which had no moving parts (Fig. 1) and no energy storage device other than a thin elastic outer membrane.
When a fish escapes by swimming fast, it bends its body and zooms through the water, losing some energy to the surrounding water
and recovering about 30%of the energy. An octopus, on the other hand, uses more effectively, energy recovery mechanism to power its ultra-fast escape,
and is able to recover more than 50%of the energy available at the beginning. Hence, rendering this octopus robot highly energy efficient.
Underwater'robot'with 3d printed hull and elastic membrane demonstrates ultra-fast escape inspired from Octopus.
With further R&d, future AUVS and other marine vehicles can adopt this mechanism to help it evade threats or track something fast stealthily underwater without the need for much energy.
who is an affiliate of the Stanford Institute for Materials and Energy Sciences at SLAC.
energy and for building construction could soon arise, thanks to a key advance in understanding the structure of wood.
energy and for building construction"."Professors Ray and Paul Dupree have discussed the possibility of working together to solve outstanding questions in plant biochemistry for twenty years.
The chemical industry is undergoing a major transformation as a consequence of unstable energy costs, limited natural resources and climate change.
more sustainable forms of energy as well as using biotechnology techniques to produce synthetic chemicals are currently being developed at The University of Manchester.
#Harvesting energy from electromagnetic waves (Nanowerk News) For our modern, technologically-advanced society, in which technology has become the solution to a myriad of challenges,
energy is critical not only for growth but also, more importantly, survival. The sun is an abundant and practically infinite source of energy,
so researchers around the world are racing to create novel approaches to"harvest"clean energy from the sun or transfer that energy to other sources.
This week in the journal Applied Physics Letters("Metamaterial electromagnetic energy harvester with near unity efficiency"),researchers from the University of Waterloo in Canada report a novel design for electromagnetic energy harvesting based on
"More than 80 percent of our energy today comes from burning fossil fuels, which is both harmful to our environment and unsustainable as well.
"Now, our technology introduces'metasurfaces'that are much better energy collectors than classical antennas, "explained Omar M. Ramahi, professor of electrical and computer engineering.
The particular dimensions of these patterns and their proximity to each other can be tuned to provide"near-unity"energy absorption.
This energy is channeled then to a load through a conducting path that connects the metasurface to a ground plane.
"We can also channel the absorbed energy into a load, rather than having the energy dissipate in the material as was done in previous works."
"As you can imagine, this work has a broad range of applications. Among the most important is space solar power,
an emerging critical technology that can significantly help to address energy shortages. It converts solar rays into microwaves--using conventional photovoltaic solar panels--and then beams the microwave's energy to microwave collector farms at designated locations On earth.
Japan is way out in front of rest of the world in this realm, with plans to begin harvesting solar power from space by 2030."
Real estate is a precious commodity for energy absorption --whether it's wind, hydro, solar or electromagnetic energy."
Thus, the energy absorbed from light is efficiently and rapidly converted into electron heat. Next, the electron heat is converted into a voltage at the interface of two graphene regions with different doping.
the acib method replaces chemical synthesis-an energy-consuming and anything but environmentally friendly process.
which designs and builds organisms able to make useful products such as medicines, energy, food, materials and chemicals.
and energy to perform. What are these functions? Well, youe performing some of them right now.
the resulting device would have to be loaded enormous with multitudes of transistors that would require far more energy. lassical computers will always find an ineluctable limit to efficient brain-like computation in their very architecture,
however, many more memristors would be required to build more complex neural networks to do the same kinds of things we can do with barely any effort and energy,
it takes an increase in energy for the electron to continue flowing. As a result, they are reflected often,
Subramanian Sankaranarayanan and Sanket Deshmukh at CNM used the high-performance computing resources at DOES National Energy Research Scientific Computing Center and the Argonne Leadership Computing Facility (ALCF), both
or differences in how much energy it takes to excite an electron in the material. hen we put them together,
new approaches are necessary to increase throughput and, at the same time, curb power consumption. Plasmonic components could make a decisive contribution to this end.
releasing as much energy in a few seconds as the Sun does over its 10 billion year lifetime.
and more efficient displays. ince screens consume large amounts of energy in devices like laptops, phones,
and tablets, our approach could have a huge impact on energy consumption and battery life, she noted. f you start with polarized light,
and convert carbon dioxide in a way that ultimately saves energy. They call it a copper tetramer. It consists of small clusters of four copper atoms each, supported on a thin film of aluminum oxide.
But compressing gas into a high-pressure mixture takes a lot of energy. The benefit of enhanced binding is that the new catalyst requires lower pressure
and less energy to produce the same amount of methanol. Carbon dioxide emissions are an ongoing environmental problem,
especially in terms of saving energy,"said Larry Curtiss, an Argonne Distinguished Fellow who co-authored this paper.
focusing their energy into a tight spot. When the material is a metal, that spot also becomes very hot.
which requires 100 times less energy than present devices, has the potential to hit all the marks."
"When planets coalesce, material falling into the planet releases energy and heats it up. Over the next hundred millions years they radiate that energy away,
mostly as infrared light,"says Macintosh. Once the astronomers zeroed in on the star, they blocked its light
because a jump between two tightly-packed stones requires less energy. A band gap is much the same;
because it represents a new way of combining elemental materials to form the building blocks of energy storage technology--such as batteries, capacitors and supercapacitors,
The new MXENES have surfaces that can store more energy. An Elemental Impasse Four years later, the researchers have worked their way through the section of the Periodic table with elements called"transition metals"
require little energy and their small footprint offers large storage capacity all these attributes make them well suited to new data storage applications or high-resolution displays.
we've been able to create prototype systems with power converters that have a combination of energy efficiency
And to maximize energy efficiency the system should be designed to operate using the best voltage possible.
or changes in the flow of energy from the power source, or even provide protection against extreme temperatures and device failures.
"Our second-best prototype had 90 percent efficiency-less than 10 percent of the energy was wasted, "Dean says."
will be presented at the IEEE Energy conversion Congress & Expo being held Sept. 20-24 in Montreal, Canada a
and director of the Kavli Energy Nanoscience Institute (ENSI), was the co-leader of this research.
The Cdse/Cds nanoparticles enabled us to decouple absorption from emission energy and volume, which in turn allowed us to balance absorption
The LCS work reported in this story was carried out through the U s. Department of energys Energy Frontier Research center program and the National Science Foundation n
The researchers calculated how the atomsinherent energies force hexagons to take on or lose atoms to neighboring rings,
and is a member of the Kavli Energy Nanosciences Institute at Berkeley (Kavli ENSI), is the corresponding author of a paper describing this research in Science("An ultrathin invisibility skin cloak for visible light").
Another drawback is that their energy consumption is reaching unacceptable levels. It is obvious that one has to look for alternative directions
"Another important advantage may be that this type of circuitry uses much less energy, both in the production,
thanks to the electron beam energy being kept below the radiation damage threshold of tungsten. Miao and his team showed that the atoms in the tip of the tungsten sample were arranged in nine layers, the sixth
and reduce their energy consumption. Together with all-optical connections, they might reduce latencies. Energy-intensive conversion of optical signals into electronic signals and vice versa would no longer be required
#Pushing the limits of lensless imaging Using ultrafast beams of extreme ultraviolet light streaming at a 100,000 times a second, researchers from the Friedrich Schiller University Jena,
#Small-scale nuclear fusion may be a new energy source Fusion energy may soon be used in small-scale power stations. This means producing environmentally friendly heating
whereby atomic nuclei melt together and release energy. Because of the low binding energy of the tiny atomic nuclei, energy can be released by combining two small nuclei with a heavier one.
A collaboration between researchers at the University of Gothenburg and the University of Iceland has been to study a new type of nuclear fusion process.
It has already been shown to produce more energy than that needed to start it. Heavy hydrogen is found in large quantities in ordinary water
The energy in the neutrons which accumulate in large quantities in other types of nuclear fusion is difficult to handle
These neutrons are high-energy and very damaging to living organisms, whereas the fast, heavy electrons are considerably less dangerous."
#Highest efficiency hydrogen production under natural sunlight Researchers at the University of Tokyo and Miyazaki University have produced hydrogen under natural sunlight at an energy conversion efficiency of 24.4,
In order to increase Japan use of renewable energy at a substantial fraction in the total energy demand, it is vital to develop technologies for the high efficiency
%The researchers also reduced energy loss by improving the connection between the CPV modules and electrolyzers, resulting in a solar-to-hydrogen energy conversion efficiency above 24%.
rather than solely to the laser's wavelength, demonstrating that the plasmons effectively nudged the electrons in Mos2 into a different energy state."
the energy was converted into plasmons, a form of electromagnetic wave that travels through oscillations in electron density.
This energy electronically excited an electron once it reached the molybdenum disulfide-covered end effectively generating a current.
leading to increased dissipation of energy and the need to develop new design principles. In the model microscopic system developed by scientists from Bristol
a liquid-like scenario in which much of the energy input is lost to friction and an intermediate slipping scenario unique to soft materials
or high-energy reservoir of electrons. Lithium can do that, as the charge carrier whose ions migrate into the graphite
"It's safe to say that the energy density of a potassium-ion battery may never exceed that of lithium-ion batteries,
They used the high-performance computing resources of the National Energy Research Scientific Computing Center (NERSC),
"The tunnel effect enables us to move electrons through the ultra-thin layer with very little energy,
Organisms such as barnacles and algae create drag and increased energy expenditure, not to mention the costs of cleaning
#Buildings producing their own energy prepared for tomorrow's cities An innovative façade, able to turn solar energy into heat for residentsuse,
and will prove its capabilities in real-life conditions The worldwide energy consumption of buildings is expected to grow by 45%from 2002 to 2025,
To reduce energy demand in old buildings across Europe, a consortium of researchers has designed an industrialised façade system for use in retrofitting works.
and façade orientations his system provides the tools for producing energy as well as insulating the building better:
A particular unit of the façade, called Advanced Passive solar Collector and Ventilation Unit, was required to pass special tests, like acoustic and permeability tests.
already used by energy service companies (ESCOS), explains Galant. ESCOS are more often companies that belong to large energy utility groups.
They offer long-term contracts, of 20 years or more, where they cover the risk of a full refurbishment against the payment by the owners of a fixed yearly energy bill
which corresponds to the reduced energy needs of the refurbished buildings. The project researchers admit that their system is neither simple, nor cheap.
Yet Julen Astudillo is optimistic about the possibilities of the façade having a good return on investment.
how the energy can be used to break down water into oxygen (O2) and hydrogen (H2). This process is known as oxidation,
which are the main energy sources for the plant. His discovery generates exciting new prospects for how this process could be used to forge new energy sources in a carbon neutral way.
Potentially, hydrogen could be transported to other locations and burned as fuel.""In theory, this should be a self-sustaining energy source,
"Mendoza-Cortes said.""Perhaps in the future, you could put this material on your roof and it could turn rain water into energy with the help of the sun."But, unlike many other energy sources,
this won't have a negative effect on the environment.""You won't generate carbon dioxide or waste, "he said.
Mendoza-Cortes, a computational and theoretical chemist, said the challenge he faced was designing something that didn't rust from the process of breaking down water that also trapped the energy
Light with photo energy can penetrate indirect band gap materials much more easily without getting absorbed
'and has done that to focus its energies on being able to germinate and grow quickly, rapidly flower,
inexpensive and high-energy density anode material and paired it with pyrite, which is made of iron and sulfur,
Testing showed that the resulting devices energy density was close to that of lithium-ion batteries. It could get an additional two-to threefold boost with further development of magnesium electrolytes.
A protein embedded in the surface of mitochondria the energy-producing batteries of living cells opens the door to cell death,
which normally sustains energy production, it results in a catastrophic drop in cellular energy levels. In the absence of disease, precisely how the PTP helps to mediate normal cellular physiology remains unclear.
According to Dr. Madesh, nder physiological conditions, SPG7 may function through transient pore openings to release toxic metabolites that have accumulated in mitochondria.
which was understood already to help convert fat into energy, and to be involved in brain formation,
An international team of astronomers from the Galaxy and Mass Assembly Survey analysed starlight from more than 200,000 galaxies to find the universe is emitting far less energy than it once was.
and ground-based telescopes we could get our hands on to measure the energy output of over 200,000 galaxies across as broad a wavelength range as possible,
Prof Driver said the data showed the amount of energy being generated was two times less than the amount of energy that was being generated two billion years ago. hat tells us that the universe is essentially dying,
and moving towards its grand era of retirement after having produced massive bursts of energy early on in the formation of the universe. t now fading and dwindling and diminishing. t will just become a very dark,
all the materials and energy for building a baby are supplied by secretions from glands in the uterus lining.
some is used straight away as energy to help the embryo grow, and the rest is reconverted to the storage molecule,
#ipstickin the brain could predict damage just in time A dipstick inserted into the brain can check its energy levels,
including glucose, the brain main energy source. When used to monitor the brains of people in intensive care after a stroke or head injury,
if brain cells are using the glucose to release energy. Although widely available, the device has so far mainly been used as a research tool rather than to guide treatment.
To check the brain has enough energy, we might be able to do the same, using a probe that can monitor fluid in the brain. he goal is to save brain tissue,
including glucose, the brain main energy source. When used on people in intensive care after a stroke or head injury,
and slashed energy prices, there is a risk that toxic compounds in the fracking fluid can get into shallow aquifers via fractures in the bedrock.
allowing them to run calculations using less energy. Nothing about the particles told the researchers what the voltages should be, however.
but also used less energy than conventional circuitry. Nothing about the particles told the researchers what voltages to try, however.
The scientists conclude that permanent all-optical on-chip memories could onsiderably increase future performance of computers while reducing their energy consumption.
Significantly, energy-intensive conversion of optical signals into electronic signals and vice versa would no longer be required. The Nature Photonics paper states, y using optical near-field effects,
Our on-chip memory cells feature single-shot readout and switching energies as low as 13. 4pj at speeds approaching 1ghz.
"This uniform phase allows the light to be stretched or squashed, twisted or turned, without losing energy.
"Integrated photonic circuits are hampered by weak and inefficient optical energy confinement in standard silicon waveguides.
Cutting data center power consumption They suggest that a wide range of applications stand to benefit from the kind of low-cost,
data centers are on track to consume more than 500 TWH of energy annually by 2020 but by implementing new technologies like silicon photonics this total could be cut by at least 10 per cent.
The catch to date has been finding another material to work with aluminum in creating energy. The Stanford team ended up using our old friend graphene to play the cathode to aluminum's anode.
Should scientists be able to increase the power and energy density of aluminum-ion batteries its speed of charging, lack of volatility,
But with Rutherford, the engines turbopumps get a much more condensed energy source. Instead of running on liquid propellant, the pumps are powered by electric motors with lithium polymer batteries.
building up huge amounts of energy along a fault as the plates try to keep moving.
Next, the signal from the sensor triggers a laser (or a blast of electricity or microwave energy) that heats up a section of air or water
But each GENESI node and sensor includes a miniature wind turbine that harvests energy from passing trains.
Along with the emissions trading program, China also announced that it will stop investments in high-carbon energy projects overseas."
it certifies that you have asked the energy grid to power your device with solar power. You see,
the energy grid consists of electricity from every available source: coal, hydro, nuclear, wind, what have you.
The process is claimed to reduce energy bills by up to 20 percent a year by enabling buildings to regulate temperature within rather than resorting to air conditioning
Our vertical growing technology and local distribution methods reduce energy use, travel time and costs tremendously, making this model one of the most sustainable ways to guarantee access to fresh, healthy produce in city centers, in any season.
calculated that the world deserts receive enough energy in a few hours to provide for humanity power needs for a whole year.
The challenge though, has been capturing that energy and transporting it to the population centres where it is required.
We import 94%of our energy as fossil fuels from abroad and that has big consequences for our state budget,
olar energy will make up a third of Morocco renewable energy supply by 2020, with wind and hydro taking the same share each. e are very proud of this project,
There, it is mixed with water to create steam that turns energy-generating turbines. The HTF is made up of a synthetic thermal oil solution that is pumped towards a heat tank containing molten sands that can store heat energy for three hours
due to open in 2017 will store energy for up to eight hours opening the prospect of 24/7 solar energy in the Sahara,
and energy exports northwards across the Mediterranean remain a key goal, despite the collapse in 2013 of the Desertec project, a German plan to source 15%of Europe energy from North African desert solar by 2050. e believe that it possible to export energy to Europe
but first we would have to build the interconnectors which don yet exist, said Maha el-Kadiri, a Masen spokeswoman. pecifically,
and then start exporting. pain has prohibited itself new solar projects because of a lack of interconnectors to transmit the energy to France.
Undisclosed energy subsidies from Morocco unelected ruler King Mohammed VI, have prevented the cost from being transferred to energy consumers.
One month before launch, over a thousand mostly Moroccan workers are still racing to fix electric wires,
#Organic framework serves as catalyst for the photocatalytic conversion of water into hydrogen Humanity's need for energy is ever-increasing.
However, the traditional energy sources are finite. In contrast, water and sunlight are available in vast abundance.
Scientists at the Max Planck Institute for Solid State Research in Stuttgart and from LMU Munich have created now a material that uses light to produce the versatile energy source hydrogen from water.
What is needed is a substance that directly uses the energy of sunlight to split the hydrogen-oxygen bonds in water.
or for producing carbon-based energy carriers. In fuel cells, electricity could be generated using hydrogen (and oxygen.
detailed in Nature Communications, is a significant step toward lower-cost catalysts for energy production, according to the researchers. hat unique about this paper is that we show not the use of metal particles, not the use of metal nanoparticles,
because much of the energy pumped into them is converted to light as opposed to heat.
when pumped with energy, changes very quickly from a transparent insulating state to a reflective metallic state.
In addition, gasoline packs over three times the energy density per volume as natural gas even when compressed to 3, 600 psi,
"Microwave energy is more efficient than conventional heating because it focuses its electromagnetic waves only on the material being treated
or lithium-air, batteries have been touted as the'ultimate'battery due to their theoretical energy density, which is ten times that of a lithium-ion battery.
Such a high energy density would be comparable to that of gasoline -and would enable an electric car with a battery that is a fifth the cost and a fifth the weight of those currently on the market to drive from London to Edinburgh on a single charge.
energy efficiency and improved stability over previous attempts. Their demonstrator relies on a highly porous, 'fluffy'carbon electrode made from graphene (comprising one-atom-thick sheets of carbon atoms),
and equates to an energy efficiency of 93%.%The highly porous graphene electrode also greatly increases the capacity of the demonstrator,
Finally, that nitrogen lowered the energy needed to kick electrons into the state in which they were available to split water.
Conceptually, all of the energy produced could be stored indefinitely and used later when the electricity is needed most.
Alternatively, some energy could be used immediately and the rest stored for later use. Storage of this type helps to solve one of the key factors limiting the wider use of solar energyy eliminating the need to use the electricity immediately.
Many alternative energy systems are constrained by this lack of dependability and consistent energy flow. Solar thermal electricity has been of considerable interest because of its potential to lower costs.
In contrast to conventional solar photovoltaic cells that produce electricity directly from sunlight, solar thermal generation of energy is developed as a large power plant in
That energy has been used to heat a fluid that in turn drives a turbine to produce electricity.
and an expert in novel applications and use of sustainable energy. n these types of systems, energy efficiency is closely related to use of the highest temperatures possible,
In comparison to existing approaches, the new system could also allow a 10-fold increase in energy densityt physically much smaller
The researchers'analysis found that this energy-consuming intermediary step is not necessary for the conversion to happen.
Instead, an energy-producing"hydrocarbon pool"mechanism allows the zeolite catalysts to directly produce longer hydrocarbon chains from the original alcohols."
and requires energy. We showed this step doesn't occur, and that the overall reaction is slightly exothermic."
has implications for the energy efficiency and cost of catalytic upgrading technologies proposed for use in biorefineries.
Currently cars are pieced together on long assembly lines inside large factories that use massive amounts of energy.
Developed by Oxford university's Department of Engineering science in conjunction with Kepler Energy, THAWT uses a stressed truss configuration with carbon composite hydrofoil blades.
Peter Dixon, chairman of Kepler Energy, says the patented turbine is the most efficient yet designed.
they could supply up to five percent of the energy requirements of the UK.""The design we have at the moment
which capture the tide's energy.""A lagoon generates maximum at the turn of the tide
more than fifteen million new miles worldwide, according to the International Energy Agency. That the kind of thing, according to Laurence, that care s the hell out of ecologists. g
where an additional amount of energy is required to strip electrons out of the material. For years, physicists have debated the origin of the pseudogap
and this confers to them the ability to convert glutamine into energy and building blocks to support their growth.
achieving an energy saving of 20 percent. That 20 percent comes directly from sunlight, which is harvested by a flat solar panel on top of the battery.
and are working towards 100 percent energy savings, which would make it a fully solar-chargeable battery.
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