The framework could also be useful to the energy industry which typically relies on seismic waves to search for underwater oil and natural gas.
if you hit that same stop sign at 40 miles an hourgregg says. hereâ#a lot more energy that will be released. he Iceland formations some over 2 meters tall display telltale features that hint at how they were created.
which may make it useful for protecting solar cells from the elements Lou says. ssentially this can be a very useful structural material coating
or amount of energy gained per length of the accelerator of 300 million electronvolts per meter.
Today s accelerators use microwaves to boost the energy of electrons. Researchers have been looking for more economical alternatives and this new technique
Then any additional acceleration increases their energy but not their speed; this is the challenging part.
Infrared laser light shining on the pattern generates electrical fields that interact with the electrons in the channel to boost their energy.
and electronic devices when it is used as a reference. good tuning fork controls the release of its acoustical energy ringing just one pitch at a particular sound frequency for a long timeâ##a sustaining property called the quality factor.
Frequency instability stems from energy surges within the optical resonatorâ##which are unavoidable due to the laws of thermodynamics.
Because the new resonator has a longer path the energy changes are diluted so the power surges are dampenedâ##greatly improving the consistency
In combination with the resonator a special guide for the light was used losing 100 times less energy than the average chip-based device.
CNTS are long chains of carbon atoms that are extremely efficient at conducting and controlling electricity.
They are so thinâ##thousands of CNTS could fit side by side in a human hairâ##that it takes very little energy to switch them off according to Wong a co-author of the paper. hink of it as stepping on a garden hosewong explains. he thinner the hose the easier it is to shut off the flow. n theory this combination
Depending on how the CNTS grow a fraction of these carbon nanotubes can end up behaving like metallic wires that always conduct electricity instead of acting like semiconductors that can be switched off.
Then they pumped the semiconductor circuit full of electricity. All of that electricity concentrated in the metallic nanotubes
which grew so hot that they burned up and literally vaporized into tiny puffs of carbon dioxide.
Researchers say the discovery could one day lead to bigger harvests of biomass for renewable energy.
and thus better harvest bioenergy. ong and Daniel Cosgrove professor and chair in biology at Penn State are the lead authors.
#Colonies of wired microbes turn sewage into electricity Stanford university rightoriginal Studyposted by Tom Abate-Stanford on September 19 2013a new way to generate electricity from sewage uses naturally occurring ired microbesas mini power plants
to produce electricity as they digest plant and animal waste. Scientists hope the icrobial batterycan be used in places such as sewage treatment plants
At the moment however the laboratory prototype is about the size of A d-cell battery and looks like a chemistry experiment with two electrodes one positive the other negative plunged into a bottle of wastewater.
and produce electricity that is captured by the battery s positive electrode. e call it fishing for electronssays Craig Criddle a professor in the department of civil and environmental engineering at Stanford university.
but tapping this energy efficiently has proven challenging. What is new about the microbial battery is a simple yet efficient design that puts these exoelectrogenic bacteria to work.
As reported in the Proceedings of the National Academy of Sciences at the battery s negative electrode colonies of wired microbes cling to carbon filaments that serve as efficient electrical conductors.
Using a scanning electron microscope the Stanford team captured images of these microbes attaching milky tendrils to the carbon filaments. ou can see that the microbes make nanowires to dump off their excess electronscriddle says.
At that point it is removed from the battery and re-oxidized back to silver oxide releasing the stored electrons.
Engineers estimate that the microbial battery can extract about 30 percent of the potential energy locked up in wastewater.
That is roughly the same efficiency at which the best commercially available solar cells convert sunlight into electricity.
Of course there is far less energy potential in wastewater. Even so the microbial battery is worth pursuing because it could offset some of the electricity now used to treat wastewater.
That use currently accounts for about 3 percent of the total electrical load in developed nations.
Most of this electricity goes toward pumping air into wastewater at conventional treatment plants where ordinary bacteria use oxygen in the course of digestion just like humans and other animals.
Looking ahead the engineers say their biggest challenge will be finding a cheap but efficient material for the positive node. e demonstrated the principle using silver oxide
which suggests that the general fabrication technique the researchers developed could be used to produce lightweight mechanically robust small-scale components such as batteries interfaces catalysts
or gel-type electrolytes, which have been limited to low-temperature operation of electrochemical devices, says Arava Leela Mohana Reddy,
lead author and a former research scientist at Rice Unversity who is now an assistant professor at Wayne State university in Detroit. e found that a clay-based membrane electrolyte is a game-changing breakthrough that overcomes one of the key limitations of high
-temperature operation of electrochemical energy devices, Reddy says. y allowing safe operation over a wide range of temperatures without compromising on high energy,
and discharge energy in a burst and rechargeable batteries that charge slowly but release energy on demand over time.
The ideal supercapacitor would charge quickly, store energy, and release it as needed. esearchers have been trying for years to make energy storage devices like batteries and supercapacitors that work reliably in high-temperature environments,
but this has been given challenging the traditional materials used to build these devices, explains Pulickel Ajayan,
In particular, researchers have struggled to find an electrolyte, which conducts ions between a battery electrodes, that won break down when the heat is on.
Another issue has been finding a separator that won shrink at high temperatures and lead to short circuits.
The separator keeps the electrolyte on the anode and cathode sides of a traditional battery apart
while allowing ions to pass through). ur innovation has been to identify an unconventional electrolyte/separator system that remains stable at high temperatures,
Ajayan says. The researchers solved both problems at once. First, they investigated using room-temperature ionic liquids (RTILS) developed in 2009 by European and Australian researchers.
Both energy and power density improved by two orders of magnitude as the operating temperature increased from room temperature to 200 degrees Celsius, the researchers found.
The Advanced Energy Consortium supported the research o
#Could this gene make leafy greens last longer? Scientists have identified the process in plants that controls how quickly leaves die which may lead to lettuce that stays fresh in the fridge a little longer.
because more energy is available or because distractions and new inputs are fewer says corresponding author Yuka Sasaki a research associate professor in the department of cognitive linguistic & psychological sciences.#
#In an era of light-weighting for energy and emissions reductions there is a great demand for magnesium alloys in everything from portable electronics to air
Supercapacitors are made generally of highly porous carbon impregnated with a liquid electrolyte to transport the electrical charge.
and the ability to recharge in seconds the drawback of existing supercapacitors is their low energy-storage-to-volume ratio#known as energy density.
and his team created a supercapacitor with energy density of 60 watt-hours per liter#comparable to lead-acid batteries and around 12 times higher than commercially available supercapacitors.#
when graphite is broken down into layers one atom thick is very strong chemically stable and an excellent conductor of electricity.
They used liquid electrolytes#generally the conductor in traditional supercapacitors#to control the spacing between graphene sheets on the subnanometer scale.
In this way the liquid electrolyte played a dual role: maintaining the minute space between the graphene sheets and conducting electricity.
Unlike in traditional#hard#porous carbon where space is wasted with unnecessarily large pores density is maximized without compromising porosity in Li s electrode.
because the organisms do not waste metabolic energy producing unneeded proteins. The team which includes researchers from Washington University School of medicine plans to explore
##Solar steam kills germs while off the grid RICE (US) A new sterilization system uses nanomaterials to convert 80 percent of the energy in sunlight into heat,
and sterilization are enormous obstacles without reliable electricity, says Naomi Halas, director of the Laboratory for Nanophotonics (LANP) at Rice university. olar steam efficiency at converting sunlight directly into steam opens up new possibilities for off-grid sterilization that simply aren available today In a previous study last year,
The technology has an overall energy efficiency of 24 percent. Photovoltaic solar panels, by comparison, typically have an overall energy efficiency of around 15 percent.
When used in the autoclaves in the tests, the heat and pressure created by the steam were sufficient to kill not just living microbes but also spores and viruses. In the study,
Commercial applications in small electronic devices solar cells batteries and even medical devices are just around the corner.
The energy barrier required for a sheet to cut the membrane was simply too high even
#Graphene ribbons improve lithium ion batteries Anodes for lithium ion batteries built with ribbons of graphene perform better, tests show.
After 50 charge-discharge cycles, the proof-of-concept units retained a capacity that was still more than double that of the graphite currently used for LI battery anodes.
One area ripe for improvement is the humble battery. In an increasingly mobile world battery capacity is becoming a bottleneck that generally limits devices to less than a day worth of use.
In the new experiments, the Rice lab mixed graphene nanoribbons and tin oxide particles about 10 nanometers wide in a slurry with a cellulose gum binder and a bit of water, spread it on a current collector
and encased it in a button-style battery. GNRS are a single atom thick and thousands of times longer than they are wide.
GNRS could also help overcome a prime difficulty with LI battery development. Lithium ions tend to expand the material they inhabit,
GNRS take a different approach by giving batteries a degree of flexibility, Tour says. raphene nanoribbons make a terrific framework that keeps the tin oxide nanoparticles dispersed
Lin says the lab plans to build batteries with other metallic nanoparticles to test their cycling and storage capacities.
The embedded fossils are likely planktonic autotrophs free-floating tiny ocean organisms that produce energy from their environment.
because they used carbon dioxide to create energy and incorporated the carbon into themselves. During this process the organisms selectively incorporate more carbon 12 than carbon 13 from the available carbon producing a signature of biological origin.
Successful tests were performed using live bed bugs and termites in Rafailovich#s lab with the assistance of Ying Liu a scientist with the Advanced Energy Research and Technology Center and graduate students Shan He and Linxi Zhang.
Charged particles such as electrons exist in discontinuous energy levels like rungs on a ladder. An electron provided with enough energy can become excited
and#jump up to a higher energy level. Excited electrons can spontaneously fall down to an available lower energy level shooting off the difference in energy as a bit of light called a photon.
The amount of time that passes before an excited electron drops down and releases a photon is usually random.
if an electron in an upper energy level was exposed to a photon with proper energy the electron would instantly fall down
A laser keeps this process going by continually providing energy for electrons to move into higher energy levels.
There is a hard limit to the number of electrons that can inhabit a given energy level at any given time
and conventional lasers waste energy unnecessarily exciting electrons to higher energy levels even when the lower levels are too full to accept the excited electrons
and an unlimited number of them can inhabit any given energy level. Using bosons in lasers has been a scientific goal for decades
The current iteration of the polariton laser requires two to five times less energy than a comparable conventional laser
but could require 100 times less energy in the future.##The outcome would look similar to that of the traditional photon lasers
and holes come together to form excitons in excited energy levels. When a photon hits an exciton it forms a polariton
The entire process is like a solar cell in reverse Kim says.##In a solar cell you use light to form excitons
and separate them into an electron and a hole electrically#she says.##We bring together an electron
The team hopes switching to a material that requires more energy to break apart excitons will allow them to build polariton lasers that work at room temperature an important step toward widespread use.#
but we aim to bring novel devices built on sound physical understanding for cost-effectiveness and efficient power consumption.#
Because metals will naturally convert some energy from infrared light into heat researchers can connect the amount the material expands to the amount of infrared light hitting it.#
#Ambiq Micro has made a chip that consumes 10 times less energy Ambiq Micro, a semiconductor company in Austin,
which can lower the power consumption of the tiny chips used inside wearable devices by as much as 10 times in wake mode
this means a battery life for a smart watch or activity tracker that could last for weeks or months longer than the current standard.
That means it uses much less energy overall. Ambiq has built out this technology on about $30 million in funding.
Salas also says that for customers of Ambiq the change in power consumption mean manufacturers can advertise longer battery life,
or they could use smaller batteries and then design smaller enclosures for their electronics. As a woman who finds almost all of the smart watches on the market today to be too large
I love to see a slightly more delicate form factor using a smaller battery and more power-efficient chip h
#Clean power is on its way for data centers as a service too Using clean energy to power data centers is becoming increasingly commonplace,
are beginning to offer clean energy options, too. On Thursday Phoenix, Arizona-based data center service provider IO announced that customers purchasing data center space in the company Arizona facility can buy 100 percent clean energy, at an incremental cost increase
through a new deal with Arizona utility Arizona Public service. IO President Anthony Wanger said that the new offering came
as a result of clear call by our customers to use cost-effective clean energy to power their data centers.
and it has a mandate to deliver 15 percent of its electricity from clean energy by 2025.
APS has contracted to buy all of the 280 MW of solar energy from the Solana solar thermal plant 70 miles southwest of Phoenix. That could provide enough solar electricity for 70
when it comes to the residential solar panel industry. As clean energy options get cheaper starting with large utility solar farms,
and wind farms more companies that offer colocation and cloud services will be able to afford to offer clean energy options to customers.
While Amazon has been one of the quietest on this front, it has committed more recently to 100 percent clean energy,
starting with using wind to power a data center in Indiana. Wind is the cheapest clean energy option
but is only available at scale in certain areas of the U s. Recently IO decided to split itself into two companies,
To whittle the device#s power consumption down#especially since electricity might be a limiting factor in parts of the world where this kind of quick accurate testing could be especially helpful#the team devised a#one-push vacuum#in place of an electrical pump;
instead the end user pushes against a negative-pressure chamber to move the sequence of reagents onto the cassette.
& Energy with the Gigaom newsletter Subscribe Because when MITOCHONDRIAL DNA fail to provide energy to our cells,
dozens and possibly hundreds of diseases can result, causing a wide range of problems that include extreme fatigue, dementia, stunted growth, deafness, blindness, multi-organ failure, and even death.
#Biolite low-emission camping stove creates its own electricity Consider the humble camping stove. It requires fuel-perhaps some unwieldy bottle that air carriers object strongly to.
Maybe it needs batteries to run a fan, or billows out smoke so you smell like smoked sweatshirt for the rest of the trip.
and converts its own heat energy into electricity to achieve efficient combustion with ultra-low emissions.
Fuel Since the Biolite will burn almost any biomass fuel; from wood, pine cones, leaves, pellets, rice husks, even dung, it means fuel need not be carried,
The Biolite power pack captures wasted heat energy from the fire and converts it to electricity via a thermoelectric generator (TEG.
and convert it to electricity to drive the fan. The oxygen added from the chamber pores gives a clean
as rapidly as a jet boil or reactor flame. Despite this the stove exterior remains cool to the touch
Benefits There are no batteries and no moving parts to break and since the TEG is made from solid state semiconductor elements,
but could also benefit a diverse array of people living without electricity-from hikers and hunters, to backpackers and festival-goers,
This gives hope for materials that will improve the reliability, safety and lifespan of nuclear energy systems.
The healing process does require some energy to operate but at lower levels than conventional mechanisms.
or accelerate the design of highly radiation-tolerant materials for the next generation of nuclear energy applications.
and any passengers into rotational thrust to charge a battery and power the vehicle in conjunction with an electric motor.
And as an added bonus the vehicle can also be used store energy and act as a backup power generator to provide electricity to the home.
The Body Steering driver's seat of the Humancarrow, row, row your car...Humancar aims for a healthy planet with healthy drivers History The Humancar is the brainchild of Chief Scientist/Engineer Charles Samuel Greenwood P. E.,who first hit upon the idea for a human
and the lessons it provided eventually led to the development of the Impulse PS (Power station).
It can be powered by one, two, three or four people, the battery-powered electric motor, or any combination of human and electric power.
The battery can also be charged via a standard electrical outlet if you feel youe had your quota of exercise for the day.
To make the most out of the power generated the vehicle also incorporates a regenerative braking system
and an advanced power system to enhance overall efficiency. Because steering using the rowing handles would be too difficult to control the vehicle is steered by"Body Steering"(read leaning into turns.
The universal design of the chassis means it can use many different power systems and batteries,
Electricity generation The Humancar isn just a plug-in hybrid electric vehicle either. It can also function as an exercise-based human electric power station
or in vehicle-to-grid (V2g) mode to feed electricity back into the grid. A report on CNN showed four people rowing for a couple of minutes generated enough electricity to power a PC for well over an hour.
So if you don need to go anywhere you can jump in the car for some exercise that will generate electricity for your home
or to be fed back into the grid. DUET GEN Home Power Generator The company is also taking this idea further by planning to release a home power generator product called the DUET GEN. This is a two-person unit that is also modular to fit the chassis
system used in the Humancar vehicle and is small enough to fold up and fit in a large suitcase.
But the human body is a veritable powerhouse that so many of us under utilize as our expanding waistlines will attest to.
"In particular, the GEDI data will provide us with global-scale insights into how much carbon is being stored in the forest biomass.
And that, in turn, enables scientists to estimate how much biomass the trees contain and how much carbon they are storing.
and dispersed the energy keeping the glass from shattering. Altogether the treated slides were reportedly 200 times tougher than slides
from inspecting nuclear power plants to slithering down the throats of surgical patients. The similarity in the construction and operation of the legs of the Snake Monster to those earlier CMU robot incarnations gives it its name.
Using the Gear VR on an exercise bike we were barely aware that we were exerting energy#and that's without the machine's movements corresponding with the in-game action.
but can't conjure up the energy to go to the gym? Have a seat...and"turn downtime into exercise time."
and energy as going to the gym, running, etc. The TAO Chair coaches you through exercises with the accompanying mobile app,
while a built-in, battery-powered digital display shows the calories burned during your current workout and the total calories you've burned since setting the chair up.
The display on the prototype was either out of battery power or a dummy so we didn't get to play with it.
and along with an LED lighting array features photovoltaic panels, a wind turbine, a battery pack, and an electronic control system that manages the flow of energy between those components.
Its composite-bladed turbine starts generating electricity at a minimum wind speed of 1. 7 meters (5. 6 ft) per second,
moving at 10 to 200 revolutions per minute and producing a maximum output of 400 watts. A planned second-generation turbine will need only to turn at 10 to 60 rpm
The commercial version of the streetlight should feature two 100-watt polycrystalline solar panels, an array of Philips LEDS that put out either 3, 500 or 4,
and a lithium iron phosphate battery pack that can store enough power to run the lights for up to 3. 5 nights per charge an optional higher-capacity battery could reportedly manage 6. 5 nights.
while New york-based Urban Green energy already manufacturers one r
#Scientists find that exposure to nanoparticles could impact cardiovascular health Due to its huge potential in applications ranging from cheaper vaccinations to energy-storing car panels there's plenty of excitement surrounding the emergence of nanotechnology.
#Toyota opens fuel cell patents to drive hydrogen society Toyota is serious about hydrogen fuel cell technology.
500 fuel cell patents and provide royalty-free licenses to other automakers and entities. Upon walking into Toyota's CES press conference, the shimmering Mirai under the hard conference room lighting suggested that it might just be a rehashing of the details we already learned at November's LA Auto Show.
requiring a concerted effort and unconventional collaboration between automakers, government regulators, academia and energy providers.
"The approximately 5, 680 total global patents break down into roughly 3, 350 fuel cell system software control patents, 1,
970 fuel cell stack-related patents, 290 high-pressure hydrogen tank patents, and 70 hydrogen production and supply patents.
They will be made available to fuel cell vehicle manufacturers, fuel cell parts suppliers, and hydrogen fueling station companies through an initial market introduction period that Toyota expects to run until 2020.
#Self-tinting breathing window doubles as a transparent battery Scientists at the Nanyang Technological University (NTU) in Singapore have developed a smart window that is able to tint itself blue,
The device also functions as a small transparent battery that recharges on its own simply by interacting with the oxygen in its surroundings.
Indoor cooling can make up a sizeable percentage of a building power consumption. To help with the problem,
but also act as a transparent electrochemical battery that can slowly charge itself by absorbing oxygen from it surroundings.
with an oxygen-carrying liquid electrolyte in between them. The panes are wrapped inside a transparent conductive coating
the dye reacts with the oxygen in the electrolyte and spontaneously turns blue, blocking up to 50 percent of light passing through the window.
showing that their window can find use as a transparent, self-rechargeable electrochemical battery for low-power electronics.
This means that in principle this technology could turn out as an interesting, more versatile alternative than transparent solar cells, a technology
or even to promote energy savings in the household. A paper describing the advance appears on the journal Nature Communications l
#A new type of glass could double your smartphone's battery life The batteries inside our smartphones
The glass can be used as an electrode material in lithium-ion batteries to almost double the amount of time they last between charges.
Various challenges had to be overcome to find a material that could both store battery capacity effectively
and longer-lasting batteries says Dr Afyon of the motivations behind the research. He added that the vanadate-borate glass compound his team has developed could extend smartphone battery life by 1. 5 to 2 times
and allow electric cars to travel 1. 5 times further though these numbers are still theoretical projections for now.
It's not just gadgets that need better batteries of course: the number of electric cars boats and bikes in operation continues to grow
What's more wind farms and solar power plants need to be able to store generated electricity effectively for
when it's required another purpose that vanadate-borate glass could potentially be used for. The group's work has been published in full in Scientific Reports
but it's good news for those perplexed by rapidly draining battery levels: help is on the way y
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