Search results for etching

Education Oct 2, 2023

Avoid cramming and don't just highlight bits of text: How to help your memory when preparing for exams

With school and university exams looming, students will be thinking about how they can maximize their learning.

Analytical Chemistry Sep 29, 2023

Researchers invent a new metallization method of modified tannic acid photoresist patterning

The micro/nano metal pattern formation is a key step in the assembly of various devices. However, ex situ approaches of metal patterning limited their industrial applications due to the poor stability and dispersion of metal ...

Bio & Medicine Sep 28, 2023

Wearable aptamer nanobiosensor wirelessly monitors estrogen in sweat

The sex hormone commonly known as estrogen plays an important role in multiple aspects of women's health and fertility. High levels of estrogen in the body are associated with breast and ovarian cancers, while low levels ...

Optics & Photonics Sep 28, 2023

Fabricating fused silica optics with a high laser-induced damage threshold

Residual processing defects significantly reduce fused silica optics' laser-induced damage threshold (LIDT), which seriously limits their performance and lifetime in high-energy laser applications. Extensive research has ...

Bio & Medicine Sep 27, 2023

Lethal weapon: New antimicrobial coating could revolutionize cleaning methods

We've gained a new weapon in the fight against harmful and often antibiotic-resistant pathogens with the development of a unique material engineered to limit disease spread and replace current cumbersome cleaning protocols ...

Superconductivity Sep 27, 2023

Progress in upscaling Si spin and superconducting-based quantum technologies

The long-term vision for quantum computing is the ability to leverage millions of noise-free qubits to address selected problems that are hard to solve with classical computers. Application fields that may benefit from this ...

Optics & Photonics Sep 26, 2023

Researchers fabricate chip-based optical resonators with record low UV losses

Researchers have created chip-based photonic resonators that operate in the ultraviolet (UV) and visible regions of the spectrum and exhibit a record low UV light loss. The new resonators lay the groundwork for increasing ...

Optics & Photonics Sep 26, 2023

Making a femtosecond laser out of glass

Is it possible to make a femtosecond laser entirely out of glass? That's the rabbit hole that Yves Bellouard, head of EPFL's Galatea Laboratory, went down after years of spending hours—and hours—aligning femtosecond lasers ...

Archaeology Sep 21, 2023

Ancient pictograph vandalism at Bon Echo Provincial Park reveals ongoing disregard for Indigenous history

Vandalism has once again marred the ancient Indigenous pictographs nestled within Bon Echo Provincial Park about two hours west of Ottawa and north of Kingston, Ont.

Optics & Photonics Sep 15, 2023

New metamaterial-based strategy to combine and transmit multiple light modes

The past few years have seen a massive surge in the amount of data transferred and processed per second. Rapidly emerging technologies, such as high-dimensional quantum communications, large-scale neural networks, and high-capacity ...

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