and the liquid solution is guided onto the mold by an electric field the process is called electrospinning. it evenly coats
EAV is a form of acupuncture where a small electric current is passed between pairs of electrodes.
An electrotrode in the pen tip creates an electrical circuit with the body through a second electrode in the pen case.
This paves the way to producing high-resolution and large organic electroluminescent (EL) displays and establishing cost-competitive manufacturing methods.
Sealed inside resin micro pods within yarns, the fabrics incorporating RFIDS can be run through washing machines
Professor Dias also believes that in the distant future this technology could be used in conjunction with smart washing machines to warn consumers of mixed colours or inappropriate temperatures.
and characterized by a group headed by professor Zhou and Dr Liu at the Department of Electrical engineering at USC.
and characterized by a group headed by professor Zhou and Dr Liu at the Department of Electrical engineering at USC.
also announced that its fleet electrification initiative has exceed the anticipated $50 million annual industry commitment.
The EEI launched the fleet electrification initiative last year, which includes a commitment by the industry group
The difficulties with aluminum-air construction, in particular, has been rapid degradation of the anode and, in early models of Al-Air, the release of hydrogen gas.
As the aluminum anode is consumed by contact with oxygen, hydrated aluminum forms as a byproduct.
and used to create a new aluminum anode, which is why the batteries are referred to as rechargeable.
Periodically, the aluminum anode will have to be replaced it not clear how often the Fuji Pigment battery would need servicing of this sort.
though previous estimations had put the cost of an Al-air system at roughly $1. 1 per kg of aluminum anode.
(and the weight of the aluminum anode in these batteries is unknown), but the team that performed that analysis noted that proper recycling would put Al-air in the same cost range as conventional internal combustion engines.
although its electrical conductivity is the highest of any material bar none, it is nearly impossible to shut it off completely.
and add a massive, out-of-plane magnetic field. When you do that it becomes possible to see
when the electronic energy levels of the material are plotted against the applied magnetic field. Originally proposed by Douglass Hofstadler in 1976,
In the present case, the researchers used fields up to 45 Tesla that were available at the National High Magnetic field Laboratory in Tallahassee.
As a graphical representation of the fractal structure of the energy spectrum for electrons in a magnetic field,
The researchers previously demonstrated something known as a uantum spin Hall statewhen they applied a magnetic field with an in-plane orientation.
On the other hand, with steel electromagnets, the force goes away when you turn off the electromagnet. If you were to introduce permanent magnets into the body, by eating them for example,
your bowels would quickly be cinched together and the magnets would inexorably bore themselves directly through tissue in mutual attraction.
but for our purposes here we can think of it as an electric motor. The MR scanner acts as the stator and generates propulsive torques on an actuator rotor containing the ferroelectric material.
To generate maximum torque, the smaller gradient coils (as opposed to the large static field of the MRI) need to be put under closed loop control,
steers a catheter through the vasculature by bending it at various control points that react to the magnetic field.
Thus the electric field created between the two electrodes causes the flow of these particles back and forth.
and a polymer solution on top of an indium-tin-oxide (ITO) glass ply that was used as the anode for the LED.
Assembling several tapes as a stack (while leaving air gaps) allows rapid moisture transport to and from the spores,
Prakash decided to build a rotating magnetic field that could act as clock to synchronize all the droplets.
they turned on the magnetic field. Every time the field flips, the polarity of the bars reverses, drawing the magnetized droplets in a new, predetermined direction.
said Professor Pieter Abbeel of UC Berkeley Department of Electrical engineering and Computer sciences, in a statement from the university. he key is that
"or Counter-electronics High-powered Microwave Advanced Missile Project, the American military project is an attempt to develop a device with all the power of a nuclear weapon but without the death and destruction to people and infrastructure that such a weapon
pipes of air conditioners and refrigerators, and radar or telecommunication antennas, the researchers wrote about their findings.
Guo and his team took ordinary dust from a vacuum cleaner and dumped it onto the treated surface.
as well as studying how to expand this technique to other materials such as semiconductors or dielectrics, opening up the possibility of water repellent electronics.
The superconductor in this case is aluminium. Thomas Sand Jespersen an associate professor at the University of Copenhagen who helped create the material says it's a way to make a perfect transition between the nanowire and a superconductor.
Nanowires are extremely thin nanocrystal threads used in the development of new electronic components like transistors and solar cells.
"said senior author Eric Klavins, Ph d.,a UW associate professor of electrical engineering and of bioengineering. It might also enable engineered yeast to perform complicated behaviors that coordinated multicellular systems such as our immune system can accomplish,
and Nicholas J. Bolten, a UW doctoral student in electrical engineering, simply wanted to see if it could induce one yeast cell to send a signal that sets off a cascade of changes in another cell.
#New process prints electroluminescent layers directly onto three-dimensional objects Electroluminescent (EL) panels are found in many electronics applications, particularly as backlighting for LCD displays, keypads, watches,
In essence, the new technique involves printing electroluminescent layers directly onto an object without any intermediate carrier layer (the plastic material mentioned earlier.
when an electric current is applied.""By means of the innovative production process we developed together with our industry partner,
any type of three-dimensional object can be provided with electroluminescent coatings at low costs, "said Doctor Ing.
Electroluminescent panels are a very popular way to backlight a screen, particularly as they provide an even glow across their entire face,
however, the production process sees different components of the coating (specifically the electroluminescent and electrically conductive ingredients) applied using a new and unique pad printing process.
Ultimately, Prakash built a rotating magnetic field to synchronize the flow of all the droplets in a precisely timed manner,
They then surrounded the device with a series of large electromagnetic coils that, when turned on induce a magnetic field in the iron bars.
As this magnetic field has its polarity alternately and continuously changed so too there is a change in the induced magnetic field of the iron bars,
and the magnetized water droplets are drawn around the circuit. Each alternation of the electromagnetic field amounts to one clock cycle,
and each drop moves exactly one step onward with each of these cycles. To observe the process,
and utilizes a cheap air-breathing cathode made of liquid nickel sprayed onto one side of a regular
This is because their research shows that the periodic holes on the surface of the silver film provides excitation of surface-plasmon polaritons (electromagnetic waves that travel along the surface of a metal-dielectric
Of course, there's also a 100-240v AC-DC adapter to plug in the device when power is available.
dramatically increases its resistance in a magnetic field. The material could find use in faster, higher-capacity hard drives and other electronic components.
"The faster the electrons in the material move, the greater the Lorentz force and thus the effect of a magnetic field,"explains study lead author Binghai Yan.
According to the researchers, their ink retains an electrical conductivity greater than 800 S m, an order of magnitude more than previous 3d printed carbon-based materials,
According to the researchers, the vanadium flow battery works especially well with their hybrid electrode, allowing them to boost the electric current,
to generate a rotating magnetic field that makes it possible for devices to receive power from any direction.
but things stray from the norm at the bloated seat tube, which houses the battery and electric motor drive.
"the team claims that this is due to the fact that photoelectrons and holes generated in the larger bandgap of the perovskite are transferred with 80 percent efficiency to become excitons in the quantum dot nanocrystals.
#Earth's magnetic field may be more than 750 million years older than previously thought The Earth's magnetic field is crucial to life on the planet.
who was one of the researchers responsible for the previous-best estimate of the age of Earth's magnetic field (3. 2 to 3. 45 billion years).
A substance called magnetite that lies within the zircon crystals contains information about the magnetic field record at the time the minerals cooled from their molten state a process that took over a billion years.
The magnetic data the researchers found embedded in the ancient magnetite suggests that the Earth had a magnetic field at least 750 million years earlier than previously thought.
which is the heat release mechanism in the Earth's liquid inner core that generates the magnetic field,
also draws more parallels to Mars. Our red neighbor is thought to have developed a magnetic field shortly after its formation,
or the Whirlpool washing machine can run on a quieter setting when the Nest thermostat senses that the house is occupied.
(and high-priced) Whirlpool washer-and-dryer set are interested probably more in coming home to clothes that aren wrinkled than they are about saving a few dollars a year by shifting their dryer cycle to a time
Others, like pole-top transformers, may be right next to power lines, but can effectively use that electricity to run digital devices,
using lithium iron phosphate as the cathode and graphite as the anode, he said. To scale up to this goal
like the semisolid materials that 24m forms into anodes and cathodes. hat we do is provide more line of sight paths for the lithium ions to get out of the electrode,
which 24m layers its anode and cathode materials together, with an electrolyte material in between. he electrolyte lies between the two layers,
It infused into both the cathode and the anode. That necessary for the lithium ions to get out of the back of the battery,
There plenty about how 24m gets its layers of anode cathode and electrolyte to form this perfect blend of battery performance characteristics that Chiang didn reveal in this interview.
But he did say that the startup has put together a set of methods that can allow it to be replicated in a production environment that much,
and Response is aimed at 1. 6 million Medicare fee-for-service beneficiaries whose medical and assistive equipment oxygen concentrators, ventilators,
what they refer to"critical inventory"used by hospitals high-cost medications in refrigerators and high-risk drugs in anesthesia kits and trays.
using electrochemistry, a reconfigurable, voltage-controlled liquid metal antenna that may play a role in future mobile devices and the coming Internet of things.
what is now done with electric currents in semiconductor integrated circuits. Researchers have developed many approaches to do this but have not yet been able to put the oldest and simplest artificial light sourcehe incandescent light bulbnto a chip.
In Karlsruhe, the methods for signal processing and automatic speech recognition have been developed and applied. n addition to the decoding of speech from brain activity
Each charging station will come with two Level 2 chargers that can charge vehicles in several hours plus one Direct current
and from that we can provide signal processing and machine learning techniques to detect gestures. f course,
whose electrical conductivity increases 200-fold when stretched. The research team is using the new fibers to make artificial muscles,
and the thin rubber layer is a dielectric, resulting in a fiber capacitor. These fiber capacitors exhibited the unrivaled capacitance change of 860 percent
including its electrical conductivity. The secret ingredient in Shah ink is a mix of biocompatible elastomer
The critical point is that IBM has integrated the optical components side-by-side with electrical circuits on a single silicon chip using sub-100nm semiconductor technology.
are believed to be the most complex superconductor integrated circuits ever successfully yielded. They are fabricated in part at D-Wave facilities in Palo alto,
it doesn run out in the same way that a battery does. he cell is made up of three layers cathode, electrolyte and anode
The company will also be releasing new printing materials in order to try its hand at printing resistors, sensors and, for future models of its printer, even lithium-ion batteries.
and turned at night to how many steps they walked to the water cooler. But what does it all mean?"
but we've already encountered some who say everyday tasks like opening the refrigerator and getting around the house are much easier.
smooth motor control that people have over their natural limbs. Now, a team of researchers says the members have solved part of the problem of smooth motor control by connecting an artificial limb to a different part of the brain.
Previous designs for mind-controlled prostheses linked the artificial limb to either the person's motor cortex or the individual's premotor cortex
you find fine motor control difficult, "he said. Dan Moran, associate professor of biomedical engineering at Washington University in St louis, said he was a bit skeptical that the new prosthesis provided any finer motor control than already-developed methods of connecting with bionic arms through motor and premotor cortexes.
But the new prosthesis was successful in that"they are decoding both the movement's trajectory,
who studies motor control and prostheses but was involved not in the new research. In the new prosthesis"
Krishna Shenoy, a professor of electrical engineering who studies neural prostheses at Stanford, was enthusiastic about the new prosthesis."
which run on light rather than electric current. The problem has been one of size and temperature incandescent filaments must get extremely hot before they can produce visible light.
When electric current is passed through an incandescent light bulb's filament usually made of tungsten the filament heats up and glows.
The key was using a rotating magnetic field, like a clock. The core of the new microfluidic chip,
Next, the researchers turned on a rotating magnetic field. Each time the magnetic field reversed, the bars flipped, drawing the magnetized droplets along specific directions,
the researchers said. Each rotation of the magnetic field was very much like a cycle on a clock for instance,
a second hand making a full circle on a clock face. The rotating magnetic field ensured that every droplet ratcheted precisely one step forward with each cycle, moving in perfect synchrony.
A camera recorded the movements and interactions of all the droplets. The presence of a droplet in any given space represents a one in computer data
This material's electronic properties can be controlled by a magnetic field. The researchers synthesized nanoparticles of bismuth ferrite
as well as the electrical conductivity of the spinal cord and nearby tissue. Additionally, unlike other non-rechargeable spinal cord stimulators, the Precision Novi is able to provide different field shapes
which can be moved out of the way by delivering an electric current. Each reservoir can be activated individually to open up depending on the applied current,
an electric generator capable of powering a pair of LED LIGHTS, and a miniature toy"car"that seemingly moves with miraculous efficiency.
This kinetic energy is converted then into electricity via an alternator that multiplies the frequency of the mast oscillation to improve the energy-gathering efficiency.
and created a pump that moves fluid using vibration instead of a rotor. When a fluid is squeezed
and applying very large magnetic fields to them, "says Sanchez-Yamagishi, who carried out measurements at the National High Magnetic field Laboratory in Tallahassee, Fla.
The lab features the largest continuous magnet in the world, 45 Tesla, which is about 10,000 times the strength of a refrigerator magnet.
Sanchez-Yamagishi was a lead co-author of a 2014 paper in Nature("Tunable symmetry breaking and helical edge transport in a graphene quantum spin Hall state)
"which showed that having a component of the applied magnetic field in the graphene plane forced electrons at the edge of graphene to move in opposite directions based on their spins.
and the samples are exposed to a large out-of-plane magnetic field, they exhibit electronic energy levels that are called"Hofstadter's butterfly,
and Mark Ratner who theorized in 1974 that a molecule could act as a rectifier, a one-way conductor of electric current.
including resistors, switches, transistors, and, indeed, diodes. They have learned that it is possible to see quantum mechanical effects, such as interference, manifest in the conductance properties of molecular junctions.
The majority of today's wireless devices use gallium arsenide-based microwave chips due to their superior high-frequency operation and power handling capabilities.
Typically for a microwave chip that size, there are only eight to 40 transistors. The rest of the area is wasted just,
The electrons at the center of the spirals are driven pretty vigorously by the laser electric field.
when heated by an electric current, the researchers could then stretch the nanowire in a controlled way.
and then a strong electric field stretches it out. The process is slow, however, and the number of nozzles per unit area is limited by the size of the pump hydraulics. The other approach is to apply a voltage between a rotating drum covered by metal cones and a collector electrode.
and the electric field causes the solution to travel to the top of the cones, where it emitted toward the electrode as a fiber.
says Reza Ghodssi, a professor of electrical engineering at the University of Maryland. Relative to other approaches, he adds,
and then a strong electric field stretches it out. The process is slow, however, and the number of nozzles per unit area is limited by the size of the pump hydraulics. The other approach is to apply a voltage between a rotating drum covered by metal cones and a collector electrode.
and the electric field causes the solution to travel to the top of the cones, where it emitted toward the electrode as a fiber.
says Reza Ghodssi, a professor of electrical engineering at the University of Maryland. Relative to other approaches, he adds,
what is now done with electric currents in semiconductor integrated circuits. Researchers have developed many approaches to do this, but have not yet been able to put the oldest and simplest artificial light sourcehe incandescent light bulbnto a chip.
and Professor Chongwu Zhou of the Ming Hsieh Department of Electrical engineering, in concert with their collaborators, is documented in a paper titled lack Arsenic-Phosphorus:
Commercially available electric heating pads are sufficient for applying heat to an injured area but their cords need to be attached to an A c outlet to work.
was made in the lab of Federico Capasso, the Robert L. Wallace Professor of Applied Physics and Vinton Hayes Senior Research Fellow in Electrical engineering at the Harvard John A. Paulson School of engineering and Applied science (SEAS)."
2015superconductivity Ciqus researchers obtain high-quality perovskites over large areas by a chemical method March 4th, 2015warming up the world of superconductors:
2015ultra-thin nanowires can trap electron'twisters'that disrupt superconductors February 24th, 2015simulating superconducting materials with ultracold atoms:
Rice physicists build superconductor analog, observe antiferromagnetic order February 23rd, 2015quantum Computing Forbidden quantum leaps possible with high-res spectroscopy March 2nd,
Researchers from Dresden and Jlich use microwaves to read out information from smallest storage devices March 4th,
Researchers from Dresden and Jlich use microwaves to read out information from smallest storage devices March 4th, 2015nanosorbents Increase Extraction, Recycling of Silver from Aqueous solutions March 4th, 201 1
#XEI Scientific and University of Southern California announce a publication in Advanced Materials on the use of downstream plasma cleaning The research team of Associate professor Stephen Cronin is located in the Ming Hseih Department of Electrical engineering
"said Michel Maharbiz, a UC Berkeley associate professor of electrical engineering and computer sciences and head of the smart-bandage project."
allowing electrical signals to leak through, much like a resistor.""Our device is a comprehensive demonstration that tissue health in a living organism can be mapped locally using impedance spectroscopy,
"said study lead author Sarah Swisher, a Ph d. candidate in electrical engineering and computer sciences at UC Berkeley.
"##Other lead researchers on the project include Vivek Subramanian and Ana Claudia Arias, both faculty members in UC Berkeley's Department of Electrical engineering and Computer sciences;
and Yasser Khan, a UC Berkeley Ph d. student in electrical engineering and computer sciences, who fabricated the sensor array.
The distortion results from the fact that an electric charge positioned near a metallic surface will produce just such an electric field
2015iranian Scientists Apply Nanotechnology to Produce Electrical insulator March 7th, 2015new nanowire structure absorbs light efficiently: Dual-type nanowire arrays can be used in applications such as LEDS and solar cells February 25th,
2015ultra-thin nanowires can trap electron'twisters'that disrupt superconductors February 24th, 2015discoveries Quantum computing: 1 step closer with defect-free logic gate-Developing a new approach to quantum computing, based on braided quasiparticles as a logic gate to speed up computing,
along with colleagues at Aix-Marseille University in France, have discovered a high performance cathode material with great promise for use in next generation lithium-sulfur batteries that could one day be used to power
One of the major challenges for the practical application of lithium-sulfur batteries is to find cathode materials that demonstrate long-term stability.
cathode. In a paper they recently published in the chemistry journal Angewandte Chemie, Gogotsi, along with his colleagues at Aix-Marseille University explain their process for extracting the nanolaminate from a three-dimensional material called a Ti2sc MAX phase.
Currently, sulfur infiltrated carbon nanomaterials have demonstrated to be the most promising cathode materials for Li-S batteries.
The Columbia team, led by Electrical engineering Associate professor Harish Krishnaswamy, is the first to demonstrate an IC that can accomplish this.
"We are working closely with Electrical engineering Associate professor Gil Zussman's group, who are network theory experts here at Columbia Engineering,
Article in the journal APL Materials shows how to grow Bi2pt2o7 pyrochlore, potentially a more effective cathode for future fuel cells March 10th, 2015graphene meets heat waves March 9th,
Rice physicists build superconductor analog, observe antiferromagnetic order February 23rd, 2015aerospace/Space Anousheh Ansari Wins the National Space Society's Space Pioneer Award
2015iranian Researchers Prolong Life of Steel Armatures in Concrete Structures January 9th, 201 2
#Super-resolution microscopes reveal the link between genome packaging and cell pluripotency: A study using super-resolution microscopy reveals that our genome is packaged not regularly
#Researchers snap-shot fastest observations of superconductivity yet Abstract: An international team of researchers has used infinitely short light pulses to observe ultrafast changes in the electron-level properties of superconductors, setting a new standard for temporal resolution in the field.
The scientists--from the Universit Cattolica del Sacro Cuore, the University of British columbia (UBC) and other institutions--liken the new technique to the development of high-speed film capture in the early days of photography."
like superconductivity, could revolutionize technology.#####For more information, please click herecontacts: Chris Balmawriteemail('science. ubc. ca','balma';
Here's how to see the'fastest slow process'--to understand superconductors March 9th, 2015strength in numbers:
2015ciqus researchers obtain high-quality perovskites over large areas by a chemical method March 4th, 2015warming up the world of superconductors:
Article in the journal APL Materials shows how to grow Bi2pt2o7 pyrochlore, potentially a more effective cathode for future fuel cells March 10th,
Article in the journal APL Materials shows how to grow Bi2pt2o7 pyrochlore, potentially a more effective cathode for future fuel cells March 10th,
Article in the journal APL Materials shows how to grow Bi2pt2o7 pyrochlore, potentially a more effective cathode for future fuel cells Abstract:
which could act as a more effective cathode--a fundamental electrode component of fuel cells from which positive current flows through an external circuit delivering electric power."
"The much less studied cubic pyrochlore structure is an appealing alternative to perovskites for such applications as fuel cell cathodes."
The cathode of a solid oxide fuel cell electrochemically reduces oxygen. Bi2pto7's oxygen-deficient structure makes it an ideal catalyst for the process.
2015discoveries Researchers snap-shot fastest observations of superconductivity yet March 10th, 2015the chameleon reorganizes its nanocrystals to change colors March 10th,
2015interviews/Book reviews/Essays/Reports/Podcasts/Journals/White papers Researchers snap-shot fastest observations of superconductivity yet March 10th,
March 10th, 2015energy ORNL microscopy directly images problematic lithium dendrites in batteries March 7th, 2015iranian Scientists Apply Nanotechnology to Produce Electrical insulator March 7th,
it is critical to have a large electrochemically accessible surface area, high electrical conductivity and short ion diffusion pathways.
"says study co-lead author Yu-Chih Chen, a postdoctoral researcher in Electrical engineering and Computer science at the University of Michigan College of Engineering.
and biology,"says study co-senior author Euisik Yoon, Ph d.,professor of electrical engineering and computer science and of biomedical engineering and director of the Lurie Nanofabrication Facility at the U-M College of Engineering."
With its high electrical conductivity, ability to store energy, and ultra-strong and lightweight structure, graphene has potential for many applications in electronics, energy, the environment,
including its electrical conductivity. And it's flexible and robust enough to print robust macroscopic structures.
and graphene's electrical conductivity most likely contributed to the scaffold's biological success."Cells conduct electricity inherently--especially neurons,
and Mark Ratner who theorized in 1974 that a molecule could act as a rectifier, a one-way conductor of electric current.
including resistors, switches, transistors, and, indeed, diodes. They have learned that it is possible to see quantum mechanical effects, such as interference, manifest in the conductance properties of molecular junctions.
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