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ESA ACT

PUTTING PSYCHOLOGY INTO BEHAVIORAL ECONOMICS - Edge: EDGE MASTER CLASS 2008-CLASS 6 - 0 views

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    maybe of interest to Nikolaos? have to admit that I did not read it entirely ....
LeopoldS

How simple rules determine pedestrian behavior and crowd disasters - 2 views

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    nice paper on crowds .... 
Christos Ampatzis

Plants: Adaptive behavior, root-brains, and minimal cognition - 1 views

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    Hello? Tobias, Dario, Luis: Should we take a look?
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    They are philosophers, and they don't quote your study... might be interesting nevertheless...
Thijs Versloot

Effectively Universal Behavior of Rotating Neutron Stars in General Relativity Makes Them Even Simpler than Their Newtonian Counterparts - 0 views

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    Recently, it was shown that slowly rotating neutron stars exhibit an interesting correlation between their moment of inertia I, their quadrupole moment Q, and their tidal deformation Love number λ (the I-Love-Q relations), independently of the equation of state of the compact object. By exploiting this relation, we can describe quite accurately the geometry around a neutron star with fewer parameters, even if we don't know precisely the equation of state. Side note: I-Love-Q relations? Some inner chuckles in the Fundamental Physicist community.. :)
Thijs Versloot

Is Westeros orbiting a binary star system? #ArXiv - 5 views

shared by Thijs Versloot on 21 May 14 - No Cached
Nicholas Lan liked it
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    To right that appalling wrong, here we attempt to explain the apparently erratic seasonal changes in the world of G.R.R.M. A natural explanation for such phenomena is the unique behavior of a circumbinary planet. Thus, by speculating that the planet under scrutiny is orbiting a pair of stars, we utilize the power of numerical three-body dynamics to predict that, unfortunately, it is not possible to predict either the length, or the severity of any coming winter.
Dario Izzo

Updated: European neuroscientists revolt against the E.U.'s Human Brain Project | Science/AAAS | News - 4 views

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    Summary of the critics: the project cannot but fail, its a waste of money that will dry funds for serious research and will thus create an enormous disappointment in the public opinion that is, ultimately, the real funder of the project
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    Told you from the very beginning...
Athanasia Nikolaou

More science crowdsourcing games! - "EyeWire" - 4 views

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    There is this optical neuron that gets stimulated from motion. Mapping it is difficult in the lab: "The stumbling block is a lack of fine-grained anatomical detail about how the neurons in the retina are wired up to each other." So, use people deciphering from 2D images --> the 3D neuron structure using the human spatial reasoning to figure out what is part of a branching cell and what is just background noise in the images (yet incomparable to their best algorithms' performance) 120.000 users so far mapped 2% of the retina
Marcus Maertens

Psychologists Have Uncovered a Troubling Feature of People Who Seem Nice All the Time - Mic - 6 views

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    "The irony is that a personality disposition normally seen as antisocial - disagreeableness - may actually be linked to 'pro-social' behavior ..."
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    anybody has access to the pdf of the original article? http://onlinelibrary.wiley.com/doi/10.1111/jopy.12104/abstract
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    have it ....
Thijs Versloot

Popper's experiment realized again-but what does it mean? - 1 views

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    Although it may seem like the above two experiments violate the uncertainty principle because the results show a smaller-than-required degree of uncertainty, Shih and his coauthors explain that no violation has occurred due to the fact that the experiments involve photon pairs rather than individual photons. The scientists argue that Popper's original thought experiment was based on a misunderstanding of the proper context of the uncertainty principle: it governs the behavior of single particles only, not the "correlation" of two particles.
Guido de Croon

New theory allows drones to see distances with one eye - 2 views

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    Inspired by the work that was done at the ACT, I continued working on optical flow landing at TU Delft. Today Bio & Bio published my article on a new theory that allows drones to see distances with a single camera. It shows that drones approaching an object with an insect-inspired vision strategy become unstable at a specific distance from the object. Turning this weakness into a strength, drones can actually use the timely detection of that instability to estimate distance. The new theory will enable further miniaturization of autonomous drones and provides a new hypothesis on flying insect behavior. Video: https://www.youtube.com/watch?v=Fm7SMJp8EA4&feature=youtu.be Article: http://iopscience.iop.org/article/10.1088/1748-3190/11/1/016004
Alexander Wittig

The Whorfian Time Warp: Representing Duration Through the Language Hourglass. - 0 views

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    How do humans construct their mental representations of the passage of time? The universalist account claims that abstract concepts like time are universal across humans. In contrast, the linguistic relativity hypothesis holds that speakers of different languages represent duration differently. The precise impact of language on duration representation is, however, unknown. Here, we show that language can have a powerful role in transforming humans' psychophysical experience of time. Contrary to the universalist account, we found language-specific interference in a duration reproduction task, where stimulus duration conflicted with its physical growth. When reproducing duration, Swedish speakers were misled by stimulus length, and Spanish speakers were misled by stimulus size/quantity. These patterns conform to preferred expressions of duration magnitude in these languages (Swedish: long/short time; Spanish: much/small time). Critically, Spanish-Swedish bilinguals performing the task in both languages showed different interference depending on language context. Such shifting behavior within the same individual reveals hitherto undocumented levels of flexibility in time representation. Finally, contrary to the linguistic relativity hypothesis, language interference was confined to difficult discriminations (i.e., when stimuli varied only subtly in duration and growth), and was eliminated when linguistic cues were removed from the task. These results reveal the malleable nature of human time representation as part of a highly adaptive information processing system.
marenr

NeuroNex - Odor2Action - 0 views

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    Let's keep a eye on this... Animals use odor cues to navigate through their environments, helping them locate targets and assess danger. Much of how animal brains organize, read out, and respond to odor stimuli across spatial and temporal scales is not well understood. To tackle these questions, Odor2Action uses a highly interdisciplinary team science approach. Our work uses fruit fly, honeybee, and mouse models to determine how neural representations of odor are generated, reformatted, and translated to generate useful behaviors that guide how animals interact with their environment.
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    reminds me of the methan smelling source finding study we did ...
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