May 10, 2012

Can We Build an Invisibility Cloak?

Technology Review, Technology Review

AP Photo

Given the headlines associated with invisibility cloaks, you could be forgiven for thinking that a Star Trek-style cloaking device will be available in stores before the holiday season. Sadly, no. It's true that in recent years researchers have made great strides in their theoretical understanding of how these cloaks work and consequently built increasingly complex and impressive devices.

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TAGGED: defense technology, invisibility


Nano drones that an infantryman can pull out of his pocket; helicopters piloted by robots who extract wounded soldiers from the battlefield; micro satellites on demand; large spy balloons in the upper reaches of the stratosphere;... more ››