Current Electrical Engineering News and Events | Page 25

Current Electrical Engineering News and Events, Electrical Engineering News Articles.
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Novel system mimics focus activity of the human eye
At SIGGRAPH 2018, attendees will have the chance to test a new computational system that effectively mimics the natural way the human eye corrects focus, specifically while viewing objects that are closer rather than farther away. (2018-06-12)

Evidence for a new property of quantum matter revealed
A theorized but never-before detected property of quantum matter has now been spotted in the lab. (2018-06-11)

Electrons take one step forward without two steps back
Researchers at the University of California, Riverside, have, for the first time, successfully used electric dipoles to completely suppress electron transfer in one direction while accelerating in the other. The discovery could aid development of improved solar cells and other energy-conversion devices and hasten the design of new and superb energy and electronic materials. (2018-06-08)

Silicon provides means to control quantum bits for faster algorithms
Quantum bits are now easier to manipulate for devices in quantum computing, thanks to enhanced spin-orbit interaction in silicon. (2018-06-08)

Increased electrical activity in eye may relieve short-term dry eye pain
A boost of electrical activity in the eye's mucous membranes may lead to new treatments for the painful condition known as dry eye. The study, published ahead of print in the American Journal of Physiology -- Cell Physiology, was chosen as an APSselect article for June. (2018-06-06)

Collaborative team first to identify the perinexus in the human heart
A collaborative research team is on a quest to collapse a tiny pocket between cardiac cells that can cause big problems. Called the perinexus, the structure spans only tenths of a millimeter -- all the space it needs to disrupt a person's heartbeat. The researchers were the first to identify the perinexus in humans. They published their results this month in Frontiers in Physiology. (2018-06-06)

Fungi-produced pigment shows promise as semiconductor material
Researchers at Oregon State University are looking at a highly durable organic pigment, used by humans in artwork for hundreds of years, as a promising possibility as a semiconductor material. (2018-06-05)

Novel insulators with conducting edges
Physicists at UZH are researching a new class of materials: Higher-order topological insulators. The edges of these crystalline solids conduct electric current without dissipation, while the rest of the crystal remains insulating. This could be useful for applications in semiconductor technology and for building quantum computers. (2018-06-01)

Recycled electrical products lead to hazardous chemicals appearing in everyday items
Hazardous chemicals such as bromine, antimony and lead are finding their way into food-contact items and other everyday products because manufacturers are using recycled electrical equipment as a source of black plastic, according to a new study. (2018-05-30)

Promise of faster, more accessible schizophrenia diagnosis, Rutgers study shows
A Rutgers study shows how the hand-held device RETeval may prove to be a more accessible way to diagnose schizophrenia, predict relapse and symptom severity, and assess treatment effectiveness. (2018-05-30)

Researchers predict materials to stabilize record-high capacity lithium-ion battery
A Northwestern University research team has found ways to stabilize a new battery with a record-high charge capacity. By adding chromium or vanadium to the lithium-manganese-oxide cathode, the battery could enable smart phones and battery-powered automobiles to last more than twice as long between charges. (2018-05-29)

Scientists improve ability to measure electrical properties of plasma
New research indicates a way to more accurately measure the electrical properties of plasma when it meets a solid surface. (2018-05-29)

Scientists discover new magnetic element
A new experimental discovery, led by researchers at the University of Minnesota, demonstrates that the chemical element ruthenium (Ru) is the fourth single element to have unique magnetic properties at room temperature. The discovery could be used to improve sensors, devices in the computer memory and logic industry, or other devices using magnetic materials. (2018-05-25)

Zinc oxide-graphene solar cells could provide new opportunities
The researchers report on the fabrication and characterization of zinc oxide (ZnO) and zinc oxide-graphene (ZnO-G) composites via a simple chemical route-polyol process, using zinc nitrate hexahydrate, ethylene glycol and reduced graphene oxide (RGO) as the precursors. (2018-05-25)

Silicon breakthrough could make key microwave technology much cheaper and better
Researchers using powerful supercomputers have found a way to generate microwaves with inexpensive silicon, a breakthrough that could dramatically cut costs and improve devices such as sensors in self-driving vehicles. (2018-05-24)

Switching with molecules
Molecular switch will facilitate the development of pioneering electro-optical devices (2018-05-24)

How greener grids can stay lit
Without careful management, distributed energy resources have the potential to cause unreliable power delivery, or even outages, and lead utility companies to overcharge customers. A new index will help ISOs and utilities account for uncertainties introduced by both the electricity market and DERs so utility companies can balance the distribution grid and find the fairest customer rates. (2018-05-24)

Rare element to provide better material for high-speed electronics
Purdue researchers have discovered a new two-dimensional material, derived from the rare element tellurium, to make transistors that carry a current better throughout a computer chip. (2018-05-24)

Ingestible 'bacteria on a chip' could help diagnose disease
MIT researchers have built an ingestible sensor equipped with genetically engineered bacteria that can diagnose bleeding in the stomach or other gastrointestinal problems. (2018-05-24)

Researchers devise more effective location awareness for the Internet-of-(many)-Things
Anticipating a critical strain on the ability of fifth generation (5G) networks to keep track of a rapidly growing number of mobile devices, engineers at Tufts University have come up with an improved algorithm for localizing and tracking these products that distributes the task among the devices themselves. It is a scalable solution that could meet the demands of a projected 50 billion connected products in the Internet-of-Things by 2020. (2018-05-24)

Low-cost membrane cleans up light and heavy oils in a single step
Researchers at the University of British Columbia have developed a low-cost membrane that effectively separates oil and water on demand -- potentially paving the way for faster cleanups of oil spills and improved treatment of industrial wastewater in the future. (2018-05-24)

Understanding light-induced electrical current in atomically thin nanomaterials
Scientists demonstrated that scanning photocurrent microscopy--an imaging capability just added to Brookhaven Lab's Center for Functional Nanomaterials--could provide the optoelectronic information needed to improve the performance of devices for power generation, communications, data storage, and lighting (2018-05-23)

First chip-scale broadband optical system that can sense molecules in the mid-IR
Researchers at Columbia Engineering have demonstrated, for the first time, a chip-based dual-comb spectrometer in the mid-infrared range, that requires no moving parts and can acquire spectra in less than 2 microseconds. The system, which consists of two mutually coherent, low-noise, microresonator-based frequency combs spanning 2600 nm to 4100 nm, could lead to the development of a spectroscopy lab-on-a-chip for real-time sensing on the nanosecond time scale. (2018-05-23)

Self-healing material a breakthrough for bio-inspired robotics
Many natural organisms have the ability to repair themselves. Now, manufactured machines will be able to mimic this property. In findings published this week in Nature Materials, researchers at Carnegie Mellon University have created a self-healing material that spontaneously repairs itself under extreme mechanical damage. (2018-05-21)

Montana State laser technology could help Yellowstone battle invasive trout
A laser-based sensor developed by electrical engineering professor Joe Shaw has been shown to be effective at locating non-native lake trout, which Yellowstone National Park managers remove in an attempt to reverse the decline of native cutthroat trout. (2018-05-21)

Soft machines
In the world of robotics, soft robots are the new kids on the block. The unique capabilities of these automata are to bend, deform, stretch, twist or squeeze in all the ways that conventional rigid robots cannot. Today, it is easy to envision a world in which humans and robots collaborate -- in close proximity -- in many realms. Emerging soft robots may help to ensure that this can be done safely, and in a way that syncs to human environments or even interfaces with humans themselves. (2018-05-21)

Rutgers researchers create a 3D-printed smart gel that walks underwater, moves objects
Rutgers University-New Brunswick engineers have created a 3D-printed smart gel that walks underwater and grabs objects and moves them. The watery creation could lead to soft robots that mimic sea animals like the octopus, which can walk underwater and bump into things without damaging them. It may also lead to artificial heart, stomach and other muscles, along with devices for diagnosing diseases, detecting and delivering drugs and performing underwater inspections. (2018-05-18)

Keep the light off: A material with improved mechanical performance in the dark
Nagoya University researchers found that zinc sulfide crystals were brittle under normal lighting conditions at room temperature, but highly plastic when deformed in complete darkness. Deformation of zinc sulfide crystals in the dark also narrowed their band gap, which controls electrical conductivity. The team's findings showed the mechanical and electronic properties of inorganic semiconductors are sensitive to light, revealing a possible route to engineer the performance of inorganic semiconductors, which are important in electronics. (2018-05-17)

New algorithm more accurately predicts life expectancy after heart failure
A new algorithm developed by UCLA researchers more accurately predicts which people will survive heart failure, and for how long, whether or not they receive a heart transplant. (2018-05-17)

Researchers control the properties of graphene transistors using pressure
A Columbia University-led international team of researchers has developed a technique to manipulate the electrical conductivity of graphene with compression, bringing the material one step closer to being a viable semiconductor for use in today's electronic devices. (2018-05-16)

A green approach to making ammonia could help feed the world
A UCF research team with collaborators at Virginia Tech have developed a new 'green' approach to making ammonia that may help make feeding the rising world population more sustainable. (2018-05-15)

The first wireless flying robotic insect takes off
Engineers at the University of Washington have created RoboFly, the first wireless flying robotic insect. RoboFly is slightly heavier than a toothpick and is powered by a laser beam. (2018-05-15)

Making carbon nanotubes as usable as common plastics
By using an inexpensive, already mass produced, simple solvent called cresol, Northwestern University's Jiaxing Huang has discovered a way to make disperse carbon nanotubes at unprecedentedly high concentrations without the need for additives or harsh chemical reactions to modify the nanotubes. In a surprising twist, Huang also found that as the nanotubes' concentrations increase, the material transitions from a dilute dispersion to a thick paste, then a free-standing gel and finally a kneadable dough that can be shaped and molded. (2018-05-15)

A micro-thermometer to record tiny temperature changes
Scientists at Tokyo Institute of Technology (Tokyo Tech) and their collaborators have developed a micrometer-wide thermometer that is sensitive to heat generated by optical and electron beams, and can measure small and rapid temperature changes in real time. This new device can be used to explore heat transport on the micro- and nano-scales, and in optical microscopy and synchrotron radiation experiments. (2018-05-14)

Engineers on a roll toward smaller, more efficient radio frequency transformers
The future of electronic devices lies partly within the 'internet of things' -- the network of devices, vehicles and appliances embedded within electronics to enable connectivity and data exchange. University of Illinois engineers are helping realize this future by minimizing the size of one notoriously large element of integrated circuits used for wireless communication -- the transformer. (2018-05-14)

Battery-free 'smart' toys move closer to commercial reality (video)
Rubber duckies could soon be at the forefront of an electronic revolution. In ACS Sustainable Chemistry & Engineering, scientists report they have used specialized nanogenerators that gather energy from mechanical vibrations to transform squeaky bathtub companions and other conventional children's toys into 'smart' electronics. They say the finding could have broad commercial applications, leading to the development of battery-free, self-powered toys, medical sensors and other devices. (2018-05-09)

New gene therapy sparks healthy heart beats
Michael Kotlikoff, provost of Cornell University and a professor of molecular physiology, is part of an international collaboration that is aiming to prevent heart arrhythmias with a simple gene-therapy approach. (2018-05-09)

Heartbeat out of sync
Life-threatening cardiac arrhythmias often occur after a heart attack, as the scar tissue can interfere with the spread of electrical impulses that activate the heart. An international research team under the leadership of the University Hospital Bonn in collaboration with colleagues from the Cornell University and the University of Pittsburgh has now developed a method to improve electrical transmission in the heart by transferring a single gene, Connexin 43, to cells that form the infarct scar. (2018-05-08)

Tech bends light more efficiently, offers wider angles for light input
Engineering and physics researchers have developed a new technology for steering light that allows for more light input and greater efficiency -- a development that holds promise for creating more immersive augmented-reality display systems. (2018-05-08)

Voltage loss in cable bacteria
An international research group has shed new light on cable bacteria. Using laser light, researchers have followed electrons as they travel through the current-conducting bacteria, and on the basis of the electrical potential in the bacteria, they have calculated that the bacteria because of voltage loss cannot function efficiently at depths exceeding 3 cm into the sediment. (2018-05-08)

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