Search results for nanometer

Analytical Chemistry Apr 16, 2024

Trash to treasure—Researchers turn metal waste into catalyst for hydrogen

Scientists have found a way to transform metal waste into a highly efficient catalyst to make hydrogen from water, a discovery that could make hydrogen production more sustainable.

Optics & Photonics Apr 16, 2024

Attosecond imaging made possible by short and powerful laser pulses

Extremely short pulses of laser light with a peak power of 6 terawatts (6 trillion watts)—roughly equivalent to the power produced by 6,000 nuclear power plants—have been realized by two RIKEN physicists. This achievement ...

Planetary Sciences Apr 15, 2024

New analysis reveals the brutal history of the Winchcombe meteorite's journey through space

Intensive new nano-analysis of the Winchcombe meteorite has revealed how it was affected by water and repeatedly smashed apart and reassembled on the journey it took through space before landing in an English sheep field ...

Nanophysics Apr 15, 2024

A magnetic nanographene butterfly poised to advance quantum technologies

Researchers from the National University of Singapore (NUS) have developed a new design concept for creating next-generation carbon-based quantum materials, in the form of a tiny magnetic nanographene with a unique butterfly-shape ...

Cell & Microbiology Apr 10, 2024

Scientists reconstruct assembly of the human centriole, image by image, for the first time

Cells contain various specialized structures—such as the nucleus, mitochondria or peroxisomes—known as "organelles." Tracing their genesis and determining their structure is fundamental to understanding cell function ...

Soft Matter Apr 9, 2024

New method achieves 4D imaging of fluids in pores

A method based on CT (computed tomography)—a type of imaging that is widely used in hospitals—can help improve our understanding of CO2 storage, batteries, and processes in the body such as nutrient uptake.

Bio & Medicine Apr 8, 2024

A targeted polymer to treat colorectal cancer liver metastases

A nanosized polymer, developed by a research team from Ben-Gurion University of the Negev, can selectively deliver chemotherapeutic drugs to blood vessels that feed tumors and metastases and has emerged as an effective treatment ...

Bio & Medicine Apr 8, 2024

New diagnostic tool achieves accuracy of PCR tests with faster and simpler nanopore system

Over the past four years, many of us have become accustomed to a swab up the nose to test for COVID-19, using at-home rapid antigen tests or the more accurate clinic-provided PCR tests with a longer processing time. Now a ...

Nanophysics Apr 3, 2024

Novel high entropy alloy nanoparticle catalysts for growing high-density carbon nanotubes

High entropy alloys (HEAs) have attracted significant attention in various fields due to their unique properties such as high strength and hardness, and high thermal and chemical stabilities.

Nanomaterials Apr 3, 2024

New molecular compound designed with technological applications at the nanoscale

A team led by the Laboratory of Molecular Nanoscience of the Faculty of Chemistry at the University of Barcelona has designed a new molecular compound based on gadolinium (Gd), a chemical element that can generate a magnetocaloric ...

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