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Condensed Matter Aug 29, 2023

Quantum-enhanced detection for chip-scale wireless communications

The demand for fast data sharing and processing has sparked a race for greater bandwidth in wireless communication systems. This is described by Edholm's Law, which states that bandwidth and data rates roughly double every ...

Polymers Aug 18, 2023

Researchers develop arrays of tiny crystals that deliver efficient wireless energy

Imagine a person on the ground guiding an airborne drone that harnesses its energy from a laser beam, eliminating the need for carrying a bulky onboard battery.

Quantum Physics Jul 4, 2023

Novel microwave isolator points the way to new radio cameras and quantum computers

Researchers at the National Astronomical Observatory of Japan (NAOJ) have invented a novel microwave isolator and have demonstrated, for the first time, its basic principle that enables small isolators; essential for future ...

Space Exploration Jun 14, 2023

Foldable phased-array transmitters developed for lightweight, smaller, and cost-efficient satellites

A newly designed foldable phased-array transmitter can help make satellites lightweight, smaller, and cost-efficient to launch, report scientists at Tokyo Tech. The transmitter is made of stacked layers of liquid crystal ...

Analytical Chemistry Jun 9, 2023

Wireless sensor enables real-time spoilage alerts on food

Food waste and food-borne diseases are among the most critical problems urban populations face today. They contribute to greenhouse emissions tremendously and amplify economic and environmental costs. Since food spoilage ...

Bio & Medicine May 22, 2023

A giant leap forward in wireless ultrasound monitoring for subjects in motion

A team of engineers at the University of California San Diego has developed the first fully integrated wearable ultrasound system for deep-tissue monitoring, including for subjects on the go. It facilitates potentially life-saving ...

Bio & Medicine Feb 22, 2023

Multifunctional hydrogel electrode helps to collect high-quality electroencephalography signals

Researchers from the Institute of Process Engineering (IPE) of the Chinese Academy of Sciences and Tsinghua University have developed a multifunctional hydrogel electrode with excellent conductivity, adhesion, and anti-interference ...

Optics & Photonics Jan 25, 2023

New shield blocks electromagnetic interference while allowing wireless optical signals

Researchers have experimentally demonstrated, for the first time, a mechanically flexible silver mesh that is visibly transparent, allows high-quality infrared wireless optical communication and efficiently shields electromagnetic ...

Bio & Medicine Jan 16, 2023

Wireless brain implant monitors neurotransmitters in real-time

Scientists have developed a wireless, battery-free implant capable of monitoring dopamine signals in the brain in real-time in small animal models, an advance that could aid in understanding the role neurochemicals play in ...

Optics & Photonics Dec 7, 2022

A novel, space-time coding antenna promotes 6G and secure wireless communications

A research team co-led by a scientist at City University of Hong Kong (CityU) has developed a novel antenna that allows manipulation of the direction, frequency and amplitude of the radiated beam, and is expected to play ...

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