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pacome delva

Physics World reveals its top 10 breakthroughs for 2010 - 3 views

physicsworld.com/...44618

phy

shared by pacome delva on 22 Dec 10 - No Cached
LeopoldS liked it
  • pacome delva on 22 Dec 10
     
    BECs and Clocks, 6th and 7th place, metamaterials 4th place :)
  • LeopoldS on 22 Dec 10
     
    nice list! thanks Pacome!
santecarloni

Breakthrough Propulsion Physics - 7 views

www.grc.nasa.gov/bpp

propulsion physics space

shared by santecarloni on 26 Jan 11 - Cached
  • santecarloni on 26 Jan 11
     
    The competition is open....
  • Luzi Bergamin on 26 Jan 11
     
    And what does one win in the end? Yet another unfeasible concept to be archived somewhere in a journal? Look at "Millis hypothetical drives"... Give me a break, for sure!!
  • Dario Izzo on 26 Jan 11
     
    I like the sentence "16 peer-reviewed journal articles, and an award-winning website (Warp-When), all for a total investment of less than $1.6M". This gives 100.000 dollars per peer-reviewed paper (we neglect the award-winning web-site under the assumption that is the easy part....). With these number the ACT in 2010 cashed 1.4 millions only in research papers making it an obvious good investment for the European Space Agency also in austerity times!!!
Giusi Schiavone

la simplexite' - 3 views

www.youtube.com/watch

shared by Giusi Schiavone on 08 Feb 11 - No Cached
  • Giusi Schiavone on 08 Feb 11
     
    very nice talk from Alain Berthoz
Ma Ru

Flea's jumping ability explained - 3 views

news.bbc.co.uk/...9391478.stm

BIO PHY science flea

shared by Ma Ru on 11 Feb 11 - No Cached
LeopoldS liked it
  • Ma Ru on 11 Feb 11
     
    Very ACT-ish...
Dario Izzo

YouTube - Informationvisualization - VisLink - 3 views

www.youtube.com/watch

visualization

shared by Dario Izzo on 22 Feb 11 - No Cached
Nicholas Lan liked it
  • Dario Izzo on 22 Feb 11
     
    Solution to DeathTouch Problem......
  • Luís F. Simões on 22 Feb 11
     
    Original implementation Integrating 2D Mouse Emulation with 3D Manipulation for Visualizations on a Multi-Touch Table -- project built on top of VisLink, check video !!
dejanpetkow

inverse laser - 6 views

Could this be applied to in-space energy beam via laser?

PHY

started by Guido de Croon on 22 Feb 11 1 follow-up, last by dejanpetkow on 24 Feb 11
Isabelle DB

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! "
Ma Ru

Peter Florjancic: Slovenian inventor extraordinaire - 3 views

www.bbc.co.uk/13048155

creativity invention story fun

shared by Ma Ru on 13 Apr 11 - No Cached
LeopoldS liked it
  • Ma Ru on 13 Apr 11
     
    We're all here about inventiveness and creativity, so here you go... Story of a guy who's life's motto has been "Gold lies on the streets and you just need to dig it up with ideas. Ideas are like the shovel" Add to it Monte Carlo, Marlene Dietrich and, say, King Farouk and you get quite an amazing story... And most of all, after reading this you'll know the value of knowing how to ski.
  • LeopoldS on 15 Apr 11
     
    nice story indeed ...
Luís F. Simões

New algorithm offers ability to influence systems such as living cells or social networks - 3 views

www.sciencedaily.com/...110512104220.htm

control complex_networks complex networks

shared by Luís F. Simões on 13 May 11 - No Cached
Joris _ liked it
  • a new computational model that can analyze any type of complex network -- biological, social or electronic -- and reveal the critical points that can be used to control the entire system.
  • Slotine and his colleagues applied traditional control theory to these recent advances, devising a new model for controlling complex, self-assembling networks.
  • Yang-Yu Liu, Jean-Jacques Slotine, Albert-László Barabási. Controllability of complex networks. Nature, 2011; 473 (7346): 167 DOI: 10.1038/nature10011
  • LeopoldS on 14 May 11
     
    Sounds too super to be true, no?
  • ...3 more comments...
  • LeopoldS on 15 May 11
     
    cover story in the May 12 issue of Nature
  • LeopoldS on 15 May 11
     
    For each, they calculated the percentage of points that need to be controlled in order to gain control of the entire system.
  • LeopoldS on 16 May 11
  • Ma Ru on 17 May 11
     
    > Sounds too super to be true, no? Yeah, how else may it sound, being a combination of hi-quality (I assume) research targeted at attracting funding, raised to the power of Science Daily's pop-pseudo-scientific journalists' bu****it? Original article starts with a cool sentence too: > The ultimate proof of our understanding of natural or technological systems is reflected in our ability to control them. ...a good starting point for a never-ending philosophers' debate... Now seriously, because of a big name behind the study, I'm very curious to read the original article. Although I expect the conclusion to be that in practical cases (i.e. the cases of "networks" you *would like to* "control"), you need to control all nodes or something equally impractical...
  • LeopoldS on 18 May 11
     
    then I am looking forward to reading your conclusions here after you will have actually read the paper
Joris _

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
Luzi Bergamin

Airbus Concept Cabin - 3 views

www.thefuturebyairbus.com/...the-airbus-concept-cabin.aspx

bio future concept SciFi

shared by Luzi Bergamin on 15 Jun 11 - No Cached
Joris _ liked it
  • Luzi Bergamin on 15 Jun 11
     
    Another futuristic view on flying by Airbus. To make it more sexy it also includes some biomimetics...
  • Ma Ru on 16 Jun 11
     
    "The cabin electrical system can be compared to the human brain, with a network of intelligence pulsating through the cabin.". Oh, come on, ...
santecarloni

[1107.0392] Emergence of good conduct, scaling and Zipf laws in human behavioral sequen... - 3 views

arxiv.org/1107.0392

emergence human behavior science

shared by santecarloni on 07 Jul 11 - No Cached
LeopoldS liked it
  • santecarloni on 07 Jul 11
     
    ... proof that humanity is good?
  • LeopoldS on 16 Jul 11
     
    "The dataset contains practically all actions of all players of the MMOG Pardus since the game went online in 2004 [18]. Pardus is an open-ended online game with a world- wide player base of currently more than 370,000 people. Play- ers live in a virtual, futuristic universe in which they interact with others in a multitude of ways to achieve their self-posed goals [22]. Most players engage in various economic activities typically with the (self-posed) goal to accumulate wealth and status. Social and economical decisions of players are often strongly influenced and driven by social factors such as friend- ship, cooperation, and conflict." quite impressive ...
Luzi Bergamin

How to Create an Innovation Accelerator - 3 views

arxiv.org/1011.3794v3

science

shared by Luzi Bergamin on 21 Jul 11 - No Cached
LeopoldS liked it
  • Luzi Bergamin on 21 Jul 11
     
    Not exactly new, but apparently never appeared on Diigo. I'm very sceptical about the topic (of course!), but interesting thoughts anyway.
  • LeopoldS on 21 Jul 11
     
    looooong paper ...
Luís F. Simões

Europe's Plan to Move An Asteroid - Technology Review - 3 views

www.technologyreview.com/...27028

asteroid deflection

shared by Luís F. Simões on 02 Aug 11 - No Cached
LeopoldS liked it
  • In 2002, the European Space Agency began a program called Don Quijote to find out how best to perform such a deflection.
  • Now, Stephen Wolters at the Open University in the UK and a few friends have published a new analysis of the mission saying that measuring the change in orbit is not enough. Instead, the spacecraft needs to characterise the impact in detail, determining the density of the material near the asteroid's surface, the size of the surface grains as well as the mass and speed distribution of the impact ejecta.
  • Ref: arxiv.org/abs/1107.4229: Measurement Requirements For A Near-Earth Asteroid Impact Mitigation Demonstration Mission
Ma Ru

New Scientist's Move to Foster Evolution? - 7 views

dating.newscientist.com/17833

BIO evolution science fun new scientist

shared by Ma Ru on 19 Aug 11 - No Cached
  • Ma Ru on 19 Aug 11
     
    You know... cross-fertilisation... literally.
pandomilla

Bioinspired self-repairing slippery surfaces with pressure-stable omniphobicity : Natur... - 3 views

www.nature.com/...nature10447.html

biomimetics plant self-repairing

shared by pandomilla on 22 Sep 11 - No Cached
LeopoldS liked it
  • a strategy to create self-healing, slippery liquid-infused porous surface(s) (SLIPS) with exceptional liquid- and ice-repellency, pressure stability and enhanced optical transparency. Our approach—inspired by Nepenthes pitcher plants13—is conceptually different from the lotus effect, because we use nano/microstructured substrates to lock in place the infused lubricating fluid. We define the requirements for which the lubricant forms a stable, defect-free and inert ‘slippery’ interface.
  • ts capability to repel various simple and complex liquids (water, hydrocarbons, crude oil and blood),
  • pandomilla on 22 Sep 11
     
    ...This slippery surface was bio-inspired by the carnivorous plant I showed you sometimes ago! I was sure it was a good idea! next time I will be quicker!!
  • ...1 more comment...
  • LeopoldS on 22 Sep 11
     
    Shit. I am sure that there is more to do on this. Let's have a closer look.
  • LeopoldS on 22 Sep 11
     
    And a good lesson that it is important to proceed quickly when you have an idea and don't wait ...
  • pandomilla on 23 Sep 11
     
    Yes, I will see what we could do, but they really did a good job, from the biomimetic of the surface, up to the realization of the material, and the tests...
Dario Izzo

Throwable Panoramic Ball Camera // Jonas Pfeil - 3 views

jonaspfeil.de/ballcamera

AI LANDING CAMERA

shared by Dario Izzo on 14 Oct 11 - No Cached
Ma Ru liked it
  • Dario Izzo on 14 Oct 11
     
    Good to solve the Landing problem!!!! No skew due to perspective and gimballed by definition
  • Ma Ru on 14 Oct 11
     
    Very very nice idea! Unfortunately samples show they still have quite some work to do on the image processing side... which is interesting because there are very good open-source solutions for stitching.
Lionel Jacques

The end of GMT ? - 3 views

www.theregister.co.uk/...atomic_time_could_replace_gmt

technology science

shared by Lionel Jacques on 04 Nov 11 - No Cached
pacome delva liked it
  • Lionel Jacques on 04 Nov 11
     
    Greenwich could lose its place at the centre of global time if a move to "atomic time" is voted in by the International Telecommunication Union in Geneva in January 2012.
  • ...1 more comment...
  • Ma Ru on 04 Nov 11
     
    The article says it can lead to abandoning the Daylight Wasting Time in winter, so if that's the case, I'm definitely for.
  • pacome delva on 07 Nov 11
     
    Haha this is really a British article... Already since 1972 we don't use GMT but UTC, which is based on atomic clocks. However British continue to call it GMT... The question is to drop the leap second in UTC, and France is definitely for this change (for scientific motives of course...;) I don't see how this is connected to winter time however... And they shouldn't worry Greenwich is still the beginning of the world with 0 degree longitude !
  • Ma Ru on 07 Nov 11
     
    "the end of GMT as an international standard could accelerate the move to keep British Summer Time into the winter, letting us have lighter evenings." As I understand it, if GMT looses its "prestigious" status, then it would be easier to push through all-year BST in UK.
LeopoldS

Particle self-bunching in the Schwinger effect in spacetime-dependent electric fields - 3 views

arxiv.org/1106.6175

Phy

shared by LeopoldS on 11 Nov 11 - No Cached
pacome delva liked it
  • LeopoldS on 11 Nov 11
     
    magic :-)
  • pacome delva on 15 Nov 11
     
    "self-bunching effect" haha
Lionel Jacques

DARPA's Shredder Challenge is solved ahead of schedule - 3 views

www.gizmag.com/...20732

AI technology

shared by Lionel Jacques on 06 Dec 11 - No Cached
Dario Izzo liked it
  • Lionel Jacques on 06 Dec 11
     
    The San Francisco-based team, which beat out approximately 9,000 competitors, used "custom-coded, computer-vision algorithms to suggest fragment pairings to human assemblers for verification."
  • Nicholas Lan on 07 Dec 11
     
    amusing team name
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