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June 15, 2023 A study demonstrates that graphene-based materials can be used to efficiently convert high-frequency signals into visible light, and that this mechanism is ultrafast and tunable. These outcomes open ...
Dec. 21, 2023 High-frequency terahertz waves have great potential for a number of applications including next-generation medical imaging and communication. Researchers have shown that the transmission of terahertz ...
Oct. 19, 2022 A recent discovery by materials science researchers might one day prevent electronic devices and components from going haywire when they're too close to one another. A special coating that they ...
Mar. 14, 2024 Electrical engineers 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 ...
Jan. 25, 2023 Researchers have demonstrated for the first time a mechanically flexible silver mesh that is visibly transparent, allows high-quality infrared wireless optical communication and efficiently shields ...
Aug. 14, 2023 Medical imaging via X-rays, CT scans, MRIs and ultrasounds provide health-care professionals with unique perspectives and a better understanding of what's happening inside a patient's body. ...
Jan. 26, 2022 Researchers have taken a major step towards bringing terahertz frequencies out of their hard-to-reach region of the electromagnetic spectrum and into everyday applications. Researchers demonstrate a ...
June 21, 2021 Engineers developed inexpensive methods to make 'impossible materials' that interact in unusual ways with microwave energy. Thin film polymers inkjet printed with tiny component patterns ...
Dec. 7, 2022 Scientists have developed a novel antenna that allows manipulation of the direction, frequency and amplitude of the radiated beam, and is expected to play an important role in the integration of ...
Jan. 14, 2022 Researchers show that high-frequency plasma waves in the Geospace can generate low-frequency plasma waves through wave-particle interactions by heating up low-energy ions, unveiling a new energy ...