пятница, 8 июня 2012 г.

NANODYROKOL: OSMOTIC EXPLOSIONS





A new method for creating materials with nanopores. It is distinguished by simplicity, scalability and industrial applications.
Modern methods of creating materials with nanoscale pores suggest the presence of two components: one is the foundation of the future of the porous sample, and the second one way or another, removed from the bulk material, freeing up space then. To have turned through- pores, remove substances must permeate the material of continuous filaments, always touching the surface of. Otherwise, it will not be able to completely withdraw from the structure.

But the new study, published on November 27 in the journal Nature, has allowed to demonstrate a more efficient and flexible method for creating porous nanostructures. This approach is called ... Researchers from Cambridge University have shown how to use the osmotic forces can be obtained nanopores, even if the removed component is completely encapsulated in the bulk material.

Lead author of the project, Isan Sivaniya (Easan Sivaniah), explains the essence of the process of COS as follows: ... If it is put into fresh water, salt will not be able to leave the ball, but fresh water is fully capable to get inside that she is doing to reduce the salt concentration inside the. The more water comes in, the more inflated balloon, and eventually it breaks ...





... Left oral osmotic attacks are connected to each other and with the surface of the material, allowing the substance impurities come out and creating a through- pores ...

Researchers have demonstrated the high efficiency obtained by this method the filter at removing particles from water dyes ( malachite green and methyl orange ). As the basic substance acted polystyrene, recycled - acrylic and solvent - acetic acid. The resulting process of COS material consisted of multiple layers of polystyrene thickness of about 65 nm, connected by ... The surface of the material was covered with pores whose size, according to scientists who were 1-2 nm.

Another possible application of the technology - the creation of multi-layer materials with unusual optical properties - was considered in conjunction with experts in photonics and optoelectronics from the University of Seville and the Cavendish Laboratory, which operates and Dr. Sivaniya. Such materials can be used to create sensors that change color when the absorption of trace ( very small) amounts of chemicals.

The authors believe that technology obtained from COS materials can also be used in the manufacture of light emitting devices, fuel cells, solar cells and electrodes for supercapacitors.

вторник, 5 июня 2012 г.

суббота, 2 июня 2012 г.

Why the FSB told about Skype

Statement by the FSB on the unregulated Gmail, Hotmail and Skype could be a tricky maneuver, even a child knows the FSB or the cops do not have faith as they have neither conscience nor honor.
And the news had spread through the Internet that Microsoft buys Skype, could have gbeshnikov have contacts and arrangements with the company Microsoft?.
For nearly three days have passed, and the exact answer to the question of what it was, and is not. Yes, probably, will not be given the opportunity, which raised questions. I'm talking about Friday's statement, Chief Information Security Center and special communication spy Alexander Andreechkina. Services such as Gmail, Hotmail and Skype, said Mr. Andreechkin, with ... They say there used reliable foreign encryption software, which greatly complicates the operational activities. Calling a spade a spade - lustration.

Perhaps it is. Just why did the powerful ( in theory ) to publicly sign a special service of helplessness? . And here, therefore, it appears that no such devices that allow criminals to monitor the negotiations on Skype, there is no. Weird, is not it?.

Surprisingly, however, quickly disappears - as soon as you realize that the level of experts Alexander Andreechkina can not afford to blurt out something without thinking in public. In statements likely were their goals, and they are unlikely to lie in the fact that once again just check the reaction of the freedom-loving public to attempt to take away her favorite internet services. The people against - unless someone comnevaetsya? .

The well-known internet activist Anton Nosik assumed that the noise about the possible ( and in fact impossible ) ban Gmail, Hotmail and Skype are raised to cover under its quietly introduce some less obvious obstacles for e-business. Entrepreneur Igor Ashmanov explained that the fight against professional hackers and spies restrictions on overseas postal services and Skype still does not help, therefore, the FSB in this case is interested in monitoring the mail and the profane in the negotiation of conspiracy.

Both arguments are convincing. Should, in my opinion, they add just a little - from the point of view, I apologize for kantselyarizm, motivation and actualization. Why surveillance of mail and talks ordinary citizens? . Why do I say this publicly, that Gmail, Hotmail and Skype are not under the control? . Although in reality it is likely that the situation is the opposite.

Tell me if you have real problems with the FSB control of Internet services - is secret or not? . After all, ... Do you remember? . Mitnick ...

In general, it is easy to imagine that the following statements about the lack of control Andreechkina mail and ... And there for them already ... In such a conspiracy can not believe it, but then you have to believe in the notes of despair expressed in the statement of the main communicator of the FSB. That 's more like the truth, once and can not be said.






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