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New material, manufacturing process use sun’s heat for cheaper renewable electricity – News – Purdue University


Solar power accounts for less than 2 percent of U.S. electricity but could make up more than that if the cost of electricity generation and energy storage for use on cloudy days and at nighttime were cheaper.

 

A Purdue University-led team developed a new material and manufacturing process that would make one way to use solar power – as heat energy – more efficient in generating electricity.

The innovation is an important step for putting solar heat-to-electricity generation in direct cost competition with fossil fuels, which generate more than 60 percent of electricity in the U.S.

 

“Storing solar energy as heat can already be cheaper than storing energy via batteries, so the next step is reducing the cost of generating electricity from the sun’s heat with the added benefit of zero greenhouse gas emissions,” said Kenneth Sandhage, Purdue’s Reilly Professor of Materials Engineering.

 

The research, which was done at Purdue in collaboration with the Georgia Institute of Technology, the University of Wisconsin-Madison and Oak Ridge National Laboratory, published in the journal Nature.

 

A YouTube video is available at https://youtu.be/PMC3EE19ouw.

Sourced through Scoop.it from: www.purdue.edu

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NASA’s Kepler space telescope ends its planet-hunting mission


Astronomers are building instruments that can characterize the many alien worlds the Kepler spacecraft revealed—and look for signs of life.

 

One of Earth’s most venerable planet-hunters, NASA’s Kepler spacecraft, has gone quiet. On October 30th 2018, the space agency announced that after nearly a decade of staring at the stars, Kepler is out of fuel. Now, the spacecraft will stay in its Earth-trailing orbit, looping around the sun and never coming closer than a million miles from home.

 

 

Sourced through Scoop.it from: www.nationalgeographic.com

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The Artist Capturing How Industry is Transforming the Natural World


Edward Burtynsky’s photographs show surreal and sublime wastelands created by the industrial processes that are pushing the planet to its limits

Sourced through Scoop.it from: www.anothermag.com

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Scientists have finally confirmed the Milky Way has a supermassive black hole at its center


Scientists have finally confirmed that the massive object at the heart of our galaxy is, in fact, a supermassive black hole.

Researchers used the European Southern Observatory’s sensitive GRAVITY instrument on the Very Large Telescope (VLT) to observe infrared radiation flares coming from the accretion disc around Sagittarius A* — the massive object at the center of our galaxy. Scientists think that most galaxies have a supermassive black hole at their center, but they’d never before had the data and observations to prove it.

Sourced through Scoop.it from: www.astronomy.com

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Why Amazon reportedly wants to open 3,000 Automated Stores


Why Amazon reportedly wants to open 3,000 Automated StoresAmazon will reportedly open 3,000 physical stores within three years. Some stores will carry a small number of groceries and others will carry prepared foods. Amazon has the advantage of drawing on the vast amount of data they collect from cu

Sourced through Scoop.it from: www.technology-in-business.net

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