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Tom Gheysens

Biomimicr-E: Nature-Inspired Energy Systems | AAAS - 4 views

www.aaaspolicyfellowships.org/...nature-inspired-energy-systems

energy science phy space

shared by Tom Gheysens on 13 Jan 14 - No Cached
  • Tom Gheysens on 13 Jan 14
     
    some biomimicry used in energy systems... maybe it sparks some ideas
  • LeopoldS on 27 Jan 14
     
    not much new that has not been shared here before ... BUT: we have done relativley little on any of them. for good reasons?? don't know - maybe time to look into some of these again more closely Energy Efficiency( Termite mounds inspired regulated airflow for temperature control of large structures, preventing wasteful air conditioning and saving 10% energy.[1] Whale fins shapes informed the design of new-age wind turbine blades, with bumps/tubercles reducing drag by 30% and boosting power by 20%.[2][3][4] Stingray motion has motivated studies on this type of low-effort flapping glide, which takes advantage of the leading edge vortex, for new-age underwater robots and submarines.[5][6] Studies of microstructures found on shark skin that decrease drag and prevent accumulation of algae, barnacles, and mussels attached to their body have led to "anti-biofouling" technologies meant to address the 15% of marine vessel fuel use due to drag.[7][8][9][10] Energy Generation( Passive heliotropism exhibited by sunflowers has inspired research on a liquid crystalline elastomer and carbon nanotube system that improves the efficiency of solar panels by 10%, without using GPS and active repositioning panels to track the sun.[11][12][13] Mimicking the fluid dynamics principles utilized by schools of fish could help to optimize the arrangement of individual wind turbines in wind farms.[14] The nanoscale anti-reflection structures found on certain butterfly wings has led to a model to effectively harness solar energy.[15][16][17] Energy Storage( Inspired by the sunlight-to-energy conversion in plants, researchers are utilizing a protein in spinach to create a sort of photovoltaic cell that generates hydrogen from water (i.e. hydrogen fuel cell).[18][19] Utilizing a property of genetically-engineered viruses, specifically their ability to recognize and bind to certain materials (carbon nanotubes in this case), researchers have developed virus-based "scaffolds" that
Tobias Seidl

Cheetah, Gecko and Spiders Inspire Robotic Designs | Gadget Lab | Wired.com - 1 views

www.wired.com/...1

BIO spider cockroach robot

shared by Tobias Seidl on 19 Oct 09 - Cached
  • Tobias Seidl on 19 Oct 09
     
    Bio-inspired robots. Cockroaches are also in.
ESA ACT

List of emerging technologies - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/...List_of_emerging_technologies

inspiration

shared by ESA ACT on 24 Apr 09 - Cached
  • ESA ACT on 24 Apr 09
     
    I know it's not the most reliable source of scientific information but just in case anybody is looking for some inspiration...
ESA ACT

TED: Ideas worth spreading - 0 views

www.ted.com/index.php

education technology inspiration innovation

shared by ESA ACT on 24 Apr 09 - Cached
  • ESA ACT on 24 Apr 09
     
    Inspired talks by the world's greatest thinkers and doers
Annalisa Riccardi

Frog Calls Inspire a New Algorithm for Wireless Networks - 1 views

www.sciencedaily.com/...120717100123.htm

shared by Annalisa Riccardi on 07 Nov 12 - No Cached
  • Marcus Maertens on 08 Nov 12
     
    Oh, I like this one. One more point for swarm intelligence! :)
  • LeopoldS on 13 Nov 12
     
    We could have come up with an inspiration like this !!! As creative as the roots :-) "These male amphibians use their calls to attract the female, who can recognise where it comes from and then locate the suitor. The problem arises when two males are too close to one another and they use their call at the same time. The females become confused and are unable to determine the location of the call. Therefore, the males have had to learn how to 'desynchronise' their calls or, in other words, not call at the same time in order for a distinction to be made."
johannessimon81

IBM Neuromorphic chip hits DARPA milestone and has been used to implement deep learning - 2 views

www.nextbigfuture.com/...romorphic-chip-hits-darpa.html

AI science technology memristor neuromorphic

shared by johannessimon81 on 30 Sep 16 - No Cached
Dario Izzo liked it
  • johannessimon81 on 30 Sep 16
     
    "IBM delivered on the DARPA SyNAPSE project with a one million neuron brain-inspired processor. The chip consumes merely 70 milliwatts, and is capable of 46 billion synaptic operations per second, per watt-literally a synaptic supercomputer in your palm." --- No memristors..., yet.: https://www.technologyreview.com/s/537211/a-better-way-to-build-brain-inspired-chips/
johannessimon81

Plastic Clothing Inspired By Kitchen Wrap Releases Body's Infrared Radiation To Cool Th... - 0 views

www.techtimes.com/...radiation-to-cool-the-skin.htm

technology

shared by johannessimon81 on 02 Sep 16 - No Cached
  • johannessimon81 on 02 Sep 16
     
    Any unintended consequences..? https://i.stack.imgur.com/A0UZn.jpg
Annalisa Riccardi

Dynamic Vision Sensors - 5 views

www.inilabs.com/...dynamic-vision-sensors

dynamic vision sensors

shared by Annalisa Riccardi on 23 Jan 15 - No Cached
  • Annalisa Riccardi on 23 Jan 15
     
    New vision sensor from a swiss company seems to go beyond Elementary Motion Detectors (those inspired by insect vision)
  • Thijs Versloot on 23 Jan 15
     
    Nice stuff!
Dario Izzo

Optimal Control Probem in the CR3BP solved!!! - 7 views

math.u-bourgogne.fr/...research

OCP CR3BP trajectory MAD

shared by Dario Izzo on 07 Jun 11 - No Cached
  • Dario Izzo on 07 Jun 11
     
    This guy solved a problem many people are trying to solve!!! The optimal control problem for the three body problem (restricted, circular) can be solved using continuation of the secondary gravity parameter and some clever adaptation of the boundary conditions!! His presentation was an eye opener ... making the work of many pretty useless now :)
  • ...13 more comments...
  • Ma Ru on 08 Jun 11
     
    Riemann hypothesis should be next... Which paper on the linked website is this exactly?
  • Joris _ on 08 Jun 11
     
    hmmm, last year at the AIAA conference in Toronto I presented a continuation approach to design a DRO (three-body problem). Nothing new here unfortunately. I know the work of Caillau, although interesting what is presented was solved 10 years ago by others. The interest of his work is not in the applications (CR3BP), but in the research of particular regularity conditions that unfortunately make the problem limited practically. Look also at the work of Mingotti, Russel, Topputo and other for the (C)RTBP. Smart-One inspired a bunch of researchers :)
  • Dario Izzo on 08 Jun 11
     
    Topputo and some of the others 'inspired' researchers you mention are actually here at the conference and they are all quite depressed :) Caillau really solves the problem: as a one single phase transfer, no tricks, no misconvergence, in general and using none of the usual cheats. What was produced so far by other were only local solutions valid for the particular case considered. In any case I will give him your paper, so that he knows he is working on already solved stuff :)
  • Dario Izzo on 08 Jun 11
     
    Answer to Marek: the paper you may look at is: Discrete and differential homotopy in circular restricted three-body control
  • Joris _ on 08 Jun 11
     
    Ah! with one single phase and a first order method then it is amazing (but it is still just the very particular CRTBP case). The trick is however the homotopy map he selected! Why this one? Any conjugate point? Did I misunderstood the title ? I solved in one phase with second order methods for the less restrictive problem RTBP or simply 3-body... but as a strict answer to your title the problem has been solved before. Nota: In "Russell, R. P., "Primer Vector Theory Applied to Global Low-Thrust Trade Studies," JGCD, Vol. 30, No. 2", he does solve the RTBP with a first order method in one phase.
  • Joris _ on 08 Jun 11
     
    I think what is interesting is not what he solved, but how he solved the problem. But, are means more important than end ... I dunno
  • Dario Izzo on 08 Jun 11
     
    I also loved his method, and it looked to me that is far more general than the CRTBP. As for the title of this post, OK maybe it is an exageration as it suggests that no solution was ever given before, on the other end, as Marek would say "come on guys!!!!!"
  • Joris _ on 09 Jun 11
     
    The generality has to be checked. Don't you think his choice of mapping is too specific? he doesn't really demonstrate it works better than other. In addition, the minimum time choice make the problem very regular (i guess you've experienced that solving min time is much easier than mass max, optimality-wise). There is still a long way before maximum mass+RTBP, Topputo et al should be re-assured :p Did you give him my paper, he may find it interesting since I mention the homotopy on mu but for max mass:)
  • Dario Izzo on 09 Jun 11
     
    Joris, that is the point I was excited abut, at the conference HE DID present solutions to the maximum mass problem!! One phase, from LEO to an orbit around the moon .. amazing :) You will find his presentation on line.... (according to the organizers) I gave him the reference to you paper anyway, but no pdf though as you did not upload it on our web pages and I could not find it in the web. So I gave him some bibliography I had with be from the russians, and from Russell, Petropoulos and Howell, As far as I know these are the only ones that can hope to compete with this guy!!
  • Joris _ on 09 Jun 11
     
    for info only, my phd, in one phase: http://pdf.aiaa.org/preview/CDReadyMAST08_1856/PV2008_7363.pdf I prefered Mars than the dead rock Moon though!
  • Dario Izzo on 09 Jun 11
     
    If you send me the pdf I can give it to the guy .. the link you gave contains only the first page ... (I have no access till monday to the AIAA thingy)
  • LeopoldS on 11 Jun 11
     
    this is why I like this Diigo thingy so much more than delicious ...
  • tvinko on 17 Jun 11
     
    What do you mean by this comment, Leopold? ;-) Jokes apart: I am following the Diigo thingy with Google Reader (rss). Obviously, I am getting the new postings. But if someone later on adds a comment to a post, then I can miss it, because the rss doesn't get updated. Not that it's a big problem, but do you guys have a better solution for this? How are you following these comments? (I know that if you have commented an entry, then you get the later updates in email.) (For example, in google reader I can see only the first 5 comments in this entry.)
  • LeopoldS on 18 Jun 11
     
    I like when there are discussions evolving around entries
  • LeopoldS on 18 Jun 11
     
    and on your problem with the RSS Tamas: its the same for me, you get the comments only for entries that you have posted or that you have commented on ...
jcunha

Where Life Meets Light: Bio-Inspired Photonics - 0 views

www.osa-opn.org/...s_light_bio-inspired_photonics

BIO biomimetics science FUN technology

shared by jcunha on 18 Jun 15 - No Cached
  • jcunha on 18 Jun 15
     
    Octopus and optoelectronics camouflage, light bugs and LEDs, or spider webs and touch screens, ... a whole cool bunch of biomimetic stuff
  • jcunha on 18 Jun 15
     
    See also the referred work "Light-extraction enhancement for light-emitting diodes: a firefly-inspired structure refined by the genetic algorithm" - quite cool! https://pure.fundp.ac.be/portal/files/11946897/paper89.pdf
LeopoldS

Future | Timeline | Technology | Predictions | Events | 2010 | 2012 | 2015 | 2020 | 205... - 5 views

www.futuretimeline.net/...2010-2019.htm

BIO technology phy space science fun

shared by LeopoldS on 08 Nov 10 - Cached
  • LeopoldS on 08 Nov 10
     
    nice source of inspiration ....
Dario Izzo

Past Future Predictions - 3 views

www.ethologic.com/...pastpred.txt

futurology forecast technology forecast

shared by Dario Izzo on 07 Dec 09 - Cached
  • Dario Izzo on 07 Dec 09
     
    "Computers in the future may weigh no more than 1.5 tons." Underoptimistic ... Excellent source of inspiration and quotation for all our reports
  • LeopoldS on 08 Dec 09
     
    put them on the wiki ....
  • Francesco Biscani on 10 Dec 09
     
    "Computers in the future may weigh no more than 1.5 tons." Technically, this is a correct prediction :P
pacome delva

Algae Show a Knack for Quantum Mechanics -- Berardelli 2010 (203): 3 -- ScienceNOW - 1 views

sciencenow.sciencemag.org/...3

phy bio quantum_physics photosynthesis

shared by pacome delva on 04 Feb 10 - Cached
  • the discovery will open up a new field of research, and it could lead to a new generation of superefficient light-sensitive devices.
  • the experiments showed that the electron vibrations resulting from the photons striking the antennas persisted at full strength four times longer than expected. The reason, the researchers report this week in Nature, is that quantum mechanics controls the energy. "It was an utter surprise," says physical chemist and co-author Gregory Scholes of the University of Toronto in Canada. For the results to have occurred, he explains, a property called quantum coherence must have been operating.
  • the research "will open an entirely new area of biophysics." And that effort should have "huge implications," he says, "not only for how we think about biophysics, but also light harvesting and light-sensitive devices."
  • pacome delva on 04 Feb 10
     
    Very interesting work, showing that apparently algae mastered quantum coherence a few years before us... Inspiring for a new type of light-sensitive devices, and perhaps other applications...
jmlloren

Vote for the Most Inspiring Astronomical Photo of the Year - 2 views

www.stuartclark.com/...astronomical-photo-of-the-year

shared by jmlloren on 17 Dec 10 - No Cached
LeopoldS liked it
  • jmlloren on 17 Dec 10
     
    My vote goes to the weird dunescape on Mars
LeopoldS

Tree identification a snap with mobile app - Technology & Science - CBC News - 1 views

www.cbc.ca/...logy-leaf-app-smithsonian.html

shared by LeopoldS on 13 Jun 11 - No Cached
  • LeopoldS on 13 Jun 11
     
    One more nice citizen scientist example as I try to find for space since some time. Any good ideas this mit inspire you to?
  • ...1 more comment...
  • Ma Ru on 13 Jun 11
     
    IF THERE IS A MUSHROOM IDENTIFICATION APP I BUY AN IPHONE IMMEDIATELY!!!
  • LeopoldS on 13 Jun 11
     
    why don't you programme one and get rich?
  • Ma Ru on 13 Jun 11
     
    Would love to but this requires *TIME* :-( Automatic image-based mushroom recognition... perhaps could do as a FP7 study... it may save lives actually!
Joris _

Let's Reconstitute Humans From Genomes Launched Into Space! and Other Ambitious Proposa... - 0 views

www.popsci.com/...military-and-public-darpa-says

technology darpa

shared by Joris _ on 17 Jun 11 - No Cached
  • Fragmented human genomes could be shipped toward the stars and reconstructed upon their arrival,
  • to spur the monumental technology advances that would be required for such a feat. So the 100-Year Starship is more like a thought experiment than a construction project.
  • “The crux, to us, is inspiration of research — not just in solving the physics-based problems. It’s across all of the domains
  • Joris _ on 17 Jun 11
     
    disruptive!
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...
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