Agregador de noticias

MojoKid writes "NVIDIA is launching a new mainstream graphics card today, aimed at consumers in the market for a relatively low-cost upgrade from an integrated graphics solution or older entry-level GPU. The new GeForce GT 240, features a GPU with 96 processor cores, 8 ROP units, and 32 texture filtering units. The GPU is manufactured using a 40nm process, features a GDDR5 memory controller (that's also compatible with GDDR3), and unlike NVIDIA's current high-end GPUs, the GT 240 is DirectX 10.1 compatible. For $100 or less, what's perhaps most interesting is that this graphics card actually puts up respectable frame rates with AA turned on and no external power needed beyond what a standard PCIe slot provides."

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eldavojohn writes "2009 has been an interesting year for NASA — from a new strategy to even closer ties with an old enemy. So it's perhaps no surprise that NASA has publicly stated that they are ready to team up with China. NASA Chief Charles Bolden said, 'I am perfectly willing, if that's the direction that comes to me, to engage the Chinese in trying to make them a partner in any space endeavor. I think they're a very capable nation. They have demonstrated their capability to do something that only two other nations that have done — that is, to put humans in space. And I think that is an achievement you cannot ignore. They are a nation that is trying to really lead. If we could cooperate we would probably be better off than if we would not.' While the budget of the China National Space Administration is a fraction of NASA's, partnering with them has been considered since 2008. In possibly related news, rumors are circulating of the Obama administration cutting NASA's budget by ten percent for fiscal year 2011 despite the success of Monday's Atlantis launch. Considering the Augustine panel's recommendations, such a cut could halt US human space flight for a decade."

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theodp writes "Over at the Center on Budget and Policy Priorities, Michael Mazerov carefully picks apart Amazon's arguments against collecting sales taxes, arguing that they simply do not withstand scrutiny. While Amazon officials say collecting sales tax in every state would be excessively burdensome, Mazerov notes the e-tailer already collects sales tax in virtually every state for numerous other companies that sell on its website. Mazerov also finds it disingenuous for Amazon to argue that it should not have to help support public services in states in which it has no physical presence when the company fails to support public services in most of the states in which it does have a physical presence. Finally, Mazerov isn't buying Amazon's argument that its opposition to collecting sales tax is not driven by a desire to gain a price advantage over competitors, which he finds at odds with the company's own actions and SEC filings. By claiming sales-tax immunity, says Mazerov, Amazon has enjoyed an unfair 5%-10% price advantage over local retailers, while also depriving states and localities of hundreds of millions of dollars of legally due revenue each year."

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MikeChino writes "Sifting through minefields to remove hidden threats is a dangerous, tedious, and expensive process. Scientists at the University of Edinburgh recently announced that they have engineered a strain of bacteria that glows green in the presence of explosives, making mine detection a snap. The new strain of bacteria can be sprayed onto local affected areas or air-dropped over entire fields of mines. Within a few hours the bacteria strain begins to glow wherever traces of explosive chemicals are present."

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AdamWill writes "The Fedora Project is pleased to announce the release of Fedora 12 today. With all the latest open source software and major improvements to graphics support, networking, virtualization and more, Fedora 12 is one of the most exciting releases so far. You can download it here. There's a one-page guide to the new release for those in a hurry. The full release announcement has details on the major features, and the release notes contain comprehensive information on changes in this new release. Known issues are documented on the common bugs page."

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eldavojohn writes "The apocalyptic film 2012 has dominated the box office, taking in $65 million on opening weekend. But with all those uninformed eyeballs watching the film, NASA has found itself answering so many common questions that their Ask an Astrobiologist blog offers calming, professional reassurance that there is no planet Nibiru, nor will it collide with Earth (although I do recall a massive solar storm forecast). NASA's main site even offers a FAQ answering similar questions. NPR has more on NASA scientist David Morrison and his efforts to calm the ensuing public hysteria, but survivalists are already planning for the big one. Pretty funny, right? Not according to Morrison: 'I've had three from young people saying they were contemplating committing suicide. I've had two from women contemplating killing their children and themselves. I had one last week from a person who said, "I'm so scared, my only friend is my little dog. When should I put it to sleep so it won't suffer?" And I don't know how to answer those questions.'"

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CNETNate writes "Do Opera Mobile, Skyfire, or Mozilla's Fennec have the power to take down the BlackBerry browser, IE on Windows Mobile, or Safari on the iPhone? This lengthy test aimed to find out. Speed, Acid3 compliance, JavaScript rendering capabilities, and general subjective usability were all tested and reviewed. So were Opera Mini and the default Symbian browser, but these two were unable to complete some of the tests and benchmarks."

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judgecorp writes "UK company Iceotope has launched liquid-cooling technology which it says surpasses what can be done with water or air-cooling and can cut data centre cooling costs by up to 93 percent. Announced at Supercomputing 2009 in Portland, Oregon, the 'modular Liquid-Immersion Cooled Server' technology wraps each server in a cool-bag-like device, which cools components inside a server, rather than cooling the whole data centre, or even a traditional 'hot aisle.' Earlier this year, IBM predicted that in ten years all data centre servers might be water-cooled." Adds reader 1sockchuck, "The Hot Aisle has additional photos and diagrams of the new system."

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eldavojohn writes "Uranium mines provide us with 40,000 tons of uranium each year. Sounds like that ought to be enough for anyone, but it comes up about 25,000 tons short of what we consume yearly in our nuclear power plants. The difference is made up by stockpiles, reprocessed fuel and re-enriched uranium — which should be completely used up by 2013. And the problem with just opening more uranium mines is that nobody really knows where to go for the next big uranium lode. Dr. Michael Dittmar has been warning us for some time about the coming shortage (PDF) and has recently uploaded a four-part comprehensive report on the future of nuclear energy and how socioeconomic change is exacerbating the effect this coming shortage will have on our power consumption. Although not quite on par with zombie apocalypse, Dr. Dittmar's final conclusions paint a dire picture, stating that options like large-scale commercial fission breeder reactors are not an option by 2013 and 'no matter how far into the future we may look, nuclear fusion as an energy source is even less probable than large-scale breeder reactors, for the accumulated knowledge on this subject is already sufficient to say that commercial fusion power will never become a reality.'"

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buzzboy writes "If you're wondering what the folks over at KDE have been cooking up for the next major release, KDE 4.4, well, quite a bit as it turns out. In a lengthy interview, KDE core developer and spokesperson for the project Sebastian Kugler details the myriad changes that are coming with the 4.4 release — the fifth major release since KDE 4.0 debuted to much criticism nearly two years ago. The project has closed about 18,000 bugs over the past six months and the pace of development is snowballing. The 'heavy-lifting' in libraries and frameworks for 4.0 is now starting to pay off. Perhaps the biggest change is in the development of a semantic desktop. According to Kugler, 'If you tag an image in your image viewer, the tag becomes visible in your desktop search. That's how it should be, right?' There is also a picture gallery of KDE 4.4 (svn) screenshots so you can see what it will look like."

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think_nix writes "The Pirate Bay has shut down their BitTorrent tracker. Instead TPB is now using Distributed Hash Table to distribute the torrents. The Pirate Bay Blog states that DHT along with PEX (Peer Exchange) Technology is just as effective if not better for finding peers than a centralized service. The Local reports that shutting down the tracker and implementing DHT & PEX could be due to the latest court rulings in Sweden against 2 of TPB's owners, and may decide the outcome of the case."

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think_nix writes "The Pirate Bay has shut down their BitTorrent tracker. Instead TPB is now using Distributed Hash Table to distribute the torrents. The Pirate Bay Blog states that DHT along with PEX (Peer Exchange) Technology is just as effective if not better for finding peers than a centralized service. The Local reports that shutting down the tracker and implementing DHT & PEX could be due to the latest court rulings in Sweden against 2 of TPB's owners, and may decide the outcome of the case."

Read more of this story at Slashdot.

CNet reports on hearings scheduled to open tomorrow in the US Senate on mysterious charges on thousands of consumers' credit cards. The Senate Committee on Commerce, Science and Transportation has been investigating online loyalty programs, which shoppers encounter (often with little comprehension) on the sites of online retailers such as as Continental Airlines, FTD, and Classmates.com. "At the center of the federal probe are Webloyalty, Affinion, and Vertrue, companies that make 'cash-back' and coupon offers to consumers and charge them monthly fees to enroll in their loyalty programs. ... In August, as the government's investigation rolled on, Webloyalty announced that it would alter its ads to require that consumers 'enter the last four digits of their credit or debit card to confirm' they wish to pay the membership fees. Last week, Affinion made similar changes. During the hearing, when the Senate committee is expected to make public the results of a six-month investigation, it will also likely say the alterations made by Webloyalty and Affinion don't go far enough. "

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Si de casualidad no se trata de un fake (un engaño), entonces es la barba más impresionante que he visto jamás. Por desgracia, las probabilidades de que esto sea falso son, digamos, del 99.9 por ciento, ¡pero las historias de Asimov también son falsas y no por eso resultan menos divertidas!

…y chequen el detalle final… ¡hilarante!

Duración del video: 40 segundos

Link al video en YouTube

Copyright 2007-2009 Tecnoculto, Blog de Tecnologia, Cultura y Puntos Intermedios.

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¡Santas Barbas, Batman!

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RobGoldsmith sends in a Space Fellowship piece (which seems to be a press release) about New Zealand's entry into the space age. "Private New Zealand aerospace company Rocket Lab completed its final ground-based test today and is now ready to launch New Zealand into the space race with its Atea-1 launch vehicle. The first high-altitude launch of Atea-1 is scheduled for the end of November this year. Once Atea-1 has successfully concluded the development phase it will be the first privately built rocket launched from the Southern Hemisphere to enter space. The article features a new CGI movie on the launch."

Read more of this story at Slashdot.

Hace un par de años, escribí un artículo en este blog sobre El Acre de la Muerte, una instalación forense en la Universidad de Tennessee (a la que llaman también “La Granja de Cuerpos”) cuyo único objetivo es investigar lo que sucede con los cuerpos humanos tras la muerte: La forma en que se descomponen, cómo los afecta la temperatura, los bichos que se alimentan de ellos y, en general, todo aquello que puede pasarle a un cadáver tras la muerte.

El creador de un proyecto tan “interesante” es el Dr. Bill Bass, un pionero en su campo y cuyas investigaciones han ayudado de forma inigualable a los profesionales de las ciencias forenses, quienes usan los conocimientos generados por Bass y sus ayudantes para resolver crímenes. Es difícil leer un libro de Medicina Forense que no incluya decenas (o cientos) de referencias al trabajo de Bass.

Bueno, pues además de haber escrito cientos de artículos científicos y varios libros sobre la materia, el Dr. Bass ha incursionado en el terreno de la ficción con un éxito arrollador.

Sus novelas son mitad reales y mitad ficción, ya que muchos de los casos que relata en ellas sucedieron efectivamente y están basados en investigaciones que el Dr. Bill Bass ha realizado. El personaje principal (un autorretrato de Bass) se llama Bill Brockton y es, igual que su creador, un antropólogo forense (al estilo de las novelas de Kathy Reichs, cuyos libros sirvieron de base para la serie de televisión Bones) que investiga y resuelve casos mediante sus conocimientos científicos, pero que se muestra humano, falible y hasta ingenuo. Un personaje muy atractivo.

Otra cosa curiosa sobre las novelas de Bass es que las escribe en conjunción con el escritor Jon Jefferson y, para dar crédito a su colaborador, ha creado el pseudónimo Jefferson Bass (Jon Jefferson + Bill Bass).

The Devil’s Bones es la tercera de las cuatro novelas que ha escrito esta pareja, y recientemente he terminado de leerla. Por desgracia, parece que ninguno de sus libros ha sido traducido al español, pero si se llevan bien con el inglés y les gustan las historias tipo CSI, deben leer este libro. No son muchas las ocasiones en las que la principal autoridad mundial en la materia crea, además de sesudos papers, apasionantes relatos policiacos en los que, además de divertirnos, aprendemos una que otra cosa.

Copyright 2007-2009 Tecnoculto, Blog de Tecnologia, Cultura y Puntos Intermedios.

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The Devil’s Bones, de Jefferson Bass

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75th Trombone writes "I'm a fan of several old PC games — the Myst series, StarCraft, Diablo, etc — with 2D graphics that run at a low, fixed resolution. These games all look horrible on modern LCDs. If you run them at their original resolution, they're tiny, and if you upscale them they get all sorts of blurry, pixelly smoothing artifacts. My ideal goal is to run these games at exactly double their original resolution — running 640 x 480 games at 1280 x 960, for example — so that each original pixel takes up exactly a 2 x 2 block of screen pixels, yielding graphics that are perfectly crisp and decently big. I've tried arcane settings in graphics card drivers (new and old), I've tried forcing the OS to run at a given resolution, and I've tried PowerStrip, all to no avail. Short of writing a new, modern engine for my favorite games, is there a reasonable solution to this problem?" There have been many community-supported graphical overhauls of classic games — feel free to share any you know to work well.

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destinyland writes "A science writer discovered it's possible to finance your cryogenic preservation using life insurance — and then leave a huge death benefit to your future thawed self. From the article, 'Most in the middle class, if they seriously want it, can afford it now. So by taking the right steps, you can look forward to waking up one bright future morning from cryopreservation the proud owner of a bank account brimming with money!' There's one important caveat: some insist that money 'will have no meaning in a future dominated by advanced molecular manufacturing or other engines of mega-abundance.'"

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A short post on this topic.

Alexander Limi has a post describing a simple way that web sites could improve their performance: by putting images, css and other static resources in a .zip file for downloading. He’s asking for feedback on the topic. If the feedback is good we’re likely to try and get this implemented for Firefox 3.7.

If you’re a web developer and you have a comment, please put it in his weblog post. Thanks! (Comments are closed here.)