Tuesday, 29 December 2009

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Security on mobile devices: Bluetooth Over the last few sales jobs months we are witnessing the emergence on the Internet, increasingly frequently, including War Nibbling terms, BlueSnarf, BlueJack or BlueBug, all referring to devices that incorporate Bluetooth technology, some of them are present in news mention (sometimes a little too alarmist tone) of new threats which affect mainly the latest models of mobile phones. Throughout this article, is to introduce the reader to these new threats, unknown to most users of mobile telephony, while introducing tools that facilitate the verification and / or operation of these threats. Bluetooth Technology While that still does not enjoy wide acceptance by users, perhaps even advocate the use of 802.11 wireless networks, Bluetooth technology is being adopted by a number of hardware manufacturers, winning each time a more popular. Designed with the idea of replacing the cables connecting the various electronic devices, fixed and / or portable with minimal intervention by the user. As to highlight key features, include its low complexity and a low power needs, which together with its low cost makes it ideal for a wide variety of artifacts. Bluetooth uses radio frequency link short-range, operating as it recruitment happens with WLAN devices in the 2.4 Ghz band.While most devices have limited its scope at distances less than 10 meters, the latest models that are emerging in the market have a maximum range of 100 meters (Class 1), being also the most power consuming. Perhaps for this reason it is becoming increasingly common inclusion recruiting of connection between the capabilities of the latest devices that are coming to market. Among those on one side are the latest models of mobile phones, PDA type agendas, laptops, access points, peripherals such as mice, keyboards and printers and on the other hand recruiter a whole string of multiple accessories...
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Minimally invasive dentistry (part I) Or as removing these small little defects that cause complexes us enormously. Not whether you have ever wondered where is the science of dentistry. Well, the answer is that our goal for the future will achieve the best outcomes for patients with minimal intervention on them, ie, we want to bring beauty without having to keep pulling, breaking and removing teeth, gums, teeth. This is the concept of minimally invasive Dentistry. But as a picture is worth a thousand words I bring examples to illustrate the concept perfectly: This first case is a man that had his mouth brushed perfectly healthy and continually, thinking that way was to eliminate that small crack of carious incisor. Within minutes, it was not necessary or anesthesia, we gave a great joy. That if we recommend further care for the mouth just as well. Here we can see a tooth that was a little closer, he had plenty of space between the front and back, what had caused the accumulation of food and the decay of these spaces. In the same session aesthetic add all the material needed to close the gap and heal the little tooth decay that appeared. And the last case is a funny thing: sometimes when we take a small hit or fell, the roots of teeth milk crown hits the final which is being established (though not completely hardened) leaving this kind of scar on the crown in the tooth enamel. If we find the ideal material the result is invisible, or what is the same, highly aesthetic. Finally encourage those / as to doubt that even as a small defect solve this type because, as we have seen, it takes more I thought that fixing them. A cordial greeting.'s Blog Alejandro Cardenas, dentist proud of Cortijos Marin district...