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Tobias Seidl

PLANTHOPPERS SYNCHRONISE LEGS WITH MECHANICAL LINKAGE -- Knight 213 (3): i -- Journal o... - 2 views

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    These animal sustain 700g. We should have a look at this
LeopoldS

jse_13_2_dibble.pdf (application/pdf-Objekt) - 3 views

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    the PH paper Martin was mentioning ...
pacome delva

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

  • 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."
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    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...
Tobias Seidl

Evidence for grid cells in a human memory network : Article : Nature - 2 views

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    This is the community that states mammals have cognitive maps. Good work, especially by the Moser-couple.
Tobias Seidl

Photosynthesis: Quantum design for a light trap : Article : Nature - 0 views

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    Quantum-stuff in bio-stuff. Finally! Anyone wants to work on biomimetic quantum theory?
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    I'll start once we have the "Topological Metabiostring".
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    ooh yeah! do you have some time on sunday...? well this falls i think in the "Can we use it for space?" category... but I would like to read a bit more about it (just had the time to read the sciencenow news few post below...)
Ma Ru

Neuro-based olfactory model for artificial organoleptic tests - 1 views

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    The paper looks to be very related to the idea that came out once from Tobias based on the work of Gilles Laurent. Unfortunately I don't have access to this journal, so I can't peep into the article itself.
LeopoldS

PLoS ONE: HAMLET Interacts with Lipid Membranes and Perturbs Their Structure and Integrity - 1 views

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    does not taste good but ....
LeopoldS

The Salvinia Paradox: Superhydrophobic Surfaces with Hydrophilic Pins for Air Retention... - 2 views

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    not yet for space'ships' but nice biomimetic research
LeopoldS

Macroscopic invisibility cloaking of visible light : Nature Communications : Nature Pub... - 3 views

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    and all this without magic metamaterials ...
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    Wellwellwell! I don't know how I have to complain, since I could not yet read the full article, but I'm sure I will :-).
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    It's funny to see how people get more and more humble in the desperate attempt to save their stupid ideas... At the beginning was the brave and bold aim to cloak something in free space (in a sphere or a cylinder). This requires inhomogeneous, anisotropic, magnetic materials; hopeless!! So one reduces to one polarization, now we have inhomogenous, anisotropic materials; still hopeless! At this point one downgraded the pretension: instead of cloaking in free space, we make a "carpet cloak" and hide an object behind an invisible dent in a mirror. But if that shall be continuous, we still need inhomogeneity and this is very hard. So now instead of a dent we take a cone and then it is claimed to work ... for ONE polarization. But of course the cloak can't work at all incident angles... irony of fate: everything is now made from birefringent media, the antithesis of what the metamaterials dogma was at the beginning!
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    Hi Luzi, can you please send me the paper. We are writing a project based on sulfates and carbonates, and all this BS sounds great for the introduction (The authors used Calcite as birefringent material)
LeopoldS

Golden Goal collaborates with Flamingo in conferring synaptic-layer specificity in the ... - 1 views

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    new interesting neuroscience article ... how can we learn from this for AI?
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    > how can we learn from this for AI? After reading the abstract only... it appears a bit too low-level to be relevant...
duncan barker

Can WISE find the hypothetical 'Tyche'? - 0 views

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    "In November 2010, the scientific journal Icarus published a paper by astrophysicists John Matese and Daniel Whitmire, who proposed the existence of a binary companion to our sun, larger than Jupiter, in the long-hypothesized "Oort cloud" -- a faraway repository of small icy bodies at the edge of our solar system. The researchers use the name "Tyche" for the hypothetical planet. Their paper argues that evidence for the planet would have been recorded by the Wide-field Infrared Survey Explorer (WISE)."
LeopoldS

Biophysical Journal - Silk Fiber Mechanics from Multiscale Force Distribution Analysis - 2 views

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    something for Camilla and Tobias ...
LeopoldS

Unbound or distant planetary mass population detected by gravitational microlensing : N... - 1 views

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    dark matter :-) ?? could there be loads of them?
santecarloni

Peptidoglycan recognition proteins kill bacteria by activating protein-sensing two-comp... - 0 views

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    A group of proteins that act as the body's built-in line of defense against invading bacteria use a molecular trick to induce bacteria to destroy themselves...
santecarloni

Broadband graphene polarizer : Nature Photonics : Nature Publishing Group - 0 views

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    Graphene miracles
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    Actually since this graphene hype started, being more or less a physics laic, I keep wondering how much of these promised miracles will in fact be delivered? Any chance for an expert's opinion?
Luís F. Simões

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

  • 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
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    Sounds too super to be true, no?
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    cover story in the May 12 issue of Nature
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    For each, they calculated the percentage of points that need to be controlled in order to gain control of the entire system.
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    > 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...
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    then I am looking forward to reading your conclusions here after you will have actually read the paper
Tobias Seidl

WikiCFP : Call For Papers of Conferences, Workshops and Journals - 3 views

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    This is my first post to the ACT-Diigo in 18 months! Anyways a semantic wiki which collects calls for papers on all different fields - that should have been an ACT invention. SHAME ON YOU!!!
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    nice!
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    Come on guys, it's out there for centuries...
santecarloni

Single-cell biological lasers : Nature Photonics : Nature Publishing Group - 0 views

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    Here, we show that fluorescent proteins4, 5 in cells are a viable gain medium for optical amplification, and report the first successful realization of biological cell lasers based on green fluorescent protein (GFP).
LeopoldS

Non-mare silicic volcanism on the lunar farside at Compton-Belkovich : Nature Geoscienc... - 1 views

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    a place to land ...
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