Creating a broadband diffractive graphene orbital angular momentum metalens by laser nanoprinting
Optical beams carrying orbital angular momentum (OAM) attract widespread attention and play an important role in optical data storage, optical communications, quantum information processing, super-resolution imaging, and optical trapping and manipula.....»»
Meta to discontinue its ‘Spark’ platform for creating AR filters for Instagram
Meta on Tuesday announced a major update coming to Instagram and its other apps. However, rather than adding a new feature, the company is removing one. That’s because Meta has confirmed that it will be shutting down its Spark platform, which lets.....»»
Nanotubes boost: Liquid-phase synthesis unlocks efficient production
Single-walled carbon nanotubes (SWCNTs) are known for their remarkable properties, which make them essential in many advanced technologies. Yet, creating these nanotubes efficiently and on a large scale has been a persistent challenge......»»
SpaceX Polaris Dawn launch pushed back after helium leak
SpaceX on Monday pushed back the historic launch of an all-civilian crew on an orbital expedition set to mark a new chapter in space exploration with the first spacewalk by private citizens......»»
Samsung adds two more ultra short throw projectors to its Premiere lineup
The Samsung Premiere 9 and Premiere 7 add two very capable laser projectors to the company's ultra short throw lineup......»»
How to download Microsoft PowerPoint
For building slideshows and creating presentations, PowerPoint is a stellar tool. Here’s how to download PowerPoint along with alternative ways to use it......»»
NASA"s DART impact permanently changed the shape and orbit of asteroid moon, new study shows
When NASA's Double Asteroid Redirection Test (DART) spacecraft collided with an asteroid moon called Dimorphos in 2022, the moon was significantly deformed—creating a large crater and reshaping it so dramatically that the moon derailed from its ori.....»»
World"s first micromachine twists 2D materials at will
Just a few years ago, researchers discovered that changing the angle between two layers of graphene, an atom-thick sheet of carbon, also changed the material's electronic and optical properties. They then learned that a "twist" of 1.1 degrees—dubbe.....»»
Advanced orbital angular momentum mode switching in multimode fiber utilizing an optical neural network chip
The rapid development of technologies such as the internet, mobile communications, and artificial intelligence has dramatically increased the demand for high-capacity communication systems. Among various solutions, mode-division multiplexing (MDM) ha.....»»
New view of North Star reveals spotted surface
Researchers using Georgia State University's Center for High Angular Resolution Astronomy (CHARA) Array have identified new details about the size and appearance of the North Star, also known as Polaris. The new research is published in The Astrophys.....»»
Humans can work with nature to solve big environmental problems—but there"s no quick fix, researchers say
"Nature-based solutions" are gaining momentum in environmental policy, including in Australia. They involve working with nature to protect, restore or manage ecosystems in a way that benefits both people and the environment......»»
AI accelerates discovery of next-gen polymers
Nylon, Teflon, Kevlar. These are just a few familiar polymers—large-molecule chemical compounds—that have changed the world. From Teflon-coated frying pans to 3D printing, polymers are vital to creating the systems that make the world function be.....»»
Unveiling the intricate and subtle dance of proteins: Understanding how parasites disarm host defenses
Pathogens hijack host cell functions by expressing or secreting effector proteins, creating environments conducive to their survival and reproduction. These pathogenic microorganisms—including eukaryotic parasites, prokaryotic bacteria, and viruses.....»»
Threads now lets users save multiple drafts, introduces new tools for creators
Threads, Meta’s microblogging platform, has introduced the option to let users save a draft when creating a new post. However, it was only possible to save a single draft. Now Threads is expanding this feature, allowing users to save multiple draft.....»»
NASA acknowledges it cannot quantify risk of Starliner propulsion issues
"We don’t have enough insight and data to make some sort of simple black-and-white calculation." Enlarge / Artist's illustration of Boeing's Starliner spacecraft firing four of its orbital maneuvering engines, as it will during.....»»
Cybersecurity jobs available right now: August 14, 2024
Cloud Security Specialist EPAM Systems | Chile | Remote – View job details As a Cloud Security Specialist, you will be responsible for creating and maintaining security policies and assisting in the implementation and automation of se.....»»
How to use Gemini AI to create presentations in Google Slides
Gemini AI takes the pain out of creating slideshow presentations, but not watching them......»»
Study finds protein reduces toxicity of graphene oxide for drug delivery
A new study has discovered ways to reduce the toxicity of graphene oxide (GO), an ultra-thin sheet of nanomaterial derived from graphite, laying the groundwork to use it as a drug delivery system......»»
Large language models pose a risk to society and need tighter regulation, say researchers
Leading experts in regulation and ethics at the Oxford Internet Institute, have identified a new type of harm created by LLMs which they believe poses long-term risks to democratic societies and needs to be addressed by creating a new legal duty for.....»»
Research team uses tunable laser to develop straightforward broadband spectroscopy method with Hz-level precision
Since the first demonstration of the laser in the 1960s, laser spectroscopy has become an essential tool for studying the detailed structures and dynamics of atoms and molecules. Advances in laser technology have further enhanced its capabilities. Th.....»»
Don’t call it boring — this printer was an absolute joy to use
I reviewed HP's Color LaserJet Pro 4201dw to find out if this affordable color laser printer has good quality and long-term value......»»