Beam steering angle expander with two liquid crystal polymeric diffractive optical elements
Scientists have developed a high-efficiency beam steering angle expander consisting of two liquid crystal polymeric diffractive optical elements. For a LiDAR (light detection and ranging) operating at 905 nm, the steering angle can be expanded by 5.4.....»»
Advances in hydrogen research: More efficient isotope separation in sight
The lightest of all elements, hydrogen, is in great demand due to its promising role as a sustainable resource in the energy transition. A team from Leipzig University and TU Dresden, as part of the Hydrogen Isotopes 1,2,3H Research Training Group, h.....»»
Researchers improve tunability in optical differentiation
A new technique may make it easier for researchers to create real-time images of microscopic samples by considering the waves that propagate through sample surfaces as light interacts with them......»»
Detailed model suggests organic matter on Mars was formed from atmospheric formaldehyde
Although Mars is currently a cold, dry planet, geological evidence suggests that liquid water existed there around 3 to 4 billion years ago. Where there is water, there is usually life. In their quest to answer the burning question about life on Mars.....»»
Microplastics: Meant to last, just not forever and not in our bodies
Megan Hill is an assistant professor of chemistry and leader of the Hill Lab in Colorado State University's College of Natural Sciences. Her research leverages organic chemistry to design advanced polymeric materials for applications in sustainabilit.....»»
Could interstellar quantum communications involve Earth or solve the Fermi paradox?
Thus far, the search for extraterrestrial intelligence (SETI) has used strategies based on classical science—listening for radio waves, telescopes watching for optical signals, telescopes in orbit scouring light from the atmospheres of exoplanets,.....»»
Arctic warming may fuel ice formation in clouds, observations suggest
The Arctic frequently experiences temperatures that support the formation of mixed-phase clouds that contain supercooled liquid droplets and ice crystals. The composition of such clouds plays a crucial role in the region's energy balance and climate.....»»
Groundwater cleanup boost: Tailoring 3D media for DNAPL contaminant removal
Groundwater contamination by organic pollutants, such as non-aqueous phase liquid (DNAPL), poses significant environmental and health risks. These contaminants, often released from industrial activities, can persist in the subsurface environment, for.....»»
First liquid-liquid extraction trial finds porous liquids can separate harmful or unwanted alcohols from mixtures
A world-first study has successfully used porous liquids to achieve liquid-liquid separation for the first time, creating exciting potential for advancing both environmental sustainability and public health......»»
Beyond displays: Liquid crystals in motion mimic biological systems
Liquid crystals are all around us, from cell phone screens and video game consoles to car dashboards and medical devices. Run an electric current through liquid crystal displays (LCDs) and they generate colors, thanks to the unique properties of thes.....»»
Deep design produces "butterfly" phase mask for light-sheet fluorescence microscopy
Researchers have introduced a solution to the problem of light-sheet fluorescence microscopy: novel illumination beams designed based on deep learning using a trainable phase mask. Their study eliminates the need for sophisticated optical design tool.....»»
Cutout or conductive crystal? What you need to know about iPhone 16 cases with proper Camera Control buttons
There is one major distinction in the iPhone case market this year for the launch of Apple’s series 16 handsets, Camera Control. With the introduction of the new multi-gesture Camera Control button, case makers couldn’t simply just resize last ye.....»»
Artemis missions could put the most powerful imaging telescope on the moon
Ground-based interferometry on Earth has proven to be a successful method for conducting science by combining light from several telescopes into acting like a single large telescope. But how can an ultraviolet (UV)/optical interferometer telescope on.....»»
Multifunctional phosphor developed for white LED lighting and optical thermometry
In the realm of lighting and temperature measurement, advancements in material science are paving the way for significant improvements in technology and safety. Traditional methods, which combine yellow phosphors with blue chips in LEDs, have limitat.....»»
Fate Trigger: The Novita is a new battle royale that mixes Fortnite, Valorant, and anime
Fate Trigger: The Novita is a new battle royale from Tencent that mixes elements of Fortnite and Valorant......»»
Experimental data help unravel the mystery surrounding the creation of heavy elements in stars
How are stars born, and how do they die? How do they produce the energy that keeps them burning for billions of years? How do they create the elements we observe today? Definitive answers to these questions continue to elude scientists in their quest.....»»
The iPhone 16 event surprises that left me frustrated
An Apple event is always full of potential. Even though rumors and leaks tend to leave very little ‘new’ remaining for event day, Apple still tends to offer some surprises. Maybe a new feature that no one knew about. Or a unique angle that a rumo.....»»
Biogeochemistry scientists from around the world publish position paper on tackling "hidden" phosphorus
As the world tries to mitigate agriculture's effect on the environment, much of the story can be found in soil, which stores and cycles nutrient elements of carbon, nitrogen, and phosphorus......»»
Crystals hold a secret history of volcanoes—and clues about future eruptions
Imagine you had a crystal ball that revealed when a volcano would next erupt. For the hundreds of millions of people around the world who live near active volcanoes, it would be an extremely useful device......»»
Steering molecular twisting for hydrogen generation
Researchers from the Faculty of S&T at the University of Twente have developed a novel approach for the design of efficient solar fuel devices. Research performed by graduated Ph.D. student Kaijian Zhu shows that reducing the light-induced twisting o.....»»
Could alternative meat meet a growing demand?
Inside a UC Davis engineering lab, tiny round pellets swirl in a brown liquid inside a 5-liter glass tank. The tank, a bioreactor, is brewing edible fungi high in protein and designed to look and taste like meat......»»