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Artificial neural network resolves puzzles from condensed matter physics

Which is the perfect quantum theory?

16-Jul-2019

For some phenomena in quantum many-body physics several competing theories exist. But which of them describes a quantum phenomenon best? A team of researchers from the Technical University of Munich (TUM) and Harvard University in the United States has now successfully deployed artificial neural ...

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Computing faster with quasi-particles

13-May-2019

In collaboration with researchers from Harvard University, researchers from the University of Würzburg have made an important step on the road to topological quantum computers. Majorana particles are very peculiar members of the family of elementary particles. First predicted in 1937 by the ...

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A reconfigurable soft actuator

Transforming flat elastomers into 3D shapes

06-Feb-2019

Mechanical systems, such as engines and motors, rely on two principal types of motions of stiff components: linear motion, which involves an object moving from one point to another in a straight line; and rotational motion, which involves an object rotating on an axis. Nature has developed far ...

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Broadband achromatic metalens focuses light regardless of polarization

New design doubles the efficiency of the metalens

23-Jan-2019

We live in a polarized world. No, we aren't talking about politics -- we're talking about light. Much of the light we see and use is partially polarized, meaning its electric field vibrates in specific directions. Lenses designed to work across a range of applications, from phone cameras to ...

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Meta-surface corrects for chromatic aberrations across all kinds of lenses

Single-layer surface of nanostructures can be incorporated into commercial optical systems

23-Nov-2018

Today's optical systems -- from smartphone cameras to cutting-edge microscopes -- use technology that hasn't changed much since the mid-1700s. Compound lenses, invented around 1730, correct the chromatic aberrations that cause lenses to focus different wavelengths of light in different spots. ...

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Making data matter

A multimaterial, voxel-printing method turns imaging datasets into physical objects

13-Jun-2018

The world is awash in digital images, from photographs to x-rays to computer models to 3D scans. The advent of 3D printing has made it possible to take imaging data and print it into physical representations, but the process of doing so has been prohibitively time-intensive and costly. A new data ...

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Tiny spiders, big color

15-May-2018

There's plenty that's striking about Phoroncidia rubroargentea, a species of spider native to Madagascar, starting with their size - at just three millimeters, they're barely larger than a few grains of salt. But the reason they caught Sarah Kariko's eye had more to do with their color. Unlike ...

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Speeding up material discovery

Algorithm take months, not years, to find material for improved energy conversion

27-Apr-2018

In even the most fuel-efficient cars, about 60 percent of the total energy of gasoline is lost through heat in the exhaust pipe and radiator. To combat this, researchers are developing new thermoelectic materials that can convert heat into electricity. These semiconducting materials could ...

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Combining metalens with an artificial muscle

27-Feb-2018

Inspired by the human eye, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed an adaptive metalens, that is essentially a flat, electronically controlled artificial eye. The adaptive metalens simultaneously controls for three of the major ...

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Catalyzing carbon dioxide

08-Dec-2017

On any given day, more than 2 million pounds of carbon dioxide are pumped into the atmosphere from factories, emissions from cars and trucks and the burning of coal and natural gas to generate electricity. For many, it's a cause for environmental concern, but for Haotian Wang, it's the perfect ...

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