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pacome delva

APOD: 2011 March 29 - Kepler s Suns and Planets - 0 views

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    Maybe one of these new world host some kind of life... ??
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    a chance of intelligent life at least there :-)
Thijs Versloot

Meet the electric life forms that live on pure energy - 3 views

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    Unlike any other living thing on Earth, electric bacteria use energy in its purest form - naked electricity in the shape of electrons harvested from rocks and metals. We already knew about two types, Shewanella and Geobacter. Now, biologists are showing that they can entice many more out of rocks and marine mud by tempting them with a bit of electrical juice. Experiments growing bacteria on battery electrodes demonstrate that these novel, mind-boggling forms of life are essentially eating and excreting electricity.
LeopoldS

Decline of giant impacts on Mars by 4.48 billion years ago and an early opportunity for... - 2 views

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    Life could have had much more time to evolve on mars than previously thought...
koskons

Evogeneao: The Tree of Life - 3 views

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    Beautiful interactive tree of life
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    A bit slow, but I finally could figure out the common ancestor of the nine-banded armadillo and the common ostrich!
LeopoldS

Schumpeter: More than just a game | The Economist - 3 views

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    remember the discussion I tried to trigger in the team a few weeks ago ...
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    main quote I take from the article: "gamification is really a cover for cynically exploiting human psychology for profit"
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    I would say that it applies to management in general :-)
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    which is exactly why it will never work .... and surprisingly "managers" fail to understand this very simple fact.
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    ... "gamification is really a cover for cynically exploiting human psychology for profit" --> "Why Are Half a Million People Poking This Giant Cube?" http://www.wired.com/gamelife/2012/11/curiosity/
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    I think the "essence" of the game is its uselessness... workers need exactly the inverse, to find a meaning in what they do !
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    I love the linked article provided by Johannes! It expresses very elegantly why I still fail to understand even extremely smart and busy people in my view apparently waiting their time in playing computer games - but I recognise that there is something in games that we apparently need / gives us something we cherish .... "In fact, half a million players so far have registered to help destroy the 64 billion tiny blocks that compose that one gigantic cube, all working in tandem toward a singular goal: discovering the secret that Curiosity's creator says awaits one lucky player inside. That's right: After millions of man-hours of work, only one player will ever see the center of the cube. Curiosity is the first release from 22Cans, an independent game studio founded earlier this year by Peter Molyneux, a longtime game designer known for ambitious projects like Populous, Black & White and Fable. Players can carve important messages (or shameless self-promotion) onto the face of the cube as they whittle it to nothing. Image: Wired Molyneux is equally famous for his tendency to overpromise and under-deliver on his games. In 2008, he said that his upcoming game would be "such a significant scientific achievement that it will be on the cover of Wired." That game turned out to be Milo & Kate, a Kinect tech demo that went nowhere and was canceled. Following this, Molyneux left Microsoft to go indie and form 22Cans. Not held back by the past, the Molyneux hype train is going full speed ahead with Curiosity, which the studio grandiosely promises will be merely the first of 22 similar "experiments." Somehow, it is wildly popular. The biggest challenge facing players of Curiosity isn't how to blast through the 2,000 layers of the cube, but rather successfully connecting to 22Cans' servers. So many players are attempting to log in that the server cannot handle it. Some players go for utter efficiency, tapping rapidly to rack up combo multipliers and get more
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    why are video games so much different than collecting stamps or spotting birds or planes ? One could say they are all just hobbies
jaihobah

Suburban space oddities | 1843 - 0 views

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    "The forecasts were the product of a series of "summer studies" led by NASA's Ames Research Centre and Stanford University, at which top academics, scientists, and engineers gathered to imagine how future space colonies could look. Artists gave life to the blueprints, producing a stunning series of images that look like a cross between CGI real-estate models (complete with would-be residents smugly sipping wine) and the fantastical worlds of Isaac Asimov."
santecarloni

How The Cost of Computation Restricts The Processes of Life - Technology Review - 1 views

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    "That's why silicon chips operate at temperatures hot enough to fry eggs." I stopped reading after this sentence... is the remaining part of the article equally scientifically (in)accurate?
santecarloni

Physicist Derives Laws of Thermodynamics For Life Itself - Technology Review - 2 views

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    The laws of thermodynamics must apply to self-replicating systems. Now one physicist has worked out how
santecarloni

Coherent Schrödinger's cat still confounds - physicsworld.com - 1 views

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    The famous paradox of Schrödinger's cat starts from principles of quantum physics and ends with the bizarre conclusion that a cat can be simultaneously in two physical states - one in which the cat is alive and the other in which it is dead. In real life, however, large objects such as cats clearly don't exist in a superposition of two or more states and this paradox is usually resolved in terms of quantum decoherence. But now physicists in Canada and Switzerland argue that even if decoherence could be prevented, the difficulty of making perfect measurements would stop us from confirming the cat's superposition.
johannessimon81

The complete walkthrough to the game of LIFE - 4 views

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    Awesome!
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    ridiculously stupid, have they just read BRave New World??
Marcus Maertens

Supernova Core Imaged For the First Time - 0 views

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    towards a better understanding about the fusion processes in the last moments of a star's life.
LeopoldS

David Miranda, schedule 7 and the danger that all reporters now face | Alan Rusbridger ... - 0 views

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    During one of these meetings I asked directly whether the government would move to close down the Guardian's reporting through a legal route - by going to court to force the surrender of the material on which we were working. The official confirmed that, in the absence of handover or destruction, this was indeed the government's intention. Prior restraint, near impossible in the US, was now explicitly and imminently on the table in the UK. But my experience over WikiLeaks - the thumb drive and the first amendment - had already prepared me for this moment. I explained to the man from Whitehall about the nature of international collaborations and the way in which, these days, media organisations could take advantage of the most permissive legal environments. Bluntly, we did not have to do our reporting from London. Already most of the NSA stories were being reported and edited out of New York. And had it occurred to him that Greenwald lived in Brazil?

    The man was unmoved. And so one of the more bizarre moments in the Guardian's long history occurred - with two GCHQ security experts overseeing the destruction of hard drives in the Guardian's basement just to make sure there was nothing in the mangled bits of metal which could possibly be of any interest to passing Chinese agents. "We can call off the black helicopters," joked one as we swept up the remains of a MacBook Pro.

    Whitehall was satisfied, but it felt like a peculiarly pointless piece of symbolism that understood nothing about the digital age. We will continue to do patient, painstaking reporting on the Snowden documents, we just won't do it in London. The seizure of Miranda's laptop, phones, hard drives and camera will similarly have no effect on Greenwald's work.

    The state that is building such a formidable apparatus of surveillance will do its best to prevent journalists from reporting on it. Most journalists can see that. But I wonder how many have truly understood
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    Sarah Harrison is a lawyer that has been staying with Snowden in Hong Kong and Moscow. She is a UK citizen and her family is there. After the miranda case where the boyfriend of the reporter was detained at the airport, can Sarah return safely home? Will her family be pressured by the secret service? http://www.bbc.co.uk/news/world-latin-america-23759834
Nicholas Lan

The truth IS out there: British scientists claim to have found proof of alien life - Sc... - 4 views

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    should we all go home then? apparently you just need a balloon
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    paper here: http://journalofcosmology.com/JOC22/MILTON%20ISOLATION_final.pdf Not the best journal out there, it seems: https://en.wikipedia.org/wiki/Journal_of_Cosmology They currently have an open call for papers on Astro-Theology ! :)
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    wow. the wiki page is hilarious. maybe i'll submit something
johannessimon81

Weather patterns on Exoplanet detected - 1 views

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    so it took us 70% of the time Earth is in the habitable zone to develop, would this be normal or could it be much faster? In other words, would all forms of life that started on a planet that originated at a 'similar' point in time like us, be equally far developed?
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    That is actually quite tricky to estimate rly. If for no other reason than the fact that all of the mass extinctions we had over the Earth's history basically reset the evolutionary clock. Assuming 2 Earths identical in every way but one did not have the dinosaur wipe-out impact, that would've given non-impact Earth 60million years to evolve a potential dinosaur intelligent super race.
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    The opposite might be true - or might not be ;-). Since usually the rate of evolution increases after major extinction events the chance is higher to produce 'intelligent' organisms if these events happen quite frequently. Usually the time of rapid evolution is only a few million years - so Earth is going quite slow. Certainly extinction events don't reset the evolutionary clock - if they would never have happened Earth gene pool would probably be quite primitive. By the way: dinosaurs were a quite diverse group and large dinosaurs might well have had cognitive abilities that come close to whales or primates - the difference to us might be that we have hands to manipulate our environment and vocal cords to communicate in very diverse ways. Modern dinosaur (descendents), i.e. birds, contain some very intelligent species - especially with respect to their body size and weight.
Athanasia Nikolaou

Science on Mars and Mars on Science - 0 views

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    Some sort of organic carbon has been detected by the sampling of Curiosity; the contamination source was isolated and the signal persists. The scientists suggest as a source meteorites transporting interstellar matter, or maybe some sort of ancient life whose biomass production only survived cosmic radiation as it was buried underground. a big deal: six relevant articles were published simultaneously online: http://www.sciencemag.org/site/extra/curiosity/index.xhtml?utm_content=&utm_medium=Facebook&utm_campaign=Science&utm_source=shortener
Beniamino Abis

Two Suns Could Boost Odds of Habitable 'Exomoons' - 1 views

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    The habitable zones of single stars are larger and wider as the temperatures increase. Although hotter stars have the widest regions where water can lie on the surface, they also have short lifetimes that limit the ability of life to evolve. Moons in close binary solar systems have a better chance of hosting life than those in single-star systems, new research has shown.
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    looks like the study Aurélie wanted to do ...
Tom Gheysens

Vitamin B3 might have been made in space, delivered to Earth by meteorites -- ScienceDaily - 0 views

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    Ancient Earth might have had an extraterrestrial supply of vitamin B3 delivered by carbon-rich meteorites, according to a new analysis. The result supports a theory that the origin of life may have been assisted by a supply of key molecules created in space and brought to Earth by comet and meteor impacts.
LeopoldS

Lunecase - Bring the back of your iPhone to life! by Concepter - Kickstarter - 6 views

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    wireless power transmission made useful ? this application did certainly not come to my mind when Guy Pignolet showed me 12 years ago how his handy would lid up a small diode after our first SPS meeting in Paris ...
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    Great idea to use either unused/wasted energy. Then again, the signal power (receiver floor) is steadily going down going from 3G to 5G, yet there might be more use of bandwidth to compensate this. It is funny though that you buy a device which could have the function build in it on the back from the start, yet you put a shell around it and then harness wireless power to give it that add-on functionality.
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    Recently I came across this article in a Japanese newspaper about wireless power transmission applications in the women beauty business. It's probably not as useful as an iPhone cover but apparently there is a market for such things! http://www.japantimes.co.jp/news/2014/04/18/business/led-nails-light-up-when-calling/#.U2OcWV7v2X8
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