Experts see cell outage as ‘stark reminder’ of critical infrastructure vulnerabilities

Following a telecommunications outage that disrupted cell service nationwide, two West Virginia University experts are renewing calls for cooperative efforts to improve overall U.S. cyber resiliency. Christopher Ramezan, assistant professor, management information systems and cybersecurity, WVU John Chambers College of…

An automated flight control system for drone swarms has been developed

“The project’s main objective is to integrate a certain degree of automation, so that an operator can control a small fleet of up to 10 drones from a single ground station,” says Luis E. Moreno, LABYRINTH’s coordinator and researcher at…

Primary care payment model, telemedicine use for Medicare Advantage during pandemic

What The Study Did: The association between primary care payment models and the use of telemedicine for Medicare Advantage enrollees during the COVID-19 pandemic was examined in this study. Authors: Brian W. Powers, M.D., M.B.A., of Humana Inc. in Louisville,…

Introduction to 6G vision and technology

The book starts with a general vision of 6G technology, which includes the motivation that drives 6G research, the international organizations working on 6G standardization and recent progress in 6G research. It also provides details about the millimetre wave and…

Changes in care delivery during COVID-19

What The Study Did: Researchers characterized clinical content of ambulatory care among office-based compared with telemedicine visits in the United States before and during the COVID-19 pandemic. Authors: G. Caleb Alexander, M.D., M.S., of the Johns Hopkins Bloomberg School of…

Beyond 5G: Wireless communications may get a boost from ultra-short collimating metalens

Screens may be larger on smartphones now, but nearly every other component is designed to be thinner, flatter and tinier than ever before. The engineering requires a shift from shapely, and bulky lenses to the development of miniaturized, two-dimensional metalenses.…

Wildfire detection takes flight

Networks of ground-based sensors paired with airborne drones could give firefighters a critical edge when battling wildfires, KAUST researchers have found. The sensor/unmanned aerial vehicle (UAV) network could significantly shorten the time taken to detect a wildfire, giving firefighters a…

Combining classical and quantum computing opens door to new discoveries

Researchers have discovered a new and more efficient computing method for pairing the reliability of a classical computer with the strength of a quantum system. This new computing method opens the door to different algorithms and experiments that bring quantum…

Researchers work to increase speed, reliability of wireless communications

The development of millimeter wave communication technologies could improve the speed, latency and reliability of wireless communications significantly, according to Penn State researchers. Jing Yang, assistant professor of electrical engineering, received a four-year, $800,000 National Science Foundation grant to develop…

Novel fast-beam-switching transceiver takes 5G to the next level

Scientists at Tokyo Institute of Technology (Tokyo Tech) and NEC Corporation jointly develop a 28-GHz phased-array transceiver that supports efficient and reliable 5G communications. The proposed transceiver outperforms previous designs in various regards by adapting fast beam switching and leakage…

Patient characteristics, subsequent health care use of SARS-CoV-2 testing initiation in safety-net health system

What The Study Did: Researchers found differences in sociodemographic and clinical characteristics by entry location for SARS- CoV-2 testing within a safety-net health system. White and English-speaking individuals disproportionately initiated testing via telehealth visits, while Black, Native American and non-English-speaking…

Toshiba announces breakthrough in long distance quantum communication

Cambridge, UK, 7th June 2021: The Cambridge Research Laboratory of Toshiba Europe today announced the first demonstration of quantum communications over optical fibres exceeding 600 km in length. The breakthrough will enable long distance quantum-secured information transfer between metropolitan areas…

Quantum holds the key to secure conference calls

The world is one step closer to ultimately secure conference calls, thanks to a collaboration between Quantum Communications Hub researchers and their German colleagues, enabling a quantum-secure conversation to take place between four parties simultaneously. The demonstration, led by Hub…

Entangled quantum memories for a quantum repeater: A step closer to the Quantum Internet

* ICFO researchers report in Nature on having achieved, for the first time, entanglement of two multimode quantum memories located in different labs separated by 10 meters, and heralded by a photon at the telecommunication wavelength. * The scientists implemented…

Lean and mean: Maximizing 5G communications with an energy-efficient relay network

Scientists at Tokyo Institute of Technology (Tokyo Tech) have developed a wirelessly powered relay network for 5G systems. The proposed battery-free communication addresses the challenges of flexible deployment of relay networks. This design is both economical and energy-efficient. Such advances…

Silicon chips combine light and ultrasound for better signal processing

The continued growth of wireless and cellular data traffic relies heavily on light waves. Microwave photonics is the field of technology that is dedicated to the distribution and processing of electrical information signals using optical means. Compared with traditional solutions…

Smart sensors to provide real time data for optimized operation of district heating grid

Researchers from the universities in Aarhus and Aalborg are working closely with leading companies to develop intelligent, battery-less sensors that communicate wirelessly to an autonomous cloud-based monitoring system

New tech builds ultralow-loss integrated photonic circuits

Encoding information into light, and transmitting it through optical fibers lies at the core of optical communications. With an incredibly low loss of 0.2 dB/km, optical fibers made from silica have laid the foundations of today’s global telecommunication networks and…

Dutch researchers establish the first entanglement-based quantum network

A team of researchers from QuTech in the Netherlands reports realization of the first multi-node quantum network, connecting three quantum processors. In addition, they achieved a proof-of-principle demonstration of key quantum network protocols. Their findings mark an important milestone towards…

City, University of London consortium wins highly competitive ESA funding

Funded by the European Space Agency (ESA), City, University of London will be spearheading the development of next-generation AI-based guidance, navigation and control (GNC) systems for space exploration. A research consortium led by City’s Professor of Robotics and Autonomous Systems,…

Dermatologist perceptions of teledermatology implementation, future use after COVID-19

What The Study Did: This study sought to assess dermatologists’ perceptions of and experiences with teledermatology in the context of the COVID-19 pandemic and new regulatory changes including parity in reimbursements between video and in-person visits. Authors: Jules B. Lipoff,…

Sussex scientists develop ultra-thin terahertz source

Physicists from the University of Sussex have developed an extremely thin, large-area semiconductor surface source of terahertz, composed of just a few atomic layers and compatible with existing electronic platforms. Terahertz sources emit brief light pulses oscillating at ‘trillion of…