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Electroengineering
Results 81 - 100 of 680.
New measurements call spin liquids into question
Is it possible to transmit information through a material in the form of electron spins? New measurements show: not in the way that scientists had been working on for decades. It is an old dream of solid-state physics: "spin liquids" are a hypothetical state of matter with exotic magnetic properties.
Is it possible to transmit information through a material in the form of electron spins? New measurements show: not in the way that scientists had been working on for decades. It is an old dream of solid-state physics: "spin liquids" are a hypothetical state of matter with exotic magnetic properties.
Experts’ Predictions for Future Wind Energy Costs Drop Significantly
Berkeley Lab-led study shows expected cost declines of 17%-35% by 2035 and 37%-49% by 2050 Technology and commercial advancements are expected to continue to drive down the cost of wind energy, according to a survey led by Lawrence Berkeley National Laboratory (Berkeley Lab) of the world's foremost wind power experts.
Berkeley Lab-led study shows expected cost declines of 17%-35% by 2035 and 37%-49% by 2050 Technology and commercial advancements are expected to continue to drive down the cost of wind energy, according to a survey led by Lawrence Berkeley National Laboratory (Berkeley Lab) of the world's foremost wind power experts.
Tiny wireless implant detects oxygen deep within the body
This wireless implant, developed by engineers at the University of California, Berkeley, can measure the oxygenation of living tissue deep below the surface of the skin. (UC Berkeley photo by Soner Sonmezoglu) Engineers at the University of California, Berkeley, have created a tiny wireless implant that can provide real-time measurements of tissue oxygen levels deep underneath the skin.
This wireless implant, developed by engineers at the University of California, Berkeley, can measure the oxygenation of living tissue deep below the surface of the skin. (UC Berkeley photo by Soner Sonmezoglu) Engineers at the University of California, Berkeley, have created a tiny wireless implant that can provide real-time measurements of tissue oxygen levels deep underneath the skin.
Discovery could help lengthen lifespan of electronic devices
University of Sydney researchers have made a significant discovery in the field of materials science, for the first time providing a full picture of how fatigue in ferroelectric materials occurs. Ferroelectric materials are used in many devices, including memories, capacitors, actuators and sensors. These devices are commonly used in both consumer and industrial instruments, such as computers, medical ultrasound equipment and underwater sonars.
University of Sydney researchers have made a significant discovery in the field of materials science, for the first time providing a full picture of how fatigue in ferroelectric materials occurs. Ferroelectric materials are used in many devices, including memories, capacitors, actuators and sensors. These devices are commonly used in both consumer and industrial instruments, such as computers, medical ultrasound equipment and underwater sonars.
New nanotransistors keep their cool at high voltages
Power converters play an essential role in electric vehicles and solar panels, for example, but tend to lose a lot of power in the form of heat in the electricity conversion process. Thanks to a new type of transistor developed at EPFL, these converters can perform at substantially improved efficiencies, especially in high-power applications.
Power converters play an essential role in electric vehicles and solar panels, for example, but tend to lose a lot of power in the form of heat in the electricity conversion process. Thanks to a new type of transistor developed at EPFL, these converters can perform at substantially improved efficiencies, especially in high-power applications.
A Touch of Silver
Carnegie Mellon University In the field of robotics, metals offer advantages like strength, durability and electrical conductivity. But, they are heavy and rigid - properties that are undesirable in soft and flexible systems for wearable computing and human-machine interfaces. Hydrogels, on the other hand, are lightweight, stretchable and biocompatible, making them excellent materials for contact lenses and tissue engineering scaffolding.
Carnegie Mellon University In the field of robotics, metals offer advantages like strength, durability and electrical conductivity. But, they are heavy and rigid - properties that are undesirable in soft and flexible systems for wearable computing and human-machine interfaces. Hydrogels, on the other hand, are lightweight, stretchable and biocompatible, making them excellent materials for contact lenses and tissue engineering scaffolding.
Nano-mapping phase transitions in electronic materials
Scientists at EPFL and the University of Geneva have combined two powerful, cutting-edge techniques to uncover the physics behind an exotic phase transition that turns a metal into an insulator. The materials they looked at are rare-earth nickelates, which are of great interest for innovating new approaches in electronics.
Scientists at EPFL and the University of Geneva have combined two powerful, cutting-edge techniques to uncover the physics behind an exotic phase transition that turns a metal into an insulator. The materials they looked at are rare-earth nickelates, which are of great interest for innovating new approaches in electronics.
Harnessing existing generation assets can enable Net Zero Carbon energy systems for regions and cities, modelling data confirms
Joint project with Birmingham's Tyseley Energy Park and the University of Birmingham. Demonstrates the potential of cost-effective decarbonisation through more effective utilisation and coordination of current and planned generation assets. A more coordinated net zero system could supply up to 50,000 users with CO2-neutral electricity or supply Birmingham airport with green electricity, heat and cooling.
Joint project with Birmingham's Tyseley Energy Park and the University of Birmingham. Demonstrates the potential of cost-effective decarbonisation through more effective utilisation and coordination of current and planned generation assets. A more coordinated net zero system could supply up to 50,000 users with CO2-neutral electricity or supply Birmingham airport with green electricity, heat and cooling.
Nano-mapping phase transitions in electronic materials
Scientists at EPFL and the University of Geneva have combined two powerful, cutting-edge techniques to uncover the physics behind an exotic phase transition that turns a metal into an insulator. The materials they looked at are rare-earth nickelates, which are of great interest for innovating new approaches in electronics.
Scientists at EPFL and the University of Geneva have combined two powerful, cutting-edge techniques to uncover the physics behind an exotic phase transition that turns a metal into an insulator. The materials they looked at are rare-earth nickelates, which are of great interest for innovating new approaches in electronics.
Microchips of the Future: Suitable Insulators are Still Missing
Until now, hexagonal boron nitride was considered the insulator of choice for miniaturised transistors. New investigations by TU Wien (Vienna) show: this may not be the way to go. For decades, there has been a trend in microelectronics towards ever smaller and more compact transistors. 2D materials such as graphene are seen as a beacon of hope here: they are the thinnest material layers that can possibly exist, consisting of only one or a few atomic layers.
Until now, hexagonal boron nitride was considered the insulator of choice for miniaturised transistors. New investigations by TU Wien (Vienna) show: this may not be the way to go. For decades, there has been a trend in microelectronics towards ever smaller and more compact transistors. 2D materials such as graphene are seen as a beacon of hope here: they are the thinnest material layers that can possibly exist, consisting of only one or a few atomic layers.
Engineers share DIY instructions for 3D-printed blood oxygen sensor
'Make-at-home' pulse oximeter that can help track Covid-19 symptoms shared by Bath engineers Last updated on Wednesday 17 February 2021 Designs for a low-cost, 3D-printed blood-oxygen sensor have been shared by University of Bath engineers to help in the fight against Covid-19. The do-it-yourself 'Open Oximeter' sensor, designed by a team of engineers and scientists, can be created by anyone with a 3D printer and basic electronics skills.
'Make-at-home' pulse oximeter that can help track Covid-19 symptoms shared by Bath engineers Last updated on Wednesday 17 February 2021 Designs for a low-cost, 3D-printed blood-oxygen sensor have been shared by University of Bath engineers to help in the fight against Covid-19. The do-it-yourself 'Open Oximeter' sensor, designed by a team of engineers and scientists, can be created by anyone with a 3D printer and basic electronics skills.
Kagome graphene promises exciting properties
For the first time, physicists from the University of Basel have produced a graphene compound consisting of carbon atoms and a small number of nitrogen atoms in a regular grid of hexagons and triangles. This honeycomb-structured -kagome lattice- behaves as a semiconductor and may also have unusual electrical properties.
For the first time, physicists from the University of Basel have produced a graphene compound consisting of carbon atoms and a small number of nitrogen atoms in a regular grid of hexagons and triangles. This honeycomb-structured -kagome lattice- behaves as a semiconductor and may also have unusual electrical properties.
Pivotal discovery could open new field of quantum ’magnonics’
In a first-of-its-kind discovery, researchers in the University of Chicago's Pritzker School of Molecular Engineering and Argonne National Laboratory announced they can directly control the interactions between two types of quantum particles called microwave photons and magnons. The approach may become a new way to build quantum technology, including electronic devices with new capabilities.
In a first-of-its-kind discovery, researchers in the University of Chicago's Pritzker School of Molecular Engineering and Argonne National Laboratory announced they can directly control the interactions between two types of quantum particles called microwave photons and magnons. The approach may become a new way to build quantum technology, including electronic devices with new capabilities.
Benefits of the UK’s first affordable energy positive house are confirmed
Savings of up to £1,000 a year on energy bills could be made by living in the UK's first affordable energy positive house, researchers have shown. The team from Cardiff University say that over the course of a year the house exports 1.3 times more electricity to the grid than it consumes, thus resulting in overall net negative carbon emissions, equating to around -179 kg per year.
Savings of up to £1,000 a year on energy bills could be made by living in the UK's first affordable energy positive house, researchers have shown. The team from Cardiff University say that over the course of a year the house exports 1.3 times more electricity to the grid than it consumes, thus resulting in overall net negative carbon emissions, equating to around -179 kg per year.
Electrically switchable qubit can tune between storage and fast calculation modes
To perform calculations, quantum computers need qubits to act as elementary building blocks that process and store information. Now, physicists have produced a new type of qubit that can be switched from a stable idle mode to a fast calculation mode. The concept would also allow a large number of qubits to be combined into a powerful quantum computer, as researchers from the University of Basel and TU Eindhoven have reported in the journal -Nature Nanotechnology-.
To perform calculations, quantum computers need qubits to act as elementary building blocks that process and store information. Now, physicists have produced a new type of qubit that can be switched from a stable idle mode to a fast calculation mode. The concept would also allow a large number of qubits to be combined into a powerful quantum computer, as researchers from the University of Basel and TU Eindhoven have reported in the journal -Nature Nanotechnology-.
Solar storms as danger for the power grid
By Birgit Baustädter Power cuts have a wide variety of causes. Mostly we think of damaged power lines due to wind and weather or unplanned power surges that overload the grid. But solar storms can also lead to them. Electricity is omnipresent in our lives. So omnipresent that we no longer even consciously perceive it.
By Birgit Baustädter Power cuts have a wide variety of causes. Mostly we think of damaged power lines due to wind and weather or unplanned power surges that overload the grid. But solar storms can also lead to them. Electricity is omnipresent in our lives. So omnipresent that we no longer even consciously perceive it.
Information transport via magnons
Pseudospin in antiferromagnets: new perspectives for information technologies Elementary particles carry an intrinsic angular momentum known as their spin. For an electron, the spin can take only two particular values relative to a quantization axis, letting us denote them as spin-up and spin-down electrons.
Pseudospin in antiferromagnets: new perspectives for information technologies Elementary particles carry an intrinsic angular momentum known as their spin. For an electron, the spin can take only two particular values relative to a quantization axis, letting us denote them as spin-up and spin-down electrons.
Enhancing Production of Hydropower Plants and Eco-Friendly Electricity Generation
By Helmut Benigni The EU's Green Deal and Austria's efforts to generate the total demand for electricity in Austria based on renewable energies call for a boost of advancement in the hydropower industry. At present, hydropower is the only technology capable of storing and generating renewable electrical energy on a large scale, on-demand and in large capacities.
By Helmut Benigni The EU's Green Deal and Austria's efforts to generate the total demand for electricity in Austria based on renewable energies call for a boost of advancement in the hydropower industry. At present, hydropower is the only technology capable of storing and generating renewable electrical energy on a large scale, on-demand and in large capacities.
Combining light and sound to see underwater
The experimental Photoacoustic Airborne Sonar System setup in the lab (left). A Stanford "S" submerged beneath the water (middle) is reconstructed in 3D using reflected ultrasound waves (right). (Image credit: Aidan Fitzpatrick) The "Photoacoustic Airborne Sonar System" could be installed beneath drones to enable aerial underwater surveys and high-resolution mapping of the deep ocean.
The experimental Photoacoustic Airborne Sonar System setup in the lab (left). A Stanford "S" submerged beneath the water (middle) is reconstructed in 3D using reflected ultrasound waves (right). (Image credit: Aidan Fitzpatrick) The "Photoacoustic Airborne Sonar System" could be installed beneath drones to enable aerial underwater surveys and high-resolution mapping of the deep ocean.
TU Graz starts CD laboratory for multifunctional and highly integrated electronic components
By Susanne Eigner The Christian Doppler Laboratory for Technology-Guided Electronic Component Design and Characterization investigates ways to better control electromagnetic interactions in smart networked devices, especially in the 5G frequency range. In smartphones and many other complex, wirelessly networked devices, sophisticated technologies are used to integrate the individual electronic components into the housing.
By Susanne Eigner The Christian Doppler Laboratory for Technology-Guided Electronic Component Design and Characterization investigates ways to better control electromagnetic interactions in smart networked devices, especially in the 5G frequency range. In smartphones and many other complex, wirelessly networked devices, sophisticated technologies are used to integrate the individual electronic components into the housing.
Architecture - Today
Greix-Decline in apartment prices mainly affects existing stock, new construction prices relatively stable
Greix-Decline in apartment prices mainly affects existing stock, new construction prices relatively stable

Health - Today
The informative talks 'Science and Beers' are back within the framework of the Mediterranean Researchers' Night
The informative talks 'Science and Beers' are back within the framework of the Mediterranean Researchers' Night
Innovation - Sep 21
University of Glasgow lends support to new UK-government funded connectivity projects
University of Glasgow lends support to new UK-government funded connectivity projects
Health - Sep 21
La Nau hosts the awards ceremony for the FisioCómic2023 university contest, on physiological processes
La Nau hosts the awards ceremony for the FisioCómic2023 university contest, on physiological processes
Health - Sep 21
David Cameron visits new centre of excellence for UCL Neuroscience to mark World Alzheimer's Day
David Cameron visits new centre of excellence for UCL Neuroscience to mark World Alzheimer's Day

Life Sciences - Sep 21
Rosario Gil: 'In Valencia we are developing a system to fight the plague of the tiger mosquito with the Wolbachia bacteria'
Rosario Gil: 'In Valencia we are developing a system to fight the plague of the tiger mosquito with the Wolbachia bacteria'
Life Sciences - Sep 21
World Alzheimer's Day: How UCL academics are spearheading the fight against Alzheimer's disease
World Alzheimer's Day: How UCL academics are spearheading the fight against Alzheimer's disease