"Our country is safe now from the thugs, the thieves,Michael Kors Outlet," exclaimed one of Mr Zuma's supporters inside the packed hall.

The most insidious part of cyber warfare may be that while people are looking for a monumental type of attack,Michael Kors, they miss what is already happening. That, at least, is what some experts are arguing. Financial attacks happen on a daily basis, and there have been ongoing reports of targeted foreign attacks on American defence and aerospace companies. The government is also at direct risk: the Pentagon revealed it was the target of a massive 2008 cyber infiltration that officials linked to a foreign espionage agency.

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Steve Rayner of the Oxford Geoengineering Programme, UK,Michael Kors Outlet, says that there is no easy answer, but it would be "irresponsible for us not to explore the potential to understand the technologies as best we can".

"The ability to slow the light could be a tremendous force for telecoms that is sure to enhance speed and efficiency," says Professor Xiang Zhang, the University of California researcher who demonstrated cloaking earlier this week.