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Juxi Leitner

Slashdot Science Story | Turns Out You Actually Can Be Bored To Death - 4 views

science.slashdot.org/...Actually-Can-Be-Bored-To-Death

mgmt

shared by Juxi Leitner on 09 Feb 10 - Cached
  • Juxi Leitner on 09 Feb 10
     
    whoa, so take care at those long presentations and meetings!
Nina Nadine Ridder

Skeptical Science now an iPhone app - 2 views

www.skepticalscience.com/ptical-science-iphone-app.html

iPhone

shared by Nina Nadine Ridder on 17 Feb 10 - Cached
  • Nina Nadine Ridder on 17 Feb 10
     
    iPhone app with scientific assessment of arguments used by global warming skeptics
  • pacome delva on 18 Feb 10
     
    very good idea! and it seems well done, the graphics are very clear and the literature abondant.
Joris _

The Telescope-Toting 747 That Sees More than Hubble | Popular Science - 3 views

www.popsci.com/...ing-telescope-sees-more-hubble

telescope

shared by Joris _ on 03 Mar 10 - Cached
  • Francesco Biscani on 03 Mar 10
     
    The list of reasons for going to space keeps on getting shorter...
LeopoldS

BBC NEWS | Science & Environment | Plans for UK satellite launcher - 0 views

news.bbc.co.uk/...7862827.stm

spaceflight space private-spaceflight space-tourism suborbital

shared by LeopoldS on 08 Dec 09 - Cached
  • LeopoldS on 08 Dec 09
     
    ".... taking at least 50kg of payload into a polar orbit with a minimum altitude of 400km (248 miles), but engineers would aim to get significant additional performance. "We'd be looking at a range from 50 to up to a maximum of 200kg because you'd want to do different sizes of satellite," said Mr Whitehorn."
Joris _

Observatory - Cassini Data Solves Mystery of Iapetus's Two-Tone Surface - NYTimes.com - 4 views

www.nytimes.com/...15obmoon.html

space planets moon

shared by Joris _ on 16 Dec 09 - Cached
  • dust, most likely from another of Saturn’s moons, falls on the leading side of Iapetus as it orbits the planet
pacome delva

Epernicus: Dashboard - 1 views

www.epernicus.com/dashboard

social_network

shared by pacome delva on 22 Dec 09 - No Cached
  • pacome delva on 22 Dec 09
     
    It seems we cannot add a publication automatically (eg with bibtex) if it's not on pubmed. Bit useless for non medical sciences...
  • LeopoldS on 23 Dec 09
     
    what a pity ...
pacome delva

NASA Administrator Promises Not to Cannibalize Science Budget - 0 views

blogs.sciencemag.org/...nasa-administra.html

NASA politics

shared by pacome delva on 07 Jan 10 - Cached
  • Bolden didn't provide any direct answers to whether the agency would continue to send humans into space in the coming decade, as recommended by a report from a blue-ribbon panel last October. However, Bolden promised that the program would not be paid for through cuts to the agency's science budget, which has been cannibalized in recent years to support space flights. The auditorium erupted in applause. Bolden avoided getting into any specifics on the next generation of NASA manned spacecraft, a topic of hot debate.
Dario Izzo

Science makes Air Guitar Hero a reality - 3 views

www.joystiq.com/...akes-air-guitar-hero-a-reality

HCI BMI AI

shared by Dario Izzo on 05 Jan 10 - Cached
  • Dario Izzo on 05 Jan 10
     
    Thi HCI looks like having better peformance than BMIs!!!! It is a BRAND NEW PATENT form Microsoft
nikolas smyrlakis

Your Favorite Sci-Fi Movies, 2000 and Beyond | Underwire | Wired.com - 0 views

www.wired.com/...5

sci-fi movies primer wired

shared by nikolas smyrlakis on 09 Dec 09 - Cached
  • nikolas smyrlakis on 09 Dec 09
     
    some ideas for movie Fridays A "must" see on my opinion (never heard about it in the past!) : Primer Sounds ideal: "Primer is a 2004 American science fiction film about the accidental discovery of time travel. The film was written, directed and produced by Shane Carruth, a mathematician and a former engineer, and was completed on a budget of $7,000.[1] Primer is of note for its extremely low budget, experimental plot structure and complex technical dialogue, which Carruth chose not to 'dumb down' for the sake of his audience. One reviewer said that "anybody who claims [to] fully understand what's going on in Primer after seeing it just once is either a savant or a liar."[2] The film collected the Grand Jury Prize at Sundance in 2004 before securing a limited release in US cinemas, and has since gained a cult following."
  • Ma Ru on 09 Dec 09
     
    I watched it a while ago during my studies in Belgium... The plot is quite well summarized on this diagram: http://xkcd.com/657/large/ According to the text above I'm either savant or a liar (you choose). But I watched the movie under significant exposure to Belgian beer, so this may have helped...
Nina Nadine Ridder

Top 10 Surprising Results of Global Warming | LiveScience - 5 views

www.livescience.com/..._global_warming_results-1.html

climate_change satellite_orbit drag atmosphere

shared by Nina Nadine Ridder on 07 Dec 09 - Cached
LeopoldS liked it
  • Nina Nadine Ridder on 07 Dec 09
     
    #4 is pretty interesting 
  • ...1 more comment...
  • LeopoldS on 08 Dec 09
     
    first time I hear about this!!! Is there any peer reviewed paper reference to this? should impact missions like GOCE!!
  • Nina Nadine Ridder on 08 Dec 09
     
    There are (even in Science): http://science-mag.aaas.org/cgi/reprint/314/5803/1253.pdf There is also a group at UCAR (lead by S. Solomon, one of the Gods in atmospheric research) who are analyzing this effect: http://www.ucar.edu/news/releases/2006/thermosphere.shtml
  • Joris _ on 08 Dec 09
     
    for the drag effect, this is well known in fluid mechanics, we use the Knudsen number, which explains this phenomenon ... for a perfect gaz though!
Francesco Biscani

What Should We Teach New Software Developers? Why? | January 2010 | Communications of the ACM - 3 views

cacm.acm.org/...fulltext

inf

shared by Francesco Biscani on 15 Jan 10 - Cached
Dario Izzo liked it
  • Industry wants to rely on tried-and-true tools and techniques, but is also addicted to dreams of "silver bullets," "transformative breakthroughs," "killer apps," and so forth.
  • This leads to immense conservatism in the choice of basic tools (such as programming languages and operating systems) and a desire for monocultures (to minimize training and deployment costs).
  • The idea of software development as an assembly line manned by semi-skilled interchangeable workers is fundamentally flawed and wasteful.
  • Francesco Biscani on 15 Jan 10
     
    Nice opinion piece by the creator of C++ Bjarne Stroustrup. Substitute "industry" with "science" and many considerations still apply :)
  • Juxi Leitner on 18 Jan 10
     
    "for many, "programming" has become a strange combination of unprincipled hacking and invoking other people's libraries (with only the vaguest idea of what's going on). The notions of "maintenance" and "code quality" are typically forgotten or poorly understood. " ... seen so many of those students :( and ad "My suggestion is to define a structure of CS education based on a core plus specializations and application areas", I am not saying the austrian university system is good, but e.g. the CS degrees in Vienna are done like this, there is a core which is the same for everybody 4-5 semester, and then you specialise in e.g. software engineering or computational mgmt and so forth, and then after 2 semester you specialize again into one of I think 7 or 8 master degrees ... It does not make it easy for industry to hire people, as I have noticed, they sometimes really have no clue what the difference between Software Engineering is compared to Computational Intelligence, at least in HR :/
Tobias Seidl

Questions Abound in Q-Fever Explosion in the Netherlands -- Enserink 327 (5963): 266 -- Science - 3 views

www.sciencemag.org/...266-a

shared by Tobias Seidl on 15 Jan 10 - Cached
  • Tobias Seidl on 15 Jan 10
     
    No comments
pacome delva

Mysterious 'dark flow' at the edge of the universe - 1 views

physicsworld.com/...41984

cosmology dark_flow

shared by pacome delva on 16 Mar 10 - Cached
  • Cosmologists have already observed two distinct effects caused by invisible entities in the universe: dark matter is known to affect the rotation of galaxies and dark energy seems to be causing the expansion of the universe to accelerate. Dark flow is the latest addition to this shadowy family.
  • pacome delva on 16 Mar 10
     
    I think Lucas didn't know he would have such an impact in science with Star Wars...!
  • nikolas smyrlakis on 16 Mar 10
     
    do you think it could be the dark side of The Force?
  • pacome delva on 16 Mar 10
     
    what else...?
Joris _

Researchers Claim They Can Translate Infant Cries, But is it Just Noise? | Popular Science - 0 views

www.popsci.com/...ate-infant-cries-it-just-noise

shared by Joris _ on 22 Mar 10 - Cached
  • Joris _ on 22 Mar 10
     
    nice conclusion! Published paper: "Statistical method for classifying cries of baby based on pattern recognition of power spectrum" in Int. J. Biometrics, 2010, 2, 113-123
  • Ma Ru on 23 Mar 10
     
    This must have been a hot topic is space research during last months... well, at least within the ESA's Advanced Concepts Team ;-)
pacome delva

3D invisibility cloak unveiled - physicsworld.com - 1 views

physicsworld.com/...42043

transformation_optics cloaking

shared by pacome delva on 29 Mar 10 - Cached
  • For Wegener the aim of the work is not about focusing all efforts on creating invisibility cloaks, but is about exploring a range of applications in transformation optics. This involves calculating what kind of material is needed to bend light in a certain way, by considering light trajectories as the result of the warping of space. Wegener says that transformation optics should lead, for example, to the design of better antennas or smaller optical resonators.
  • Luzi Bergamin on 29 Mar 10
     
    We don't have Science Express subscription here, so I have to wait till the normal paper is out. From what I heard about it, I doubt that this would have made it to Science without the names Pendry and Wegener in the autor list! Certainly, they are two of the smartest guys in Metamaterials, but they are also two of the absolut class A sellers. Pendry by definition is the first in whatever (at least in HIS talks...) but apart from this he's a very nice guy. Better let's not try to characterize Wegener...
pacome delva

Novel negative-index metamaterial bends light 'wrong' direction - 1 views

www.sciencedaily.com/...100422153939.htm

phy nan metamaterials

shared by pacome delva on 23 Apr 10 - Cached
  • the first negative index metamaterial to operate at visible frequencies
  • By engineering a metamaterial with such properties, we are opening the door to such unusual -- but potentially useful -- phenomena as superlensing (high-resolution imaging past the diffraction limit), invisibility cloaking, and the synthesis of materials index-matched to air, for potential enhancement of light collection in solar cells
  • Luzi Bergamin on 23 Apr 10
     
    I forwarded the link to my experimental colleagues and here is the comment from Sergei (the master himself:) "this is what Igor has been doing - an array of plasmonic nanocables. This basically works as a wire-medium slab. All their epsilon and mu are rubbish." * If Sergei is as strict as in this comment, then it IS rubbish. He's not one of the notorious complainer (as e.g. myself.) * Please DO NOT FORWARD this to anybody else, Sergei's comment is NOT FOR PUBLIC USE!
  • Luzi Bergamin on 23 Apr 10
     
    UPDATE: I had a short chat with Sergei and Pekka, Sergei noticed that there is an increasing number of papers on metamaterials, especially in Nature and Science, which are simply wrong, this one being an example. * The idea is based on a very well known effect of wired media. What appears to be interesting about this paper is that they manage to make an optical analogue with aparently low losses. This could be interesting. * The whole interpretation as NIM, "wrong" refraction etc. is total nonsense.
  • pacome delva on 23 Apr 10
     
    wow, good to know ! But for the privacy you should be aware that this is a public group, so anyone has access to our comments i think !
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