Âé¶¹ÒùÔº

Search results for etching

Nanomaterials Oct 9, 2024

Novel etching technique enhances absorptivity of powders for metal 3D-printing

In a significant advancement for metal additive manufacturing, researchers at Lawrence Livermore National Laboratory (LLNL) and their academic partners have developed a technique that enhances the optical absorptivity of ...

Ecology Oct 5, 2024

Field notes: Life in the Eldorado National Forest after wildfire strikes

Charred trees punctuated the Eldorado National Forest like blackened skeletons of their former selves, victims of the Mosquito Fire. Two years earlier, in 2022, the Mosquito Fire started in Tahoe National Forest, moved north ...

Optics & Photonics Sep 25, 2024

Shrinking augmented reality displays into eyeglasses to expand their use

Augmented reality (AR) takes digital images and superimposes them onto real-world views. But AR is more than a new way to play video games; it could transform surgery and self-driving cars. To make the technology easier to ...

Archaeology Sep 16, 2024

The stone-eaters that threaten Iran's ancient Persepolis

Conservationists at Persepolis, Iran's most iconic ancient site, are waging a delicate battle against an unlikely adversary: tiny but persistent lichens eroding the millennia-old monuments.

Optics & Photonics Aug 28, 2024

Tiny new lasers fill a long-standing gap in the rainbow of visible-light colors, opening new applications

It's not easy making green. For years, scientists have fabricated small, high-quality lasers that generate red and blue light. However, the method they typically employ—injecting electric current into semiconductors—hasn't ...

Optics & Photonics Aug 22, 2024

Scientists demonstrate innovative perovskite waveguides with edge lasing effect

Integrated photonic circuits operating at room temperature combined with optical nonlinear effects could revolutionize both classical and quantum signal processing. Scientists from the Faculty of Âé¶¹ÒùÔºics at the University ...

Optics & Photonics Aug 22, 2024

Repurposing pencil lead as an optical material using plasma

Optical materials are essential in many modern applications, but controlling the way a material reflects light on its surface is costly and difficult. Now, in a recent study, researchers from Japan found a simple and low-cost ...

Nanophysics Aug 6, 2024

New X-ray world record: Looking inside a microchip with 4 nanometer precision

In a collaboration with EPFL Lausanne, ETH Zurich and the University of Southern California researchers at the Paul Scherrer Institute PSI have used X-rays to look inside a microchip with higher precision than ever before. ...

Optics & Photonics Aug 6, 2024

Vertically stacked skin-like active-matrix display with ultrahigh aperture ratio

Skin-like displays are critical components of information output in next-generation portable and wearable electronics. Currently, all such displays are fabricated on glass or thick plastic substrates, limiting the inherent ...

Quantum Âé¶¹ÒùÔºics Aug 1, 2024

Stacked up against the rest: 2D nano-semiconductors advancing quantum technology

Quantum technology is quantifiable in qubits, which are the most basic unit of data in quantum computers. The operation of qubits is affected by the quantum coherence time required to maintain a quantum wave state.

page 11 from 40