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WinRAR 4.20 Beta 1 (32-bit)RARLab - 1.44MB (Shareware) - |
WinRAR es una utilidad de archivero que soporta totalmente archivos RAR y ZIP y es capaz de descomprimir archivos CAB, ARJ, LZH, TAR, GZ, ACE, UUE, BZ2, JAR, ISO, 7Z, Z. Consecuentemente hace archivos más pequeños que la competencia, ahorra espacio en disco y los costos de transmisión.
WinRAR ofrece una interfaz gráfica interactiva utilizando el ratón y menús, así como la interfaz de línea de comandos. WinRAR es más fácil de utilizar que muchos otros archiveros ya que incluye la característica especial "Wizard" el modo que permite el acceso instantáneo a las funciones básicas del archivo a través de un sencillo proceso de preguntas y respuestas.
WinRAR te ofrece el beneficio de la industria fuerza archivo cifrado usando un algoritmo AES (Advanced Encryption Standard) con una llave de 128 bits. Es compatible con documentos y archivos de hasta 8.589 millones de gigabytes de tamaño. También ofrece la posibilidad de crear autoextracción y archivos en varios volúmenes. Con la recuperación grabada y los volúmenes de recuperación, se puede reconstruir inclusive archivos dañados físicamente.
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![Scientists are getting very close to creating an actual invisibility cloak, as separate research teams over the past week have revealed significant advancements in the area. From an invisibility cloak scaled up to be able to hide a person to a quantum invisibility cloak that can hide objects in time, there is no better moment for fans of H.G. Wells and the Harry Potter franchise than this one. The invisibility cloak that uses time was designed by Purdue University scientists. Unlike the spatial cloak we all saw in Harry Potter, this device uses time cloaking, a relatively new concept based on the idea that in some places in time, the things that happen are not picked up. Since nobody can tell that these things occurred, it’s like they never happened. The concept still has a long way to go before it turns into reality, although scientists have been able to cloak small electrical signals so far. The technology may be difficult to grasp, yet researchers think that if successful , it will be a major breakthrough in making quantum information computing and storage very successful. Another research team, meanwhile, detailed how to make an invisibility cloak to hide large objects, including a person. The New York University of Rochester scientists used a conventional arrangement of lenses and mirrors to drive the light around the area they want to hide from view. The human-scale cloak also manages the impressive feat of hiding items across the entire optical range. But it still faces one major problem: that is only works in one direction, which means the hidden object becomes visible if the viewpoint changes. Nonetheless, this large-scale cloak could be successfully used to hide satellites in orbit and other huge objects. And a Shanghai-based team of researchers unveiled another invisibility cloak which they claim can be adjusted to make items invisible from any line of sight. The scientists demonstrated the cloak by making a pet goldfish and a cat disappear. According to the Chinese team, the device may have important applications in security, surveillance and entertainment. http://www.youtube.com/watch?v=YNO9-DYCi2U With all the new ideas and research, it seems we will see an actual invisibility cloak in use very soon. What do you think of this technology? What would you do if you had your very own invisibility cloak? [Image via Mental floss]](http://cdn.techbeat.com/wp-content/uploads/2013/06/invisibility-harry-120x80.jpg)