Optical Legos: Building nanoshell structures

Scientists have created a way to use light-activated nanoshells as building blocks for 2-D and 3-D structures that could be useful for making chemical sensors, nanolasers and bizarre light-absorbing metamaterials. Much as a child might use Lego blocks to build 3-D models of complex buildings or vehicles, the scientists are using the new chemical self-assembly method to build complex structures that can trap, store and bend light.

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