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Image: Erik Zumalt, The University of Texas at Austin Profs. Andrea Alù and Mikhail Belkin in the Department of Electrical and Computer Engineering at the Cockrell School of Engineering at The University of Texas at Austin have created a new nonlinear metasurface, or meta mirror, that could one day enable the miniaturization of laser systems.

Recent years have radically changed the way people socialize; in parts of the developed world that have good broadband and cellular penetration, the average person now spends more time on online social networks than on physical meetings with acquaintances outside their immediate family. “We were socializing before social networks,” Prof. Sujay Sanghavi states. “But now we can automatically capture fine details of social interaction, such as when someone views a photo and how they share and interact with the image.” The problem now is the issue of information overload.