Search results for etching

Optics & Photonics Oct 17, 2023

New photonic chips for high-capacity data transmissions

With the growth in artificial intelligence (AI), 5G systems, cloud computation, and the Internet of Things, transmitters with extremely high capacities are required for data communication. Ultrafast optical modulation is ...

Archaeology Oct 17, 2023

How a Bronze Age rock became a 'treasure map' for researchers

A piece of rock with mysterious markings that lay largely unstudied for 4,000 years is now being hailed as a "treasure map" for archaeologists, who are using it to hunt for ancient sites around north-western France.

Cell & Microbiology Oct 11, 2023

Scientists develop acoustic 3D trapping of microparticles in flowing liquid using circular cavity

A research team from the Suzhou Institute of Biomedical Engineering and Technology (SIBET) of the Chinese Academy of Sciences has developed an acoustic trapping chip that can provide three-dimensional (3D) trapping of cells ...

Optics & Photonics Oct 11, 2023

Ultra-wideband heterogeneous integrated photodiodes on thin-film lithium niobate platform

Owing to its strong electro-optic coefficient and wide transparency window, lithium niobate (LN) has become an attractive photonic material. Thin-film lithium niobate (TFLN) technology has enabled tight mode confinement and ...

Nanophysics Oct 7, 2023

Free-space nanoprinting beyond optical limits to create 4D functional structures

Two-photon polymerization is a potential method for nanofabrication to integrate nanomaterials based on femtosecond laser-based methods. Challenges in the field of 3D nanoprinting include slow layer-by-layer printing and ...

Archaeology Oct 7, 2023

RIP Stoneman Willie: US mummy buried after 128 years

After more than a century living with a macabre mystery, the US town of Reading, Pennsylvania closed the casket Saturday on its oddest-ever resident—a mummified man who was finally buried.

Optics & Photonics Oct 5, 2023

Dragonfly eyes inspire new microlens array processing technique

Industry 4.0 requires simple solutions for complex functions. Optical sensors, such as pinhole cameras, can deliver a depth of focus and reasonable resolution, but they suffer from low intensity for reliable and fast imaging. ...

Nanomaterials Oct 4, 2023

MXene and MBene compounds can be engineered to selectively capture carbon dioxide, says study

Some of the thinnest materials known to mankind may provide solutions to scientists in their quest to curb the effects of global warming.

Archaeology Oct 4, 2023

Life-size images of extinct camel species found carved into stones in Saudi Arabia

An international team of archaeologists has discovered life-size images of an extinct camel species carved into rock formations in Saudia Arabia. In their project, reported in the journal Archaeological Research in Asia, ...

Plants & Animals Oct 2, 2023

Desperate to rid California of invasive deer, officials propose bold helicopter hunt

A plan to use helicopter-mounted sharpshooters to kill nearly 2,000 invasive mule deer roaming the mountains of Santa Catalina Island has ignited a storm of protest among residents of the popular resort destination and prompted ...

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