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Each year, Technology Review selects what it believes are the 10 most important emerging technologies. The winners are chosen based on the editors’ coverage of key fields. The question that we ask is simple: is the technology likely to change the world? Some of these changes are on the largest scale possible: better biofuels, more efficient solar cells, and green concrete all aim at tackling global warming in the years ahead. Other changes will be more local and involve how we use technology: for example, 3-D screens on mobile devices, new applications for cloud computing, and social television. And new ways to implant medical electronics and develop drugs for diseases will affect us on the most intimate level of all, with the promise of making our lives healthier.

Year:

Peering into Video's Future

The Internet is about to drown in digital video. Hui Zhang thinks peer-to-peer networks could come to the rescue.

Nanocharging Solar

Arthur Nozik believes quantum-dot solar power could boost output in cheap photovoltaics.

Invisible Revolution

Artificially structured metamaterials could transform telecommunications, data storage, and even solar energy, says David R. Smith.

Personalized Medical Monitors

John Guttag says using computers to automate some diagnostics could make medicine more personal.

Single-Cell Analysis

Norman Dovichi believes that detecting minute differences between individual cells could improve medical tests and treatments.

A New Focus for Light

Kenneth Crozier and Federico Capasso have created light-focusing optical antennas that could lead to DVDs that hold hundreds of movies.

Neuron Control

Karl Deisseroth's genetically engineered "light switch," which lets scientists turn selected parts of the brain on and off, may help improve treatments for depression and other disorders.

Nanohealing

Tiny fibers will save lives by stopping bleeding and aiding recovery from brain injury, says Rutledge Ellis-Behnke.

Digital Imaging, Reimagined

Richard Baraniuk and Kevin Kelly believe compressive sensing could help devices such as cameras and medical scanners capture images more efficiently.

Augmented Reality

Markus Kähäri wants to superimpose digital information on the real world.

Past 10 Breakthrough Technologies Lists:

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