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Made from solar concentrate

Solar cell absorbs high-energy light at 30-fold higher concentration than conventional cells

03-Sep-2015

By combining designer quantum dot light-emitters with spectrally matched photonic mirrors, a team of scientists with the Lawrence Berkeley National Laboratory and the University of Illinois created solar cells that collect blue photons with the highest luminescent concentration factor ever ...

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Distant planet's interior chemistry may differ from our own

03-Sep-2015

As astronomers continue finding new rocky planets around distant stars, high-pressure physicists are considering what the interiors of those planets might be like and how their chemistry could differ from that found on Earth. New work from a team including three Carnegie scientists demonstrates ...

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Tiny drops of early universe 'perfect' fluid

Results from collisions of 3-particle ions with gold nuclei reveal evidence of primordial soup's signature particle flow

03-Sep-2015

The Relativistic Heavy Ion Collider (RHIC), a particle collider for nuclear physics research at Brookhaven National Laboratory, smashes large nuclei together at close to the speed of light to recreate the primordial soup of fundamental particles that existed in the very early universe. ...

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Team harnesses intense X-ray beam, observes unusual phenomenon for the first time

02-Sep-2015

Using an enormous X-ray laser - one of only two such machines on Earth - University of Nebraska-Lincoln physicist Matthias Fuchs and scientists from around the world beat formidable odds to observe one of the most fundamental interactions between X-rays and matter. The findings can aid future ...

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Nothing but water: Hydrogen fuel cell unit to provide renewable power to Honolulu port

02-Sep-2015

A new chapter in clean energy is starting in Hawaii. At Young Brothers Ltd.'s Port of Honolulu facility, Sandia National Laboratories is leading the Maritime Hydrogen Fuel Cell project to test a hydrogen-fuel-cell-powered generator as an alternative to conventional diesel generators. The project ...

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An engineered surface unsticks sticky water droplets

02-Sep-2015

The leaves of the lotus flower have been the model for many types of engineered liquid-repelling surfaces. As slippery as these surfaces are, however, tiny water droplets still stick to them. Now, Penn State researchers have developed nano/micro-textured, highly slippery surfaces able to ...

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Using ultrathin sheets to discover new class of wrapped shapes

Materials researchers describe a new regime of wrapped shapes

02-Sep-2015

Materials scientists seeking to encapsulate droplets of one fluid within another often use molecules like soap or micro- or nano-particles to do it. One distinct way of wrapping a droplet is to use a thin sheet that calls on capillary action to naturally wrap a droplet in a blanket of film, but ...

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Seeing quantum motion

01-Sep-2015

Consider the pendulum of a grandfather clock. If you forget to wind it, you will eventually find the pendulum at rest, unmoving. However, this simple observation is only valid at the level of classical physics. However, quantum mechanics, state that nothing can quite be completely at rest. A team ...

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Artificial leaf harnesses sunlight for efficient fuel production

A new solar fuel generation system safely creates fuel from sunlight and water.

01-Sep-2015

Generating and storing renewable energy, such as solar or wind power, is a key barrier to a clean-energy economy. Over the past five years, researchers at Joint Center for Artificial Photosynthesis (JCAP) have made major advances toward this goal, and they now report the development of the first ...

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Evidence suggests subatomic particles could defy the standard model

Large Hadron Collider team finds hints of leptons acting out against time-tested predictions

31-Aug-2015

The Standard Model of particle physics, which explains most of the known behaviors and interactions of fundamental subatomic particles, has held up remarkably well over several decades. This far-reaching theory does have a few shortcomings, however - most notably that it doesn't account for ...

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