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Juxi Leitner

How I became a Foursquare cyberstalker | Technology | The Guardian - 0 views

  • Foursquare is now being widely touted as the app which will, after years of anticipation and prediction, mark the beginning of "life as a game" computing. Whatever you do, wherever you go, you will be scoring points, earning "medals", and be in, at the very least, social competition with other users around you.
  • Privacy seems to be very low down their priorities. In theory, if every user knows the risks, this is fine. But they just don't. It's being targeted at 18 to 25-year-olds. Facebook was forced in the end to change its default privacy settings due to public concerns. Foursquare should do the same. Some people are even checking in when they're at home. Think of the implications. It's crazy
  • Recruitment is a form of stalking, I suppose. But I can now see the negative implications of Foursquare in the real world.
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  • Ten days ago Foursquare reached the two-million-users landmark, just three months after it had reached the one-million mark. A week earlier, the company received $20m in venture capital from a who's who of Silicon Valley luminaries. It appears the trajectory for Foursquare is only upwards. But as the critical mass of Foursquare users swells and intensifies over the coming months and years, the concerns over privacy are likely to magnify. In June, Webroot, a Denver-based internet security firm, surveyed 1,645 users of "geo-location-ready mobile devices", including 624 in the UK: 29% said they shared their location with people other than their friends; 31% said they accepted a friend request from a stranger; and, yet, 55% still said they were worried about their loss of privacy.
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    anybody here using Foursquare already? Location is supposed to be "the future" (this time)
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    this is worse than having a mobile ... !
nikolas smyrlakis

Scientists Map Penguins From Space By Locating Their Feces - 0 views

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    in other words locating emperor pinguin shit from space
Annalisa Riccardi

Frog Calls Inspire a New Algorithm for Wireless Networks - 1 views

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    Oh, I like this one. One more point for swarm intelligence! :)
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    We could have come up with an inspiration like this !!! As creative as the roots :-) "These male amphibians use their calls to attract the female, who can recognise where it comes from and then locate the suitor. The problem arises when two males are too close to one another and they use their call at the same time. The females become confused and are unable to determine the location of the call. Therefore, the males have had to learn how to 'desynchronise' their calls or, in other words, not call at the same time in order for a distinction to be made."
Ma Ru

Learn to dock ATV the astronaut way - 3 views

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    "Two sets of [ ATV docking training for astronauts ] lessons are now available for the home user to try." And in case you wonder *where* in the earth are they available, the links are on the right-hand column (also known as ESA's scorn on usability). As usual for the material located there, I took me a few minutes to find them...
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    Well I tried and could not locate the app to download from these links and sent them a feedback on what I thought a wrong error - though the email bounced :-) So, what is the right link to the app then?
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    Leo, I'm not iEnabled, so I can't help you with the app. Using other links you can try the PC version (so 20th-century-ish, I know), of course assuming you have somewhere one with Internet Explorer :-)
Luís F. Simões

Ville Vivante: The Dynamic Dimension of Geneva - 3 views

  • Every mobile phone leaves digital traces permanently, while interacting with the mobile infrastructure. It can be seen as a mobile sensor that allows to define the geographic position of the subscription holder, almost in real-time.
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    beautiful and hypnotic, but I'd like to know exactly what it is they are visualizing. These don't seem to be the changes in people's locations during phone calls...
santecarloni

TacoCopter - Tacos Delivered Straight to Your Home With GPS Guided Quadcopters | Singul... - 3 views

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    Around since last July, the TacoCopter website suddenly grabbed the web's attention days ago with its claim that they will take your order via a smartphone and deliver tacos straight to your location with GPS-guided, unmanned quadcopters....
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    According to the picture of the quadrocopter, you end up being chased by four flying, GPS-guided rotating blades...
andreiaries

Mars Exploration Rover Mission: Press Releases - 6 views

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    "has a new capability to make its own choices about whether to make additional observations of rocks that it spots on arrival at a new location"
Joris _

Physicists Propose Scheme for Teleporting Light Beams - 0 views

  • it’s possible that a physical object (e.g. a quantum field) in one location could emerge at another location in the same quantum state
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    have to be carefull this article is really badly written. Teleportation is not some matter that disapear from somewhere to reappear somewhere else... Usually we talk about entangled particles (by essence quantum theory is non-local), and teleportation means that if you force (with a measurement) one particle to take a particular quantum state then the other one will have the same quantum state. There it seems that the same could be done with a quantum field, which is the second quantization of the quantum theory: the state of a quantum field can contain a mixture of n-particles states (meaning that the number of particles is not defined, only the mean value). If you measure the number of particle then you force the quantum field to "choose" a particular quantum state (which can be the vacuum). Teleportation means that you will have exactly the same measure on another quantum field, which is somehow intricated to your first one.
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.
jaihobah

Exposed subsurface ice sheets in the Martian mid-latitudes - 1 views

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    Some locations on Mars are known to have water ice just below the surface, but how much has remained unclear. Dundas et al. used data from two orbiting spacecraft to examine eight locations where erosion has occurred. This revealed cliffs composed mostly of water ice, which is slowly sublimating as it is exposed to the atmosphere. The ice sheets extend from just below the surface to a depth of 100 meters or more and appear to contain distinct layers, which could preserve a record of Mars' past climate. They might even be a useful source of water for future human exploration of the red planet.
fichbio

Silica deposits on Mars with features resembling hot spring biosignatures at El Tatio i... - 0 views

shared by fichbio on 24 Nov 16 - No Cached
Paul N liked it
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    Hydrothermal deposits on Mars may provide the best opportunity to find Martian biosignatures. Ruff and Farmer report that silica structures created by biotic and abiotic process in hot springs at El Tatio, Chile resemble those found in Gusev crater, thus making it an ideal location for future missions.
Lionel Jacques

Inductive charging for electric vehicles to be put to the test in real-world trial in B... - 0 views

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    The "Effizienzhaus-Plus mit Elektromobilität" (Google translation: House-Plus efficiency with electric mobility) project is a German government-backed initiative to build an energy-efficient house that generates more electricity than it consumes. It will see a family of four living in the house located in Berlin for fifteen months, starting in March 2012. Audi, BMW, Daimler, Opel and VW will each get a chance to put their respective electric vehicles to the test with each providing EVs to the house for periods of three months each.
annaheffernan

Energy Teleportation Overcomes Distance Limit - 0 views

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    The ability to teleport energy from one location to another could revolutionise the way quantum devices operate, but only if it can be made to work over practical distances. Now physicists think they know how.
Athanasia Nikolaou

Harvesting the plastic scattered in the ocean - 2 views

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    Plastic needs a timescale of millenia to dissolve in the ocean and in the meantime it is accumulated in the water due to systematic dumping of garbage in the ocean since decades. Deploying buoyant devices at the location of the gyres (permanent circular currents in the ocean) is proposed for collecting the thin particles. The ambitious concept was developped by a Delft student, presented at a TEDx (see link), made a feasibility study through crowdfunding and now announces a public contest for developing mechanical parts of the harvesting system.
Luís F. Simões

Noordwijk | Space Apps Challenge - 1 views

  • On the weekend of the 12 and 13 April 2014 ESA Business Incubation Centre Noordwijk and Verhaert Connect are proud to host the NASA International Space Apps Challenge in the European Space Innovation Centre Noordwijk.
  • Developers, designers, innovators all kinds of creative thinkers from all seven continents will come together for two days of creativity and computer coding to address challenges of global importance. This year we expect to have about 40 challenges that support NASA's mission directorates in five themes: Earth Watch, Technology in Space, Human Spaceflight, Robotics and Asteroids.
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    "Developers, designers, innovators all kinds of creative thinkers" aka "nerd objective-C programmers with no life"?
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    Well, the ACT actually proposed a few of the topics (BEWARE, THERE BE CUCUMBERS!). Some are not necessarily software based, like creating a LEGO model of the ExoMars rover (although they stripped LEGO from the challenge description and now it just says "create an ExoMars rover from hardware" ... ). Also we had no clue that they would host part of the challenge here at ESTEC - so our 5 or 6 challenges will all be hosted in Rome... ...
Thijs Versloot

HealthMap software flagged Ebola 9 days before outbreak announced - 0 views

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    HealthMap uses algorithms to scour tens of thousands of social media sites, local news, government websites, infectious-disease physicians' social networks and other sources to detect and track disease outbreaks. Sophisticated software filters irrelevant data, classifies the relevant information, identifies diseases and maps their locations with the help of experts.
Athanasia Nikolaou

Neural Networks (!) in OLCI - ocean colour sensor onboard Sentinel 3 - 3 views

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    Not easily digestible piece of esa document, but to prove Paul's point. And yes, they have already planned to train neural networks on a database of different water types, so that the satellite figures out from the combined retrieval of backscattering and absorption = f(λ) which type of water it is looking at. Type of water relates to οptical clarity of the water, a variable called turbidity. We could do this as well for mapping iron fertilization locations if we find its spectral signature. Lab time?????
jcunha

Maze-solving automatons can repair broken circuits - 1 views

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    Researchers in Bangalore, India together with the Indian Space Research organization come up with an intelligent self-healing algorithm that can locate open-circuits faults and repair them in real-time. They used an insulating silicon oil containing conductive particles. Whenever a fault happens, an electric field develops there, causing the fluid to move in a 'thermodynamic automaton' way repairing the fault. The researchers make clear it could be one advantage for electronics in harsh environments, such as in space satellites.
Nina Nadine Ridder

Carbon dioxide pools discovered in Aegean Sea - 1 views

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    The location of the second largest volcanic eruption in human history, the waters off Greece's Santorini are the site of newly discovered opalescent pools forming at 250 meters depth. The interconnected series of meandering, iridescent white pools contain high concentrations of carbon dioxide (CO 2) and may hold answers to questions related to deepsea carbon storage as well as provide a means of monitoring the volcano for future eruptions.
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    We were there last year, swimming in one of those 'healthy' mud pits..
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    250m and we did not know about them ??
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