Saturday, August 8, 2009

Metamaterial Revolution:
The New Science of Making Anything Disappear


Engineers are working with metamaterials to create super-microscopes, optical computers, and yes, invisibility cloaks.



Xiang Zhang remembers the day he recognized that something extraordinary was happening around him. It was in 2000, at a workshop organized by DARPA (the Defense Advanced Research Projects Agency) to explore a tantalizing idea: that radical new kinds of engineered materials might enable us to extend our control over matter in seemingly magical ways.

The goal at hand, changing how objects interact with light, seemed at first blush to be routine; people had been manipulating visible light with mirrors and lenses and prisms nearly forever.

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