Laser melting: Fewer unknowns in the laser nanosynthesis of composites
Composite particles with submicron sizes can be produced by irradiating a suspension of nanoparticles with a laser beam. Violent physical and chemical processes take place during irradiation, many of which have been poorly understood to date. Recentl.....»»
Focusing ultra-intense lasers to a single wavelength
Ultra-intense ultrashort lasers are powerful tools used in various fields like physics, national security, industry, and health care. They help researchers delve into strong-field laser physics, laser-driven radiation sources, particle acceleration,.....»»
Researchers use smartphone screen to create 3D layered holographic images
Researchers have developed a 3D full-color display method that uses a smartphone screen rather than a laser to create holographic images. With further development, the new approach could be useful for augmented or virtual reality displays......»»
Old crystal, new story for enhancing deep ultraviolet laser performance
In the realm of science and technology, harnessing coherent light sources in the deep ultraviolet (DUV) region holds immense significance across various applications such as lithography, defect inspection, metrology, and spectroscopy. Traditionally,.....»»
Melting glaciers in a warmer climate provide new ground for invasive species
Invasive species have rapidly colonized new ground exposed by melting glaciers in the sub-Antarctic island of South Georgia, according to new research......»»
Romania center explores world"s most powerful laser
"Ready? Signal sent!" In the control room of a research center in Romania, engineer Antonia Toma activates the world's most powerful laser, which promises revolutionary advances in everything from the health sector to space......»»
NASA"s mission to an ice-covered moon will contain a message between water worlds
NASA's Europa Clipper spacecraft, headed to Jupiter's ice-covered moon Europa in October 2024, will carry a laser-etched message that celebrates humanity's connection to water. The message pays homage to past NASA missions that carried similar messag.....»»
Unlocking visible femtosecond fiber oscillators: An advance in laser science
The emergence of ultrafast laser pulse generation, marking a significant milestone in laser science, has triggered incredible progress across a wide array of disciplines, encompassing industrial applications, energy technologies, life sciences, and b.....»»
Researchers identify new method to boost laser processing resolution
Focusing a tailored laser beam through transparent glass can create a tiny spot inside the material. Researchers at Tohoku University have reported on a way to use this small spot to improve laser material processing, boosting processing resolution......»»
Micro-Lisa: Making a mark with novel nano-scale laser writing
High-power lasers are often used to modify polymer surfaces to make high-tech biomedical products, electronics and data storage components......»»
Enhancing fire safety: The emergence of PA-DAD as a sustainable flame retardant for epoxy resin composites
Epoxy resin (EP), an essential material in various applications such as adhesives, coatings, and composites, faces challenges due to its intrinsic flammability and dense smoke production, posing threats to safety and property. To address these issues.....»»
Researchers reveal new method for calculating mechanical properties of solids using machine learning
A research team from Skoltech introduced a new method that takes advantage of machine learning for studying the properties of polycrystals, composites, and multiphase systems. It attained high accuracy, nearly as good as that of quantum-mechanical me.....»»
How immersive AI transforms skill development
Organizations are becoming more laser-focused on extracting the value of AI, moving from the experimentation phase toward adoption. While the potential for AI is limitless, AI expertise sadly is not. In this Help Net Security video, David Harris, Pri.....»»
Epson EcoTank Pro ET-5850 review: a nearly flawless inkjet
We tested the Epson EcoTank Pro ET-5850, an all-in-one inkjet tank printer that's fast enough to compete with high-quality color laser printers......»»
High-quality microwave signals generated from tiny photonic chip
In a new Nature study, Columbia Engineering researchers have built a photonic chip that is able to produce high-quality, ultra-low-noise microwave signals using only a single laser. The compact device—a chip so small, it could fit on a sharp pencil.....»»
NASA, industry improve lidars for exploration, science
NASA engineers will test a suite of new laser technologies from an aircraft this summer for Earth science remote sensing. Called "lidar," the instruments could also be used to improve models of the moon's shape and aid the search for Artemis landing.....»»
Holographic message encoded in simple plastic
There are many ways to store data—digitally, on a hard disk, or using analog storage technology, for example as a hologram. In most cases, it is technically quite complicated to create a hologram: High-precision laser technology is normally used fo.....»»
Breakthrough in melting point prediction: 100-year-old physics problem solved
A longstanding problem in physics has finally been cracked by Professor Kostya Trachenko of Queen Mary University of London's School of Physical and Chemical Sciences. His research, published in Physical Review E, unveils a general theory for predict.....»»
Greenland Ice Sheet motion minimally impacted by late-season melting, study finds
Ice melting has become an ever-pressing concern in recent decades as climate change has brought evocative images of lone polar bears floating on unsustainable small blocks of sea ice. Yet, the consequences are far-reaching in terms of freshening of s.....»»
Direct laser writing on halide perovskites: From mechanisms to applications
Metal halide perovskites have become well-deserved "star" materials among a variety of semiconductors owing to their excellent optoelectronic properties, such as high photoluminescence (PL) quantum yield (QY), high absorption coefficient, tunable ban.....»»
Lidar sensors vulnerable to spoofing attacks, researchers say
Using a series of high-frequency laser pulses, researchers created a 10-square meter perception dead zone......»»