Search results for nanometer

Nanomaterials May 21, 2024

Powering wearable devices with high-performing carbon nanotube yarns

With the growth of the Internet of Things, sustainable solutions for powering wireless sensors and devices are considered important. Thermoelectric generators, for example, which have the ability to convert waste heat into ...

Ecology May 20, 2024

Phycologists discover what makes some brown algae shimmer and others not

Compartments of consistently sized, tightly packed microspheres are what makes some brown algae shimmer like opal. The Kobe University discovery not only sheds light on the mechanism behind the alga's structural coloration, ...

Optics & Photonics May 18, 2024

Researchers realize multiphoton electron emission with non-classical light

Strong field quantum optics is a rapidly emerging research topic, which merges elements of non-linear photoemission rooted in strong field physics with the well-established realm of quantum optics. While the distribution ...

Nanophysics May 17, 2024

Using DNA origami, researchers create diamond lattice for future semiconductors of visible light

The shimmering of butterfly wings in bright colors does not emerge from pigments. Rather, photonic crystals are responsible for the play of colors. Their periodic nanostructure allows light at certain wavelengths to pass ...

Polymers May 16, 2024

Customized production of antiviral coatings and cell culture surfaces

Special polymer coatings can confer functional properties to surfaces, for example, antiviral behavior. A team from the Department of Materials Science at Kiel University has now for the first time comprehensively compared ...

Analytical Chemistry May 16, 2024

Ion swap dramatically improves performance of CO₂-defeating catalyst

A team of scientists led by the Department of Energy's Oak Ridge National Laboratory has found an unconventional way to improve catalysts made of more than one material. The solution demonstrates a path to designing catalysts ...

Astrobiology May 16, 2024

Researchers shed light on how key ingredient for life may form in space

A team led by University of Maryland chemists discovered a new way to create carbenes, a class of highly reactive yet notoriously short-lived and unstable molecules. Involved in many high-energy chemical reactions such as ...

Nanophysics May 16, 2024

A golden layer unlocks sharper imaging and faster scanning with X-rays

Scientists have made a breakthrough in significantly improving the sharpness of X-ray imaging and potentially boosting the speeds at which X-ray scans can be processed. This lays the groundwork for both better medical imaging ...

Nanophysics May 15, 2024

A thousand times smaller than a grain of sand—glass sensors 3D-printed on optical fiber

In a first for communications, researchers in Sweden 3D printed silica glass micro-optics on the tips of optic fibers—surfaces as small as the cross section of a human hair. The advance could enable faster internet and ...

Optics & Photonics May 14, 2024

Researchers elucidate ultrafast laser-induced solid-to-overdense-plasma transitions

The interaction of solids with high-intensity ultra-short laser pulses has enabled major technological breakthroughs over the past half-century. On the one hand, laser ablation of solids offers micromachining and miniaturization ...

page 7 from 40