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Joris _

Dropbox's password nightmare highlights cloud risks - 5 views

money.cnn.com/...dropbox_passwords

technology cloud

shared by Joris _ on 22 Jun 11 - No Cached
  • Joris _ on 22 Jun 11
     
    fortunately I've never managed to use it properly...
  • Francesco Biscani on 23 Jun 11
     
    lol cloud
LeopoldS

Edwin Hubble in translation trouble : Nature News - 5 views

www.nature.com/...news.2011.385.html

PHY science space

shared by LeopoldS on 30 Jun 11 - No Cached
  • LeopoldS on 30 Jun 11
     
    you can't hide things before historians forever ...
santecarloni

Nanoparticles play at being red blood cells - physicsworld.com - 1 views

physicsworld.com/...46344

mimetics bio nan

shared by santecarloni on 01 Jul 11 - No Cached
LeopoldS liked it
  • santecarloni on 01 Jul 11
     
    Nanoparticles disguised as red blood cells could be used to deliver anti-cancer drugs directly to a tumour.
Marion Nachon

Galaxy collisions not the only source of monster black hole activity | Space | EarthSky - 1 views

earthsky.org/...of-monster-black-hole-activity

space science

shared by Marion Nachon on 14 Jul 11 - No Cached
LeopoldS liked it
  • Marion Nachon on 14 Jul 11
     
    In a surprise announcement earlier today (July 13), the European Southern Observatory said that monster black holes - those giants of millions or billions of solar masses, thought to lurk at the hearts of most galaxies - have a mechanism to become active other than galaxy collisions.
  • LeopoldS on 16 Jul 11
     
    "A new study combining data from ESO's Very Large Telescope and ESA's XMM-Newton X-ray space observatory has turned up a surprise. Most of the huge black holes in the centers of galaxies in the past 11 billion years were not turned on by mergers between galaxies, as had been previously thought." and "The process that activates a sleeping black hole - turning its galaxy from quiet to active - has been a mystery in astronomy. What triggers the violent outbursts at a galaxy's center, which then becomes an active galactic nucleus? Up to now, many astronomers thought that most of these active nuclei were turned on when two galaxies merged, or when they passed close to each other and the disrupted material became fuel for the central black hole. Results of the new study indicate this idea may be wrong for many active galaxies." very interesting indeed
Christos Ampatzis

International Experts Blend Space Technologies and Crowdsourcing to Enhance Disaster Ma... - 1 views

www.newswise.com/...ance-disaster-management-tools

science space

shared by Christos Ampatzis on 14 Jul 11 - No Cached
LeopoldS liked it
  • Christos Ampatzis on 14 Jul 11
     
    Crowsourcing Awareness: "To augment the use of these space technologies, virtual communities of group intelligence - called "Crowdsourcing" - can aide in emergency planning and post-disaster coordination."
Joris _

Asteroid Deflection Research Center - 5 views

www.youtube.com/watch

space MAD NEO

shared by Joris _ on 16 Jul 11 - No Cached
  • Joris _ on 16 Jul 11
     
    lol
jmlloren

Hack the multiverse - 1 views

dwave.wordpress.com

NAN INF

shared by jmlloren on 20 Jul 11 - Cached
LeopoldS liked it
  • jmlloren on 20 Jul 11
     
    Interesting blog maintained by the people from D-Wave, who developed the first commercial quantum computer. The blog presents a python implementation to program the D-Wave and some examples.
Luís F. Simões

When Astronomy Met Computer Science | Cosmology | DISCOVER Magazine - 1 views

discovermagazine.com/...astronomy-met-computer-science

astronomy INF data mining

shared by Luís F. Simões on 25 Jul 11 - No Cached
LeopoldS liked it
  • “That’s impossible!” he told Borne. “Don’t you realize that the entire data set NASA has collected over the past 45 years is one terabyte?”
  • The LSST, producing 30 terabytes of data nightly, will become the centerpiece of what some experts have dubbed the age of peta­scale astronomy—that’s 1015 bits (what Borne jokingly calls “a tonabytes”).
  • A major sky survey might detect millions or even billions of objects, and for each object we might measure thousands of attributes in a thousand dimensions. You can get a data-mining package off the shelf, but if you want to deal with a billion data vectors in a thousand dimensions, you’re out of luck even if you own the world’s biggest supercomputer. The challenge is to develop a new scientific methodology for the 21st century.”
  • LeopoldS on 25 Jul 11
     
    Francesco please look at this and get back wrt to the /. question .... thanks
Joris _

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."
Giusi Schiavone

Snakebot - 5 views

www.youtube.com/watch

shared by Giusi Schiavone on 02 Aug 11 - No Cached
  • Giusi Schiavone on 02 Aug 11
     
    It is able to climb a tree
  • duncan barker on 02 Aug 11
     
    freeky
  • Ma Ru on 03 Aug 11
     
    coool! Although I'm not sure real snakes do it that way...
Lionel Jacques

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 ;)
jmlloren

Designer lattices - 5 views

physics.aps.org/...PhysRevLett.107.085501

MAD NAN

shared by jmlloren on 17 Aug 11 - No Cached
  • jmlloren on 17 Aug 11
     
    Perhaps interesting for the SPS self-assembling
  • LeopoldS on 19 Aug 11
     
    nice, read only the abstract so far but looks to me like a bit of 19th century crystallography reinvented ...
Luzi Bergamin

IOPscience::.. Highlights of 2009-2010 - 5 views

iopscience.iop.org/...Highlights%20of%202009-2010

PHY gravity

shared by Luzi Bergamin on 21 Aug 11 - No Cached
  • Luzi Bergamin on 21 Aug 11
     
    Highlights of the year 2009 and 2010 of "Classical and Quantum Gravity". There's an ACT paper among them!
  • Ma Ru on 23 Aug 11
     
    Congrats!
Lionel Jacques

» 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 ...
LeopoldS

BBC News - Speed-of-light experiments give baffling result at Cern - 5 views

www.bbc.co.uk/...science-environment-15017484

PHY physics Einstein

shared by LeopoldS on 22 Sep 11 - No Cached
  • LeopoldS on 22 Sep 11
     
    Sante, Luzi have a look at this???!!!
  • ...3 more comments...
  • Luís F. Simões on 23 Sep 11
     
    and here's the xkcd on it: http://xkcd.com/955/
  • Luzi Bergamin on 23 Sep 11
     
    And here's the arXiv paper http://arxiv.org/abs/1109.4897 Serious? Difficult to say. I'm theorist and can't really rate their measurement techniques. Certainly be cautious, mostly such things disappear faster than they appeared.
  • LeopoldS on 23 Sep 11
     
    it took them 3 years to "appear"!
  • Luzi Bergamin on 23 Sep 11
     
    Leo, you mean that they measured 3 years? That's not a point to criticize: since the only interaction of neutrinos with matter is the Weak Interaction (which is indeed very, very weak), it is extremely hard to get a reasonable statistic. By the same reason, it's essentially impossible to shield the experiment from the background. And this background (solar neutrinos, cosmic radiation neutrinos) is huge.
  • pacome delva on 28 Sep 11
     
    for sure a result to be taken seriously. It makes a buzz in my lab... but always be cautious with this kind of declaration, that hugely violates all physics we know and even most of the reasonable alternative theories... Remember the Pionneer anomaly for which it took almost ten years to set up that finally its a thermal effect.
duncan barker

Now is your Chance to Pursue a Career in CHEESE !!!!!!!! - 5 views

www.academicjobseu.com/...job_advert.asp

shared by duncan barker on 10 Oct 11 - No Cached
  • Ma Ru on 12 Oct 11
     
    "Application of scientific principals for improvement of quality of reduced-fat, reduced-salt cheese" As far as I know, fat and salt content in food correlates *positively* with the taste, so the project is against food quality...
santecarloni

Four-wheel nanocar takes to the road - physicsworld.com - 1 views

physicsworld.com/...47756

NAN Phy

shared by santecarloni on 11 Nov 11 - No Cached
LeopoldS liked it
  • santecarloni on 11 Nov 11
     
    A "four-wheel drive car" less than one billionth the length of an average SUV has been built and operated by researchers in the Netherlands and Switzerland.
  • LeopoldS on 12 Nov 11
     
    "Molecular machines are common in nature. Motor proteins, for example, can move along a surface to transport molecular-sized cargo and are often used to build structures within living cells. " reminds me of the fantastic movie on what happens inside a cell ...
santecarloni

Pristine relics of the Big Bang spotted - physicsworld.com - 1 views

physicsworld.com/...47769

Universe Phy space

shared by santecarloni on 11 Nov 11 - No Cached
LeopoldS liked it
  • santecarloni on 11 Nov 11
     
    For the first time, astronomers have discovered two distant clouds of gas that seem to be pure relics from the Big Bang.
  • LeopoldS on 12 Nov 11
     
    and one of them is in "leo" .... "This gas is of primordial composition, as it was produced during the first few minutes after the Big Bang." One gas cloud resides in the constellation Leo"
santecarloni

Has 'new physics' been found at CERN? - physicsworld.com - 1 views

physicsworld.com/...47844

LHC Phy science

shared by santecarloni on 18 Nov 11 - No Cached
LeopoldS liked it
  • santecarloni on 18 Nov 11
     
    Physicists working on the LHCb experiment at the CERN particle-physics lab have released the best evidence yet for direct charge-parity (CP) violation in charm mesons....While more data must be analysed to confirm the result, the work could point to new physics beyond the Standard Model and help physicists understand why there is more matter than antimatter in the universe.
  • LeopoldS on 22 Nov 11
     
    lot of new physics this year ...
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