problems that are hard for traditional methods to solve in a cost-effective amount of time. Examples of such problems include software verification and validation, financial risk analysis, affinity mapping and sentiment analysis, object recognition in images, medical imaging classification, compressed sensing and bioinformatics.
  • Luís F. Simões on 26 May 11
     
    According to the company's wikipedia page, the computer costs $ 10 million. Can we then declare Quantum Computing has officially arrived?! quotes from elsewhere in the site: "first commercial quantum computing system on the market"; "our current superconducting 128-qubit processor chip is housed inside a cryogenics system within a 10 square meter shielded room" Link to the company's scientific publications. Interestingly, this company seems to have been running a BOINC project, AQUA@home, to "predict the performance of superconducting adiabatic quantum computers on a variety of hard problems arising in fields ranging from materials science to machine learning. AQUA@home uses Internet-connected computers to help design and analyze quantum computing algorithms, using Quantum Monte Carlo techniques". List of papers coming out of it.
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Network traffic in US - 1 views

www.sandvine.com/...figure_3.png INF networks p2p
shared by tvinko on 21 May 11 - No Cached
  • tvinko on 21 May 11
     
    p2p is still massive and seems to be constant, but real-time entertainment is taking over. More details here: http://www.sandvine.com/downloads/documents/05-17-2011_phenomena/Sandvine%20Global%20Internet%20Phenomena%20Report.pdf
  • LeopoldS on 21 May 11
     
    how reliable is this ... looks strange that e.g. secure tunneling and social networking are diminuing, isn't it?
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[1106.1470] Evidence for Time-Varying Nuclear Decay Rates: Experimental Results and The... - 2 views

arxiv.org/1106.1470 phy technology
shared by santecarloni on 13 Jun 11 - No Cached
LeopoldS liked it
  • santecarloni on 13 Jun 11
     
    Unexplained annual variations in nuclear decay rates have been reported in recent years by a number of groups. We show that data from these experiments exhibit not only variations in time related to Earth-Sun distance, but also periodicities attributable to solar rotation. Additionally, anomalous decay rates coincident in time with a series of solar flares in December 2006 also point to a solar influence on nuclear decay rates....
  • LeopoldS on 13 Jun 11
     
    can we use space to make a smart experiment to solve this riddle? e.g. sending a decay detecter on a close solar orbit and one to Pluto and then compare decay rates? or a highly elliptical trajectory and compare during peri and apoapsis?
  • santecarloni on 13 Jun 11
     
    I think it could be possible. I need to look into the details. In fact it could probably be done already with the nuclear generators on the Voyager and Pioneer and other nuclear powered probes. That is if the data are precise enough...
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Europe tackles huge fraud : Nature News - 5 views

www.nature.com/...474265a.html science inf EU
shared by LeopoldS on 16 Jun 11 - No Cached
  • LeopoldS on 16 Jun 11
     
    they used names of scientists and research centres without these actually knowing about their involvement it seems.... I am wondering what they actually reported back in terms of results? randomly generated papers? Christos?
  • ...2 more comments...
  • Luzi Bergamin on 16 Jun 11
     
    surprised? of course not! schadenfreude? yes, a lot!
  • Christos Ampatzis on 18 Jun 11
     
    Probably some bored project officer "accepted" the deliverables as reasonable? What worries me is the last paragraph by the Committee on Industry and Research (Space is in there..., all RTD is there...) Are we going to simplify procedures or tighten more??? Because there is a lot of talk about simplification in FP8: which is not well received by Parliament/Council and co...
  • Luzi Bergamin on 18 Jun 11
     
    Hopefully I'm wrong, but I'm very pessimistic. I guess they will impose even more control, ask for even more detailed description of the results that will be delivered and concentrate even more on project funding instead of funding open research.
  • pacome delva on 20 Jun 11
     
    maybe this is what happen when there is so much paper involved... a simple phone call to one of the research scientist and the fraud is unveiled :) or maybe the "bored project officer" has a brand new mercedes...
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Scientists who rock - 3 views

www.amygdaloids.com science neuroscience music fun
shared by Ma Ru on 14 Jun 11 - Cached
  • Ma Ru on 14 Jun 11
     
    I'll just leave this here... Found them through a recent publication of LeDoux in Trends in Cognitive Sciences
  • Ma Ru on 14 Jun 11
     
    Ah, and if there are no strong objections, from now on every brainstorming session shall commence with this: http://thebeautifulbrain.com/2010/10/ledoux-amygdaloids-brainstorm/2/
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The Associated Press: Daunting space task _ send astronauts to asteroid - 1 views

www.google.com/...M5hnN4y3aS-C7w15dB_witS1S3sEjA
shared by Joris _ on 25 Jul 11 - No Cached
LeopoldS liked it
  • NASA leaders say civilization may depend on it
  • NASA is thinking about jetpacks, tethers, bungees, nets and spiderwebs to allow explorers to float just above the surface of it while attached to a smaller mini-spaceship.
  • At the moment, there are only a handful of asteroid options and they all have names like 1999AO10 or 2009OS5.
  • ...2 more annotations...
  • NASA is pursuing its concept for a mini-spaceship exploration vehicle, about the size of a minivan. And it's planning an underwater lab for training, an effort to mimic an asteroid mission's challenges
  • "There's a lot of things we need to invent and build between now and then."
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Software nudges frozen computers out of infinite loops - 5 views

www.gizmag.com/...19419 software computers
shared by Lionel Jacques on 03 Aug 11 - No Cached
  • Lionel Jacques on 03 Aug 11
     
    "There are few things as maddening as being in the middle of a task on a computer, and having the software freeze up on you." Microsoft's solution ;)
3More

Russian cargo rocket crashes - 1 views

edition.cnn.com/...index.html space news crash Russia ATV
shared by Ma Ru on 24 Aug 11 - No Cached
  • Ma Ru on 24 Aug 11
     
    So... basically they are the only guys who now do human spaceflight?
  • Joris _ on 26 Aug 11
     
    and 2nd failed launch for Russian in 10 days. http://www.nasaspaceflight.com/2011/08/proton-m-launches-russias-ekspress-am4-communications-satellite/ although this one is a giant space debris stuck on the GTO.
  • Ma Ru on 01 Sep 11
     
    ESA's article on the consequences for ISS: http://www.esa.int/esaCP/SEM6GJUTTRG_index_0.html What is not clear is if the rocket that failed is the same variant as used in manned missions. [Edit] According to this article: http://www.interfax.com/newsinf.asp?pg=3&id=268437 "The first and second stages of the Soyuz-FG space rocket used for manned launches differ from those of the Soyuz-U, but the third stage [the one that failed - MR] is identical in both rockets". Thus the stay of astronauts currently at ISS may prolong a little bit.
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» Kamikaze Satellite Could Be Earth's Last Defense Against Asteroid - 5 views

www.wired.com/...divert-asteroid-apophis space
shared by Lionel Jacques on 24 Aug 11 - No Cached
  • Lionel Jacques on 24 Aug 11
     
    Does ESA really want to sent 2 S/C to this rock ?
  • ...1 more comment...
  • Luís F. Simões on 24 Aug 11
  • Joris _ on 26 Aug 11
     
    Isn't there a bit of confusion there - Don Quijote will actually not fly, is it? Isn't it just an old buzz that has been misquoted...
  • LeopoldS on 27 Aug 11
     
    indeed the article is a bit too upbeat - DQ is a concept and brain child of Andrés! and chances are indeed good that ESA will do something on NEO missions, if it will be don quijote, nobody knows of course ... but in my view it's a nice concept ...
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Wind Power Without the Blades: Big Pics : Discovery News - 4 views

news.discovery.com/...-power-without-the-blades.html NRG wind energy biomimicry
shared by Luís F. Simões on 19 Sep 11 - No Cached
  • The carbon-fiber stalks, reinforced with resin, are about a foot wide at the base tapering to about 2 inches at the top. Each stalk will contain alternating layers of electrodes and ceramic discs made from piezoelectric material, which generates a current when put under pressure. In the case of the stalks, the discs will compress as they sway in the wind, creating a charge.
  • Based on rough estimates, said Núñez-Ameni the output would be comparable to that of a conventional wind farm covering the same area
  • After completion, a Windstalk should be able to produce as much electricity as a single wind turbine, with the advantage that output could be increased with a denser array of stalks. Density is not possible with conventional turbines, which need to be spaced about three times the rotor's diameter in order to avoid air turbulence. But Windstalks work on chaos and turbulence so they can be installed much closer together, said Núñez-Ameni.
  • ...1 more annotation...
  • Núñez-Ameni also reports that the firm is currently working on taking the Windstalk idea underwater. Called Wavestalk, the whole system would be inverted to harness energy from the flow of ocean currents and waves.
  • Luís F. Simões on 19 Sep 11
     
    additional information: http://atelierdna.com/?p=144
  • LeopoldS on 24 Sep 11
     
    isn't this a bit of a contradiction: on the one hand: "Based on rough estimates, said Núñez-Ameni the output would be comparable to that of a conventional wind farm covering the same area" and on the other: "After completion, a Windstalk should be able to produce as much electricity as a single wind turbine, with the advantage that output could be increased with a denser array of stalks. Density is not possible with conventional turbines, which need to be spaced about three times the rotor's diameter in order to avoid air turbulence. " still, very interesting concept!
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interesting use of the AR Drone - 0 views

www.usenix.org/...Reed.pdf drone INF
shared by LeopoldS on 11 Sep 11 - No Cached
  • LeopoldS on 11 Sep 11
     
    Guido have a look at this one ....
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