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Preview: Brightsurf Science News :: Renewable Energy News

Renewable Energy Current Events and Renewable Energy News from Brightsurf

Renewable Energy Current Events and Renewable Energy News Events, Discoveries and Articles from Brightsurf

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Balancing nuclear and renewable energy

Wed, 25 Apr 18 00:06:20 -0700

Argonne researchers explore the benefits of adjusting the output of nuclear power plants according to the changing supply of renewable energy such as wind and solar power.

Controlled nuclear transition will make clocks hugely more precise than atomic ones

Tue, 24 Apr 18 00:08:30 -0700

A Russian scientist from Skobelitsyn Research Institute of Nuclear Physics, MSU theoretically substantiated that the speed of transition of thorium-229 from ground to excited state may be managed depending on external conditions. The frequency of transitions may be increased or decreased by dozens of times. This effect will help create extremely precise clocks exceeding even the best atomic ones. The article was published in Physical Review Letters journal.

Organic solar cells reach record efficiency, benchmark for commercialization

Mon, 23 Apr 18 00:08:40 -0700

In an advance that makes a more flexible, inexpensive type of solar cell commercially viable, University of Michigan researchers have demonstrated organic solar cells that can achieve 15 percent efficiency.

New control strategy helps reap maximum power from wind farms

Mon, 23 Apr 18 00:12:30 -0700

Researchers from the University of Texas at Dallas developed a way to extract more power from the wind. The researchers used supercomputers at the Texas Advanced Computing Center to filter out the effects of turbulence and apply control algorithms that can better manage the operation of wind farms. The approach has the potential to increase wind power generation by 6-7 percent with a estimated increase in revenue of more than $600 million nationwide.

Neutrons provide insights into increased performance for hybrid perovskite solar cells

Mon, 23 Apr 18 00:13:10 -0700

Neutron scattering at Oak Ridge National Laboratory has revealed, in real time, the fundamental mechanisms behind the conversion of sunlight into energy in hybrid perovskite materials. A better understanding of this behavior will enable manufacturers to design solar cells with significantly increased efficiency.

Liquid cell transmission electron microscopy makes a window into the nanoscale

Mon, 23 Apr 18 00:15:00 -0700

From energy materials to disease diagnostics, new microscopy techniques can provide more nuanced insight. Researchers first need to understand the effects of radiation on samples, which is possible with a new device developed for holding tightly sealed liquid cell samples for transmission electron microscopy.

Middle East energy subsidy reform updates 'patronage-based autocratic governance'

Mon, 23 Apr 18 00:15:20 -0700

A series of converging trends provided political cover for the reforms of long-standing energy subsidies launched by oil-exporting states in the Middle East and North Africa, according to a new paper by an expert in the Center for Energy Studies at Rice University's Baker Institute for Public Policy. These subsidies are thought to be an important source of legitimacy for autocratic regimes.

Earth BioGenome Project aims to sequence genomes of 1.5 million species

Mon, 23 Apr 18 00:01:00 -0700

An international consortium of scientists is proposing a massive project to sequence, catalog and analyze the genomes of all eukaryotic species on the planet, an undertaking the researchers say will take 10 years, cost $4.7 billion and require more than 200 petabytes of digital storage capacity. Eukaryotes include all organisms except bacteria and archaea. There are an estimated 10-15 million eukaryotic species on Earth.

ASU team discovers a new take on early evolution of photosynthesis

Mon, 23 Apr 18 00:06:20 -0700

A team of scientists from Arizona State University's School of Molecular Sciences has begun re-thinking the evolutionary history of photochemical reaction centers (RCs). Their analysis was recently published online in Photosynthesis Research and describes a new pathway that ancient organisms may have taken to evolve the great variety of photosynthetic RCs seen today across bacteria, algae, and plants. The study will go into print later this summer in a special issue dedicated to photochemical reaction centers.

Slower calorie burn in pregnancy may mean more retained baby weight in obese black moms

Sun, 22 Apr 18 00:14:40 -0700

Differences in the way women with obesity burn calories during pregnancy may be a contributor to long-term postpartum weight retention in black moms. The findings, which suggest a need for more individualized pregnancy weight gain recommendations for obese women, will be presented today at the APS annual meeting at Experimental Biology 2018 in San Diego.

Energy conversion: Optical 'overtones' for solar cells

Thu, 19 Apr 18 00:09:30 -0700

NIM scientists from Ludwig-Maximilians-Universitaet (LMU) in Munich have found a new effect regarding the optical excitation of charge carriers in a solar semiconductor. It could facilitate the utilization of infrared light, which is normally lost in solar devices.

Rare earth magnet recycling is a grind -- this new process takes a simpler approach

Thu, 19 Apr 18 00:05:20 -0700

A new recycling process developed at the US Department of Energy's Critical Materials Institute turns discarded hard disk drive magnets into new magnet material in a few steps, and tackles both the economic and environmental issues typically associated with mining e-waste for valuable materials.

KAIST develops sodium ion batteries using copper sulfide

Tue, 17 Apr 18 00:11:10 -0700

A KAIST research team recently developed sodium ion batteries using copper sulfide anode. This finding will contribute to advancing the commercialization of sodium ion batteries (SIBs) and reducing the production cost of any electronic products with batteries.

Surrey creates new tool to speed up the design of wearable tech

Tue, 17 Apr 18 00:01:20 -0700

People could soon power items such as their mobile phones or personal health equipment by simply using their daily movements, thanks to a new research tool that could be used by manufacturers.

Army research rejuvenates older zinc batteries

Tue, 17 Apr 18 00:07:30 -0700

Army scientists, with a team of researchers from the University of Maryland and the National Institute of Standards and Technology, have created a water-based zinc battery that is simultaneously powerful, rechargeable and intrinsically safe.

Some superconductors can also carry currents of 'spin'

Mon, 16 Apr 18 00:12:10 -0700

Researchers have shown that certain superconductors -- materials that carry electrical current with zero resistance at very low temperatures -- can also carry currents of 'spin'. The successful combination of superconductivity and spin could lead to a revolution in high-performance computing, by dramatically reducing energy consumption.

Thin film converts heat from electronics into energy

Mon, 16 Apr 18 00:11:00 -0700

Engineers at the University of California, Berkeley, have developed a thin-film system that can be applied to sources of waste heat to produce energy at levels unprecedented for this kind of technology.

When nuclei catch up with electrons

Mon, 16 Apr 18 00:00:20 -0700

In an attosecond study of the H2 molecule physicists at ETH Zurich found that for light atomic nuclei -- as contained in most organic and biological molecules -- the correlation between electronic and nuclear motions cannot be ignored.

Tungsten 'too brittle' for nuclear fusion reactors

Fri, 13 Apr 18 00:08:30 -0700

Researchers find tungsten -- a favored choice of metal within the reactor -- is liable to become brittle, leading to failure.

Psst! A whispering gallery for light boosts solar cells

Fri, 13 Apr 18 00:10:20 -0700

Trapping light with an optical version of a whispering gallery, researchers at the National Institute of Standards and Technology (NIST) have developed a nanoscale coating for solar cells that enables them to absorb about 20 percent more sunlight than uncoated devices.

Scientists use machine learning to speed discovery of metallic glass

Fri, 13 Apr 18 00:14:20 -0700

Blend two or three metals together and you get an alloy that usually looks and acts like a metal, with its atoms arranged in rigid geometric patterns. But once in a while, under just the right conditions, you get something entirely new: a futuristic alloy called metallic glass. Now new research reports a shortcut for discovering and improving metallic glass -- and, by extension, other elusive materials -- at a fraction of the time and cost.

To starve pancreatic tumors, researchers seek to block 'self-eating,' other fuel sources

Fri, 13 Apr 18 00:15:00 -0700

UNC Lineberger Comprehensive Cancer Center researchers and their collaborators are reporting preclinical findings for a potential two-treatment strategy to block multiple mechanisms of cancer cell metabolism in pancreatic cancer at the American Association for Cancer Research Annual Meeting in Chicago. The findings will be presented from 8 a.m. to noon on Wednesday.

The raw power of human motion

Thu, 12 Apr 18 00:05:20 -0700

Standalone power modules that harvest and convert vibrations from their surroundings into electricity could soon fuel future microsystems.

How mitochondria cope with too much work

Thu, 12 Apr 18 00:02:00 -0700

Researchers have uncovered a mechanism by which mitochondria, essential organelles within cells that create energy, cope with an overload of imported proteins.

Energy injustice? Cost, availability of energy-efficient lightbulbs vary with poverty levels

Wed, 11 Apr 18 00:00:20 -0700

Energy-efficient lightbulbs are more expensive and less available in high-poverty urban areas than in more affluent locations, according to a new University of Michigan study conducted in Wayne County.

The thermodynamics of computing

Wed, 11 Apr 18 00:01:30 -0700

Information processing requires a lot of energy. Energy-saving computer systems could make computing more efficient, but the efficiency of these systems can't be increased indefinitely, as ETH physicists show.

Swansea scientists discover greener way of making plastics

Wed, 11 Apr 18 00:03:00 -0700

A new catalyst that allows for the conversion of the green house gas carbon dioxide to an industrial precursor for many plastics has been developed by scientists in the Energy Safety Research Institute at Swansea University as an alternative to using petroleum raw materials.

Cheaper, less toxic and recyclable light absorbers for hydrogen production

Tue, 10 Apr 18 00:01:50 -0700

Achieving artificial photosynthesis in solution remains limited by the use of costly and toxic metal-based compounds to harvest light. Researchers at CNRS, CEA and the Université Grenoble Alpes propose an efficient alternative using semiconductor nanocrystals (also called quantum dots) based on cheaper and less toxic elements, such as copper, indium and sulfur.

Perovskite technology is scalable, but questions remain about the best methods

Tue, 10 Apr 18 00:08:40 -0700

As perovskite solar cells set efficiency records and the nascent technology becomes more stable, another major challenge remains: the issue of scalability, according to researchers at the Department of Energy's National Renewable Energy Laboratory (NREL).

New cellular insights in bone development

Fri, 06 Apr 18 00:07:10 -0700

Most of us don't think about our teeth and bones until one aches or breaks. A team of engineers at Washington University in St. Louis looked deep within collagen fibers to see how the body forms new bone and teeth, seeking insights into faster bone healing and new biomaterials.

Banking on sunshine: World added far more solar than fossil fuel power generating capacity in 2017

Thu, 05 Apr 18 00:03:10 -0700

Solar energy dominated global investment in new power generation like never before in 2017.

Green technologies environmentally and profit friendly

Thu, 05 Apr 18 00:02:00 -0700

Companies looking to reduce their environmental impact without negatively affecting profits may want to consider increasing their investment in green technology and other sustainable IT solutions.

Light 'relaxes' crystal to boost solar cell efficiency

Thu, 05 Apr 18 00:01:40 -0700

A collaboration led by Rice University and Los Alamos National Laboratory discovered a novel phenomenon: Light-induced lattice expansion in perovskite materials that cures bulk and interface defects, which leads to an enhancement of the optoelectronic properties.

NUS engineers pioneer greener and cheaper technique for biofuel production

Thu, 05 Apr 18 00:05:50 -0700

A research team led by Associate Professor He Jianzhong from the Department of Civil and Environmental Engineering at NUS Faculty of Engineering has found that a natural bacterium isolated from mushroom crop residue can directly convert cellulose to biobutanol, a biofuel.

US power sector carbon emissions intensity drops to lowest on record

Wed, 04 Apr 18 00:02:10 -0700

Mitsubishi Hitachi Power Systems (MHPS) and Carnegie Mellon University (CMU) today announced the release of the 2018 Carnegie Mellon Power Sector Carbon Index, at CMU Energy Week, hosted by the Wilton E. Scott Institute for Energy Innovation. The Index tracks the environmental performance of US power producers and compares current emissions to more than two decades of historical data collected nationwide. This release marks the one-year anniversary of the Index, developed as a new metric to track power sector carbon emissions performance trends.

Avoid south-facing birdhouses -- for the nestlings' sake
Ten-day-old baby birds are able to maintain their regular body temperature despite nest box temperatures of 50C