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Doubling down on metasurfaces

Apr 01, 2025 Researcher have created a bilayer metasurface made of two stacked layers of titanium dioxide nanostructures, opening new possibilities for structuring light. (Nanowerk News) Almost a decade ago, Harvard engineers unveiled the world’s first visible-spectrum metasurfaces – ultra-thin, flat devices patterned with nanoscale structures that could precisely control...

New tool reveals the true threat of nanoplastics

Apr 01, 2025 An international team of scientists is developing an ultra precise, efficient and flexible technique for counting and analyzing nano-scale scourge. (Nanowerk News) While the threat that microplastics pose to human and ecological health has been richly documented and is well known, nanoplastics, which are smaller than one...

Nanoscientists pioneer method to tackle forever chemicals

Mar 31, 2025 New process upcycles hazardous chemicals to graphene. (Nanowerk News) Rice University researchers have developed an innovative solution to a pressing environmental challenge: removing and destroying per- and polyfluoroalkyl substances (PFAS), commonly called “forever chemicals.” A study led by James Tour, the T.T. and W.F. Chao Professor of...

New spray-coating method builds efficient self-powered photodetectors

Mar 31, 2025 A new photodetector design combines metal-organic frameworks and MXene materials to overcome silicon's performance limits, enabling broad-spectrum light detection without external power. (Nanowerk Spotlight) The efficient conversion of light into electrical signals is essential for many modern optoelectronic technologies, such as smartphone cameras, optical fiber communication, and...

Controlling self-assembly better than nature does

Mar 31, 2025 Applying a magnetic field to rod-like viruses induces them to form disks of tunable shape and size. (Nanowerk News) Seeking to mimic self-assembly processes that occur naturally, RIKEN researchers have demonstrated that the self-assembly of rod-shaped viruses can be controlled by applying a magnetic field (Nature Communications,...

Artificial neurons organize themselves

Mar 30, 2025 Artificial neurons modeled on biology learn independently, self-organizing and adapting based on information from their local network environment. (Nanowerk News) Novel artificial neurons learn independently and are more strongly modeled on their biological counterparts. A team of researchers from the Göttingen Campus Institute for Dynamics of Biological...