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High-Speed Videos: The Hidden World of Insect Flight | Wired Science | Wired.com - 1 views

www.wired.com/...high-speed-insect-videos BIO insects flight
shared by Tobias Seidl on 27 Sep 10 - No Cached
Ma Ru liked it
  • Ma Ru on 29 Sep 10
     
    "Ladybug Fail" video is the best :-)
1More

innerSuper - 5 views

multimedia.mcb.harvard.edu/anim_innerlife.html
shared by santecarloni on 18 Oct 10 - Cached
  • santecarloni on 18 Oct 10
     
    never seen a representation so accurate...
3More

Machine Made of Lego Builds Anything You Want - Out of Lego | Gadget Lab | Wired.com - 5 views

www.wired.com/...legobot technology fun
shared by LeopoldS on 20 Oct 10 - No Cached
  • LeopoldS on 20 Oct 10
     
    nice ....
  • Ma Ru on 20 Oct 10
     
    "which raises the possibility - theoretically at least - that the machine could, with some modifications, build a copy of itself." - very interesting way to say that the machine can't build a copy of itself... But generally, this is ubercool :-) When you're getting one?
  • Juxi Leitner on 20 Oct 10
     
    we should have built a rep-rap
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An Extended Electromagnetic Theory - 5 views

iopscience.iop.org/...023
shared by duncan barker on 29 Oct 10 - No Cached
  • Luzi Bergamin on 29 Oct 10
     
    A very nice model how things should not be done :D
  • LeopoldS on 29 Oct 10
     
    Luzi we miss you .... :-)
5More

Is It Time To Revamp Systems Engineering? | AVIATION WEEK - 1 views

www.aviationweek.com/...story.jsp engineering
shared by Joris _ on 02 Nov 10 - No Cached
LeopoldS liked it
  • They both believe the systems engineering processes that have served the aerospace and defense community since pre-Apollo days are no longer adequate for the large and complex systems ­industry is now developing.
  • Joris _ on 02 Nov 10
     
    1) it has to actively work and produce a result that's what you intended 2) the design must be robust. 3) it should be efficient 4) it should minimize unintended consequences. "But we have to establish a formal, mathematically precise mechanism to measure complexity and adaptability . . . [where] adaptability means the system elements have sufficient margin, and can serve multiple purposes." "We need to break the paradigm of long cycles from design to product" some interesting questions....
  • ...1 more comment...
  • LeopoldS on 02 Nov 10
     
    indeed ... already hotly debated in CDF ... any suggestions in addition to what we already contributed to this (e.g. system level optimisation)
  • Joris _ on 03 Nov 10
     
    what is the outcome of the CDF study ? I think actually that optimisation is not at all the key point. As it is stressed in this news, it is robustness (points 2 and 4). This is something we should think about ...
  • Luzi Bergamin on 03 Nov 10
     
    SYSTEM OF SYSTEMS, SYSTEM OF SYSTEMS!!! :-D
2More

NASA Team Has Plan to Send a Robot to the Moon - NYTimes.com - 1 views

www.nytimes.com/...02robot.html nasa technology space robotics bipad lunar exploration
shared by Juxi Leitner on 03 Nov 10 - No Cached
Joris _ liked it
  • Juxi Leitner on 03 Nov 10
     
    background piece on Project M, it is being worked on at least it seems so ...
  • Joris _ on 03 Nov 10
     
    there should be more project like these - when you give a tough deadline and work your heart out to make things happen... look forward to see it walking on the Moon :)
3More

YouTube - BigDog Overview (Updated March 2010) - 5 views

www.youtube.com/watch
shared by duncan barker on 17 Nov 10 - No Cached
  • duncan barker on 17 Nov 10
     
    initially disgusting.........but amazing
  • LeopoldS on 17 Nov 10
     
    this was probably already 5 times on our diigo group ... and before this a few times on the predecessor of diigo ...
  • Ma Ru on 17 Nov 10
     
    Maybe it's a sign that every ACT member should ride one of these to get to work?
4More

Russia To Spend 2 Bln Dollars For Space Clean-Up - 1 views

www.spacedaily.com/...rs_For_Space_Clean_Up_999.html debris removal nuclear
shared by Luís F. Simões on 26 Nov 10 - No Cached
LeopoldS liked it
  • "The corporation promised to clean up the space in ten years by collecting about 600 defunct satellites on the same geosynchronous orbit and sinking them into the ocean subsequently,"
  • He said the cleaning satellite would work on nuclear power and be capable to work up to 15 years.
  • Energia said that the company would complete the cleaning satellite work-out and assembly by 2020 and test the device no later than in 2023.
  • Ma Ru on 27 Nov 10
     
    Hehe... as far as I know the Russians, they won't miss a chance to "clean up" a few enemy satellites too...
3More

NASA finds a new life form - 5 views

gizmodo.com/...nasa-finds-new-life space science BIO
shared by sreejanag on 02 Dec 10 - No Cached
  • dejanpetkow on 03 Dec 10
     
    Does the Drake equation (and the revised formulations) need to be adjusted?
  • Ma Ru on 04 Dec 10
     
    > Does the Drake equation (and the revised formulations) need to be adjusted? Certainly. See the XKCD journal, vol. 1 issue 384.
  • sreejanag on 07 Dec 10
3More

Some *real* crowdsourcing by NASA - 1 views

www.planethunters.org space planet crowdsourcing NASA exoplanets software
shared by Ma Ru on 18 Dec 10 - No Cached
LeopoldS liked it
  • Ma Ru on 18 Dec 10
     
    For the time being the page does not load for me (overload?) but I've just read an article about it in the local news.
  • LeopoldS on 19 Dec 10
     
    loads fine for me ... and very nice layout - well done in general in my view
  • LeopoldS on 19 Dec 10
     
    This Zooniverse looks nice in general ... look also at the other projects: http://www.zooniverse.org/contact
2More

Kettling Wikileaks | DefectiveByDesign.org - 1 views

www.defectivebydesign.org/wikileaks INF politics opensource
shared by LeopoldS on 21 Dec 10 - No Cached
  • LeopoldS on 21 Dec 10
     
    sympathetic point of view ... I am sure Francesco will appreciate ...
  • Luís F. Simões on 22 Dec 10
     
    the great Richard Stallman ( http://xkcd.com/225/ ). Nice article indeed.
1More

Spinning black holes twist light - 1 views

physicsworld.com/...45104 general_relativity black_holes electromagnetism
shared by pacome delva on 16 Feb 11 - No Cached
Nicholas Lan liked it
  • pacome delva on 16 Feb 11
     
    so coool ! an application for the rototenna :)

Nano flapping wing MAV by Aerovironment (DARPA-funded) - 6 views

started by Guido de Croon on 18 Feb 11 no follow-up yet
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Why I don't care very much about tablets anymore - 5 views

arstechnica.com/...re-very-much-about-tablets.ars inf
shared by Francesco Biscani on 22 Feb 11 - No Cached
  • Francesco Biscani on 22 Feb 11
     
    There it goes :)
  • Ma Ru on 22 Feb 11
     
    "So a new tablet will never be exciting the way that a new, luxury gel ink pen will be exciting" Man, I immediately felt like ordering some new luxury gel ink pens!
  • LeopoldS on 22 Feb 11
     
    like also this one: "Some of the really savvy new media efforts like Flipboard are exciting, but after the initial "wow" factor wears off, these apps mainly serve to remind me that there's already too much good stuff to read out there, and that my life is slipping away from me in an infinite stream of interesting bits about smart animals, dumb criminals, outrageous celebs, shiny objects, funny memes, scientific discoveries, economic developments, etc.. I invariably end up closing the app in a fit of guilt, and picking up one of the truly fantastic dead tree or Kindle books that I'm working my way through at the moment, so that I can actually exercise my brain (as opposed to simply wearing it out)."
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Heaviest ever antimatter discovered - physicsworld.com - 1 views

physicsworld.com/...45544 phy antimatter
shared by pacome delva on 29 Mar 11 - No Cached
LeopoldS liked it
  • Physicists at the Relativistic Heavy Ion Collider (RHIC) in New York say they have created nuclei of antihelium-4 for the first time – the heaviest antimatter particles ever seen on Earth.
1More

Physics anniversaries: How Professor Maxwell changed the world | The Economist - 1 views

www.economist.com/...physics_anniversaries physics
shared by santecarloni on 04 Apr 11 - No Cached
LeopoldS liked it
  • santecarloni on 04 Apr 11
     
    Maxwell remains the great unsung hero of human progress, the physicists' physicist whose name means little to those without a scientific bent. His life's work [....] is among the most enduring scientific legacies of all time, on a par with those of his more widely acclaimed peers, Isaac Newton and Albert Einstein.
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xkcd: Future Timeline - 5 views

xkcd.com/887 fun
shared by Francesco Biscani on 18 Apr 11 - No Cached
  • Francesco Biscani on 18 Apr 11
     
    Our job is now useless :P
  • LeopoldS on 18 Apr 11
     
    this entry tells it all: "2066 - Cyprus achieves its goal"
  • Ma Ru on 18 Apr 11
     
    > Francesco And all it took was a simple well-written google bot...
2More

Physics - Fruit flies swim through air - 1 views

physics.aps.org/...PhysRevLett.106.178103 bio insect_wings flies
shared by pacome delva on 27 Apr 11 - No Cached
LeopoldS liked it
  • A new experiment reported in Physical Review Letters shows that—contrary to popular wisdom—paddling can be as effective in air as it is in water. This could imply that insects evolved their flight capability from some earlier swimming trait.
  • Using high-speed video cameras to track wing motion, the team observed certain cases where the flies paddled their wings forward and backward. To confirm that this was indeed drag-based motion, the team plugged their wing data into an “insect flight simulator” and found that they could reproduce the fly’s overall movement. The authors constructed a simple model of paddling, which seems to support the theory that insect wings evolved in water.
1More

3D Printed CubeSat - Fabbaloo Blog - Fabbaloo - 1 views

fabbaloo.com/...3d-printed-cubesat.html cubesat rapid prototyping printing space technology
shared by Juxi Leitner on 04 May 11 - No Cached
LeopoldS liked it
  • LeopoldS on 05 May 11
     
    very nice!!! thanks for sharing ...
5More

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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