Current Wireless Devices News and Events

Current Wireless Devices News and Events, Wireless Devices News Articles.
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Silver and gold nanowires open the way to better electrochromic devices
A Canadian team from the Institut national de la recherche scientifique (INRS) developed a new approach for foldable and solid devices. (2021-02-22)

Irregular sleep schedules connected to bad moods and depression, study shows
Irregular sleep schedules can affect mood and risk of developing symptoms of depression according to a study of first-year medical residents that used Fitbits and smartphones. (2021-02-18)

Engineers place molecule-scale devices in precise orientation
A technique for controlling the orientation of manufactured DNA shapes now removes one of the last barriers for the combination of molecular devices with conventional semiconductor chips. (2021-02-18)

You snooze, you lose - with some sleep trackers
Wearable sleep tracking devices - from Fitbit to Apple Watch to never-heard-of brands stashed away in the electronics clearance bin - have infiltrated the market at a rapid pace in recent years. And like any consumer products, not all sleep trackers are created equal, according to West Virginia University neuroscientists. (2021-02-17)

Electrons living on the edge
University of Tsukuba researchers calculated the electronic structure of topological insulators excited by laser beams and found that massless states can be generated. This work may lead to a major advance in computer technology with circuits that generate less heat. (2021-02-17)

Highway tunnel for ions
We live in modern times, that is full of electronics. Smartphones, laptops, tablets, and many other devices need electrical energy to operate. Portable devices made our lives easier, so novel solutions in clean energy and its storage are desirable. Lithium-ion (Li-ion) batteries are the most common solutions that dominate the global market and are a huge problem due to their insufficient recovery. (2021-02-16)

Novel flexible terahertz camera can inspect objects with diverse shapes
Scientists at Tokyo Institute of Technology (Tokyo Tech) and RIKEN have developed a flexible, free-standing, and versatile terahertz (THz) camera patch. This novel camera overcomes the limitations of the conventional THz cameras that are bulky and rigid. With its high sensitivity, adaptability, and ease of filming irregularly shaped objects, it is a potential tool for effective quality control of complex devices. (2021-02-16)

NREL heats up thermal energy storage with new solution meant to ease grid stress
Scientists from the National Renewable Energy Laboratory (NREL) have developed a simple way to better evaluate the potential of novel materials to store or release heat on demand in your home, office, or other building in a way that more efficiently manages the building's energy use. (2021-02-16)

Move over heavy goggles, here come the ultra-high refractive index lenses
POSTECH professor Junsuk Rho's research team develops a transparent silicon without visible light loss by controlling the silicon atomic structure. (2021-02-14)

Artificial emotional intelligence: a safer, smarter future with 5G and emotion recognition
The combination of new 5G communication technologies with AI-based systems are ushering in a ''smart generation'' of vehicles, drones, and even entire cities. Now, researchers take things one step further by introducing a 5G-assisted emotion detection system that uses wireless signals and body movement. In their latest publication, they outline its working principle, application prospects, and potential security threats, highlighting the need for a robust, impregnable AI algorithm to drive it. (2021-02-11)

Capturing free-space optical light for high-speed wifi
Visible and infrared light can carry more data than radio waves, but has always been confined to a hard-wired, fiber-optic cable. Working with Facebook's Connectivity Lab, a Duke research team has now made a major advance toward the dream of ditching the fiber in fiber optics. (2021-02-11)

Wafer-scale production of graphene-based photonic devices
Graphene Flagship researchers have devised a wafer-scale fabrication method that paves the way to the next generation of telecom and datacom devices. (2021-02-11)

A new quantum switch for electronics
A Russian physicist and his international colleagues studied a quantum point contact (QCP) between two conductors with external oscillating fields applied to the contact. They found that, for some types of contacts, an increase in the oscillation frequency above a critical value reduced the current to zero - a promising mechanism that can help create nanoelectronics components. (2021-02-11)

A scalable method for the large-area integration of 2D materials
Graphene Flagship researchers report a new method to integrate graphene and 2D materials into semiconductor manufacturing lines, a milestone for the recently launched 2D-EPL project. (2021-02-10)

Tests reveal cybersecurity vulnerabilities of common seismological equipment
Seismic monitoring devices linked to the internet are vulnerable to cyberattacks that could disrupt data collection and processing, say researchers who have probed the devices for weak points. (2021-02-10)

Scientists create armour for fragile quantum technology
An ANU-led international team has invented the equivalent of 'body armour' for extremely fragile quantum systems, which will make them robust enough to be used as the basis for a new generation of low-energy electronics. (2021-02-08)

Pushed to the limit: A CMOS-based transceiver for beyond 5G applications at 300 GHz
Scientists at Tokyo Institute of Technology and NTT Corporation develop a novel CMOS-based transceiver for wireless communications at the 300 GHz band, enabling future beyond-5G applications. Their design addresses the challenges of operating CMOS technology at its practical limit and represents the first wideband CMOS phased-array system to operate at such elevated frequencies. (2021-02-05)

Quantum tunneling in graphene advances the age of terahertz wireless communications
Scientists from MIPT, Moscow Pedagogical State University and the University of Manchester have created a highly sensitive terahertz detector based on the effect of quantum-mechanical tunneling in graphene. The sensitivity of the device is already superior to commercially available analogs based on semiconductors and superconductors, which opens up prospects for applications of the graphene detector in wireless communications, security systems, radio astronomy, and medical diagnostics. (2021-02-03)

Scientists propose new way to detect emotions using wireless signals
A novel artificial intelligence (AI) approach based on wireless signals could help to reveal our inner emotions, according to new research from Queen Mary University of London. (2021-02-03)

Pioneering technique paves way for fast and cheap fabrication of rapid medical diagnostic tools
New technology developed by the University of Bristol has the potential to accelerate uptake and development of on-chip diagnostic techniques in parts of the world where rapid diagnoses are desperately needed to improve public health, mortality and morbidity. (2021-02-03)

Photonics research makes smaller, more efficient VR, augmented reality tech possible
Engineering researchers have developed and demonstrated a new approach for designing photonic devices. The advance allows them to control the direction and polarization of light from thin-film LEDs, paving the way for a new generation of virtual reality (VR) and augmented reality (AR) technologies. (2021-02-01)

Wirelessly rechargeable soft brain implant controls brain cells
Researchers have invented a smartphone-controlled soft brain implant that can be recharged wirelessly from outside the body. It enables long-term neural circuit manipulation without the need for periodic disruptive surgeries to replace the battery of the implant. Scientists believe this technology can help uncover and treat psychiatric disorders and neurodegenerative diseases such as addiction, depression, and Parkinson's. (2021-01-26)

First comprehensive LCA shows reprocessed medical devices cut GHG emissions in half
Hospitals could cut emissions associated with some medical device use in half by opting instead for reprocessed 'single-use' medical devices. The LCA evaluated the use of a remanufactured electrophysiology catheter compared with the use of original catheters for 16 different environmental impact categories and found that the use of reprocessed devices was superior in 13 categories. (2021-01-25)

Reducing traps increases performance of organic photodetectors
Physicists at the Dresden Integrated Center for Applied Physics and Photonic Materials (IAPP) discovered that trap states rule the performance of organic photodetectors, ultimately limiting their detectivity. These highly promising results have now been published in the renowned scientific journal Nature Communications. (2021-01-22)

Electrons caught in the act
Tsukuba University scientists create movies of the ultrafast motion of electrons traveling through an organic semiconductor with atomic-level resolution. This work may lead to more powerful and miniaturized smart devices. (2021-01-21)

RUDN University neurosurgeon created a method to collect mental activity data of software developers
A neurosurgeon from RUDN University studied the mental activity of developers at work. In his novel method, he combined mobile EEG devices and software that analyzes neurophysiological data. (2021-01-21)

Angstrom multilayer metrology by combining spectral measurements and machine learning
The 3D-NAND is the most commercially successful 3D memory device today, and its demand is growing exponentially. As each layer thickness corresponds to the effective channel length, accurate characterization and control of layer-by-layer thickness is critical. Engineers in South Korea invented a nondestructive thickness characterization method of each layer in semiconductor multilayer stacks with more than 200 layers used for 3D-NAND. The method will provide new ways for total inspection in 3D semiconductor device manufacturing. (2021-01-20)

Nonsurgical treatment for cerebral infarction using wearable wireless ultrasound devices
Korea Institute of Science and Technology(KIST) announced that the research team at the Center for Bionics, led by Dr. Kim Hyungmin, developed a wireless rehabilitation treatment technology for brain nervous system damaged by a stroke by fabricating a wearable, wireless low-intensity focused ultrasound brain stimulator. Additionally, to verify its effectiveness, this brain stimulator was applied to animal models of stroke. (2021-01-19)

One-dimensional quantum nanowires fertile ground for Majorana zero modes
One-dimensional quantum 'nanowires' - which have length, but no width or height - provide a unique environment for the formation and detection of a quasiparticle known as a Majorana zero mode, which are their own antimatter particle. A new UNSW advance in detection of these exotic quasiparticles (just published in Nature Communications) has potential applications in fault-resistant topological quantum computers, and topological superconductivity. (2021-01-19)

Stop global roll out of 5G networks until safety is confirmed, urges expert
We should err on the side of caution and stop the global roll out of 5G (fifth generation) telecoms networks until we are certain this technology is completely safe, urges an expert in an opinion piece published online in the Journal of Epidemiology & Community Health. (2021-01-18)

Purely organic hole transporter
Durable, high-performing perovskite solar cells also require durable, high-performing charge-transporting layers. Scientists have developed the first organic hole transporter that does not need a dopant to attain high charge mobility and stability. According to the study published in the journal Angewandte Chemie, this novel hole-transporting layer outperforms reference materials and protects the perovskite organic cell from air humidity. (2021-01-18)

CMOS-compatible 3D ferroelectric memory with ultralow power and high speed
POSTECH Professor Jang-Sik Lee's research team develops ferroelectric NAND flash memory. (2021-01-18)

USTC makes security analysis and improvement of quantum random number generation
Recently, the research team led by academician GUO Guangcan from the USTC of the Chinese Academy of Sciences has made security analysis and improvement of source independent quantum random number generators with imperfect devices. (2021-01-14)

Energy harvesting made possible with skin temperature
The Korea Institute of Science and Technology (KIST) announced that a collaborative research team led by Dr. Seungjun Chung from the Soft Hybrid Materials Research Center and Professor Yongtaek Hong from the Department of Electrical and Computer Engineering at Seoul National University (SNU) developed flexible thermoelectric devices with high power generation performance by maximizing flexibility and heat transfer efficiency. The research team also presented a mass-production plan through an automated process including a printing process. (2021-01-13)

Seawater as an electrical cable !? Wireless power transfers in the ocean
Toyohashi University of Technology research team has successfully transferred power and data wirelessly through seawater by using a power transmitter/receiver with four layers of ultra-thin, flat electrodes. Until now, it had been thought that wireless power transfers could only be achieved through magnetic coupling. This time, with a focus on the high-frequency properties of seawater, a third method for conductive coupling was devised, and a power transmitter/receiver was developed to achieve highly-efficient power transfers. (2021-01-13)

Pivotal discovery in quantum and classical information processing
Researchers have achieved, for the first time, electronically adjustable interactions between microwaves and a phenomenon in certain magnetic materials called spin waves. This could have application in quantum and classical information processing. (2021-01-13)

The changing paradigm of next-generation semiconductor memory development
The Korea Institute of Science and Technology(KIST) has announced that the research team led by Dr. Kim Kyoung-Whan at the Center for Spintronics has proposed a new principle about spin memory devices, which are next-generation memory devices. This breakthrough presents new applicability that is different from the existing paradigm. (2021-01-12)

Long-range energy transport in perovskite nanocrystal films
High efficiency solar cells and light-emitting devices are end-goal targets towards a more sustainable world. Nanostructures possess distinct advantages due to their exceptional optical and electronic properties under the influence of light. Yet, their wide-spread application in real-world devices is limited by their poor transport properties. Scientists discovered that nanocrystals made with halide perovskites, a recently discovered revolutionary semiconductor, can lead to long-range energy transfer, opening new avenues for future devices implementing disruptive nanotechnologies. (2021-01-12)

No disassembly required: Non-destructive method to measure carrier lifetime in SiC
To develop high-voltage devices made with silicon carbide (SiC), a common semiconducting material, it is necessary to understand its charge carrier lifetime distribution within thick layers. However, available carrier lifetime measurement methods involve the destruction of the sample. Fortunately, in a recent study at Nagoya Institute of Technology, Japan, scientists have developed a novel non-destructive technique with enhanced depth resolution, which will bolster the development of efficient SiC devices for power generation and distribution systems. (2021-01-12)

University at Buffalo researchers report quantum-limit-approaching chemical sensing chip
University at Buffalo researchers are reporting an advancement of a chemical sensing chip that could lead to handheld devices that detect trace chemicals -- everything from illicit drugs to pollution -- as quickly as a breathalyzer identifies alcohol. (2021-01-11)

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