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Optics & Photonics Mar 14, 2024

Researchers prove fundamental limits of electromagnetic energy absorption

Electrical engineers at Duke University have determined the theoretical fundamental limit for how much electromagnetic energy a transparent material with a given thickness can absorb. The finding will help engineers optimize ...

Space Exploration Mar 13, 2024

Study brings scientists a step closer to successfully growing plants in space

New, highly stretchable sensors can monitor and transmit plant growth information without human intervention, report University of Illinois Urbana-Champaign researchers in the journal Device.

Optics & Photonics Mar 11, 2024

New type of tunable filter reveals the potential for terahertz wireless communications

Electromagnetic waves in the terahertz frequency range offer many advantages for communications and advanced applications in scanning and imaging, but realizing their potential poses challenges. Researchers at Tohoku University ...

Social Sciences Mar 8, 2024

How families glued to separate devices can connect again

It's Saturday afternoon and the kids are all connected to separate devices. So are the parents. Sounds familiar?

Quantum Physics Mar 7, 2024

Scientists propose new scheme for the quantum battery using waveguides

A new study by researchers at Lanzhou University and Hubei University proposes a quantum battery (QB) charging scheme based on a rectangular hollow metal waveguide. This approach allows them to overcome environment-induced ...

Analytical Chemistry Mar 5, 2024

Research team develops a wireless sensor for spotting chemical warfare agents

The urgent need for advanced detection of chemical warfare agents (CWAs) to ensure global security has led to the development of a novel gas sensor. This sensor is distinguished by its rapid response, high sensitivity, and ...

Cell & Microbiology Mar 5, 2024

Researchers demonstrate control of living cells with electronics

E. coli bacteria and an electronic device might seem to have little in common, but in a recent experiment, University of Maryland researchers linked them into the first closed-loop system able to communicate across the technological–biological ...

Optics & Photonics Feb 28, 2024

Researchers develop world-leading microwave photonics chip for high-speed signal processing

A research team led by Professor Wang Cheng from the Department of Electrical Engineering (EE) at City University of Hong Kong (CityUHK) has developed a world-leading microwave photonic chip that is capable of performing ...

Condensed Matter Feb 28, 2024

Researchers discover tunable room-temperature nonlinear Hall effect in bismuth thin films

A research team from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) and the University of Salerno in Italy has discovered that thin films of elemental bismuth exhibit the so-called non-linear Hall effect, which could be ...

Condensed Matter Feb 16, 2024

Acoustic invention enhances ultrasound to access enclosed metal spaces

The inside of underwater pipes and enclosed nuclear containers were inaccessible—until recently. Acoustics researchers in Penn State's College of Engineering have developed a way to convey energy and transmit communications ...

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