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jcunha

Medical Xpress: Newly discovered hormone mimics the effects of exercise - 0 views

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    "Hormones are molecules that act as the body's signals, triggering various physiological responses. The newly discovered hormone, dubbed "MOTS-c," primarily targets muscle tissue, where it restores insulin sensitivity, counteracting diet-induced and age-dependent insulin resistance." Good news for long distance space travelers?
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    as well as lazy couch potatoes
anonymous

HTC Vive: Virtual Reality That's So Damn Real I Can't Even Handle It - 2 views

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    New VR headset by Valve and HTC outclasses everything else that out there. Developer kit this spring, full version by the end of the year.
annaheffernan

Filamentous laser beams point to new type of phase transition - applications in weather... - 2 views

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    Filaments of plasma created by a high-powered laser beam undergo a similar type of phase transition as liquid percolating through a porous material - that is the conclusion of physicists in Switzerland. The also describe the application of laser filamentation for directed lightening and encouraged rainfall - Isabelle should come back to take a closer look :p
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    Christophe? Isabelle?
LeopoldS

iSpy: The CIA Campaign to Steal Apple's Secrets - 3 views

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    interesting read - also on the approach taken ... again thanks to Snowden
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    and what an effort they make ..
jcunha

Wireless 10 kW power transmission - 1 views

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    Mitsubishi Heavy Industries said Friday that it has succeeded in transmitting 10 kW of power through 500 m. An announcement that comes just after JAXA scientists reported one more breakthrough in the quest for Space Solar Power Systems (http://phys.org/news/2015-03-japan-space-scientists-wireless-energy.html). One step closer to Power Generation from Space/
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    from the press release (https://www.mhi-global.com/news/story/1503121879.html) "10 kilowatts (kW) of power was sent from a transmitting unit by microwave. The reception of power was confirmed at a receiver unit located at a distance of 500 meters (m) away by the illumination of LED lights, using part of power transmitted". So 10kW of transmission to light a few efficient LED lights??? In a 2011 report (https://www.mhi-global.com/company/technology/review/pdf/e484/e484017.pdf), MHI estimated this would generate the same electricity output as a 400-megawatt thermal plant - or enough to serve more than 150,000 homes during peak hours. The price? The same as publicly supplied power, according to its calculations. There are no results to boost these claims however. The main work they do now is focused on beam steering control. I guess the real application in mind is more targeted to terrestrial applications, eg wireless highway charging (http://www.bbc.com/future/story/20120312-wireless-highway-to-charge-cars). With the distances so much shorter, leading to much smaller antenna's and rectenna's this makes much more sense to me to develop.
annaheffernan

How to make a tougher quantum computer - 0 views

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    A system of nine quantum bits (qubits) that is robust to errors that would normally destroy a quantum computation has been created by researchers at the University of California, Santa Barbara (UCSB) and Google. The device relies on a quantum error-correction protocol, which the team says could be deployed in practical quantum computers of the future.
Thijs Versloot

Watch uranium radiation inside a cloud chamber - 6 views

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    Ever wondered what radiation looks like? If you have, I bet you didn't think it would look as cool as this. This is a small piece of uranium mineral sitting in a cloud chamber, which means you can see the process of decay and radiation emission....
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    Once I saw a DIY spark chamber in LIP (CERN associated laboratory). It was the work of a bunch of BSc students, they made it all from scratch, so it seemed to be not that difficult to have one at home. Yet another project for the future 'Experimental Physics' stagiare maybe :)
Nicholas Lan

UK promises commercial spaceport 'by 2018' with 6 of 8 potential locations in Scotland - 0 views

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    not sure what to make of this. seems like an odd change of direction "Spaceports will be key to us opening up the final frontier of commercial space travel," said Chief Secretary to the Treasury Danny Alexander at the announcement of the new sites. Mr Alexander hinted that the plans could lead to Scotland becoming the home of the UK's commercial space ambitions, even as the Scottish government warns that only independence will secure a successful space industry for the country.
Athanasia Nikolaou

Media Gallery for summer inspiration - 1 views

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    Bifurcations, patterns and other visualised mathematical problems for zen. Even found an oscillatory chemical reaction "Belousov-Zhabotinsky". Had no idea such a thing existed :-)
Thijs Versloot

Scientists have developed a material so dark that you can't see it... - 7 views

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    A British company has produced a "strange, alien" material so black that it absorbs all but 0.035 per cent of visual light, setting a new world record. To stare at the "super black" coating made of carbon nanotubes - each 10,000 times thinner than a human hair - is an odd experience.
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    Finally! Nowadays blacks were always too bright for my taste...
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    "No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it." I will keep waiting for my darkness-emitting diodes...
Thijs Versloot

Bionic liquids from lignin - liberating sugars in advanced biofuels - 0 views

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    While the powerful solvents known as ionic liquids show great promise for liberating fermentable sugars from lignocellulose and improving the economics of advanced biofuels, an even more promising candidate is on the horizon - bionic liquids. Read more at: http://phys.org/news/2014-08-bionic-liquids-lignin-results-pave.html#jCp
LeopoldS

A Solar Cell That Stores Its Own Power - Technology News - redOrbit - 1 views

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    not for space but the air breathing battery still is a nice concept - would make robots more "human" if they have to breath :-)
Thijs Versloot

ESA APP CAMP - Enter the Challenge! - 1 views

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    Another Appathon with the aim to allow access to vast amounts of 'space data' and then play around.. In other words, a neural network's guy wet dream, so Paul, what are you waiting for?
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    I'm not really an app developer :P But I'll think about it
Thijs Versloot

Scotland's Renewable Sector Generated Over 100% of Electricity Needs In October - 0 views

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    Clean Power November 5th, 2014 by The Scottish renewable energy sector is one of the world's best performing, and new data from WeatherEnergy has shown that October was a "bumper month" for the country, generating more than enough electricity from renewable sources to power the country.
johannessimon81

How Building a Black Hole for Interstellar Led to an Amazing Scientific Discovery | WIRED - 2 views

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    Kip Thorne looks into the black hole he helped create and thinks, "Why, of course. That's what it would do." This particular black hole is a simulation of unprecedented accuracy. It appears to spin at nearly the speed of light, dragging bits of the universe along with it.
Paul N

Have We Been Interpreting Quantum Mechanics Wrong This Whole Time? - 6 views

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    "The experiments involve an oil droplet that bounces along the surface of a liquid. The droplet gently sloshes the liquid with every bounce. At the same time, ripples from past bounces affect its course. The droplet's interaction with its own ripples, which form what's known as a pilot wave, causes it to exhibit behaviors previously thought to be peculiar to elementary particles - including behaviors seen as evidence that these particles are spread through space like waves, without any specific location, until they are measured." Pilot-wave theory reresurrected. Maybe something for the next "fundamental" :P physics RF?
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    And for the next 'Experimental Physics Stagiaire' position why not try to do "Unpredictable Tunneling of a Classical Wave-Particle Association" http://stilton.tnw.utwente.nl/people/eddi/Papers/PhysRevLett_TUNNEL.pdf, there are some rumors online that the results of Yves Couder Experiments can be reproduced with simple DIY vibrating tables! It is very funny to see the videos of the MIT's replication of this experiment (with lightening legends for those who are uncomfortable with the concepts involved https://www.youtube.com/watch?v=YF5iHQMjcsM)
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.
Thijs Versloot

The complete guide to listening to music at work - 3 views

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    Nine out of 10 workers perform better when listening to music, according to a new study that found 88pc of participants produced their most accurate test results and 81pc completed their fastest work when music was playing.
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    There's this website: https://www.focusatwill.com/ , which I used for some time. At some point I even subscribed for the paid version (more tracks, control over "intensity" of music). Unfortunately I realized I work the best in complete silence, which is tricky to get - occasionally I put on the white noise http://simplynoise.com/ which works quite well for me.
Thijs Versloot

Dark matter may have been detected - streaming from the sun's core - 2 views

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    An unusual signal picked up by a European space observatory could be the first direct detection of dark matter particles, astronomers say. The findings are tentative and could take several years to check, but if confirmed they would represent a dramatic advance in scientists' understanding of the universe.
Christophe Praz

An Arty Oculus Trip Through the Large Hadron Collider | WIRED - 2 views

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    "Collider is an arty audiovisual experience that provides a first-person perspective of a particle hurtling through the Large Hadron Collider"... with the use of the Leapmotion sensor and Oculus Rift hmd. Come to my desk if you wanna try it :) (not that fun actually)
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    we will come when you figure out how to capture a particle!!! or a dragonball, is the same
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