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Dario Izzo

High-speed light-based systems could replace supercomputers for certain 'deep learning'... - 2 views

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    New optics based computer architecture
jcunha

'Harder, better, faster, stronger'-tethered soft exosuit reduces metabolic cost of running - 1 views

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    "What if running the 26.2 miles of a marathon only felt like running 24.9 miles, or if you could improve your average running pace from 9:14 minutes/mile to 8:49 minutes/mile without weeks of training?"
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    I thought the point of running a marathon was to make the effort :)
jaihobah

Vanishing star hints at direct collapse to black hole - 0 views

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    The rules for a stellar death seem pretty simple. If the star isn't that massive, it burns out into a carbon-rich remnant called a white dwarf. If it's big enough, the star ends in a bang, exploding in a supernova that can leave behind a neutron star or a black hole.
Dario Izzo

GMS: NASA's Van Allen Probes Find Human-Made Bubble Shrouding Earth - 0 views

shared by Dario Izzo on 23 May 17 - No Cached
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    And maybe a good thing about antropocene?
Dario Izzo

Tabby's Star 2017 update: 'Alien megastructure' doing weird things again - 0 views

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    Its doing it again.
    Anyone wants to play the "explain this" game?
jcunha

Fermat Library - platform for illuminating scientific papers - 1 views

shared by jcunha on 18 May 17 - No Cached
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    "Just as Pierre de Fermat scribbled his famous last theorem in the margins, professional scientists, academics and citizen scientists can annotate equations, figures and ideas and also write in the margins."

    Interesting way of analyzing research in the 21st century
jcunha

Self-learning neuromorphic chip that composes music - 0 views

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    Based in OxRAM...
    Looking forward to further details.
Dario Izzo

How the Space Pope is helping to find real exoplanets by playing Eve: Online | Ars Tech... - 0 views

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    serious gaming came back!
Alexander Wittig

On the extraordinary strength of Prince Rupert's drops - 1 views

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    Prince Rupert's drops (PRDs), also known as Batavian tears, have been in existence since the early 17th century. They are made of a silicate glass of a high thermal expansion coefficient and have the shape of a tadpole. Typically, the diameter of the head of a PRD is in the range of 5-15 mm and that of the tail is 0.5 to 3.0 mm. PRDs have exceptional strength properties: the head of a PRD can withstand impact with a small hammer, or compression between tungsten carbide platens to high loads of ∼15 000 N, but the tail can be broken with just finger pressure leading to catastrophic disintegration of the PRD. We show here that the high strength of a PRD comes from large surface compressive stresses in the range of 400-700 MPa, determined using techniques of integrated photoelasticity. The surface compressive stresses can suppress Hertzian cone cracking during impact with a small hammer or compression between platens. Finally, it is argued that when the compressive force on a PRD is very high, plasticity in the PRD occurs, which leads to its eventual destruction with increasing load.
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.
jcunha

Adaptive foveated single-pixel imaging with dynamic supersampling - 4 views

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    "In contrast to conventional multipixel cameras, single-pixel cameras capture images using a single detector that measures the correlations between the scene and a set of patterns. However, these systems typically exhibit low frame rates, because to fully sample a scene in this way requires at least the same number of correlation measurements as the number of pixels in the reconstructed image."
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    Is that the same method Andrej and Jai use in their super-telescope Ariadna?
Alexander Wittig

Astronomical engineering: a strategy for modifying planetary orbits - 1 views

shared by Alexander Wittig on 25 Apr 17 - No Cached
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    The Sun's gradual brightening will seriously compromise the Earth's biosphere within ~ 1E9 years. If Earth's orbit migrates outward, however, the biosphere could remain intact over the entire main-sequence lifetime of the Sun. In this paper, we explore the feasibility of engineering such a migration over a long time period.

    (via Nina)
jcunha

3D printing of Glass - 1 views

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    Cool technique to 3D print glass structures of small sizes.
Paul N

Facebook Spaces - 0 views

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    This literally terrifies me
Paul N

Google's AI has learned how to draw by looking at your doodles - 0 views

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    "To create Sketch-RNN, Google Brain researchers David Ha and Douglas Eck collected more than five million user-drawn sketches from the Google tool Quick, Draw! Each time a user drew something on the app, it recorded not only the final image, but also the order and direction of every pen stroke used to make it. The resulting data gives a more complete picture (ho, ho, ho) of how we really draw."

    It's funny because this David Ha used to be a quant banker ha ha
gpetit

Blue Horizon venture - 1 views

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    OHB and Luxspace venture to ensure human life on the Moon! Research on O2 production and others.....
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    Has BH at least completed an orbit yet? Or are they still at 10mins in microgravity?
Paul N

A look at deep learning for science - 0 views

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    Scientific use cases show promise, but challenges remain for complex data analytics.
jcunha

Gravity hidden aspects of electrodynamics - 0 views

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    "Gravity spoils the symmetry regardless of whether magnetic monopoles exist or not. This is shocking. The bottom line is that the symmetry cannot exist in our universe at the fundamental level because gravity is everywhere"
Alexander Wittig

Google AI experiment: fast drawing for everyone - 0 views

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    AutoDraw is a new kind of drawing tool. It pairs machine learning with drawings from talented artists to help everyone create anything visual, fast. There's nothing to download. Nothing to pay for. And it works anywhere: smartphone, tablet, laptop, desktop, etc.

    AutoDraw's suggestion tool uses the same technology used in QuickDraw, to guess what you're trying to draw. Right now, it can guess hundreds of drawings and we look forward to adding more over time. If you are interested in creating drawings for others to use with AutoDraw, contact us here.

    We hope AutoDraw will help make drawing and creating a little more accessible and fun for everyone.
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