Efficient generations of complex vectorial optical fields with metasurfaces
Vectorial optical fields (VOFs) exhibiting arbitrarily designed wave-fronts and polarization distributions are highly desired in photonics. To efficiently generate arbitrary VOFs, scientists in China proposed a generic approach based on metasurfaces.....»»
Self-adjusted reaction pathway enables efficient oxidation of aromatic C-H bonds over Co@Y catalyst
The selective oxidation of aromatic C-H bonds has drawn significant attention in both industrial and fine chemistry due to its crucial role in converting readily- and cheaply-available aromatic hydrocarbons into high-value-added oxygenated products f.....»»
Compact quantum light processing: New findings lead to advances in optical quantum computing
An international collaboration of researchers, led by Philip Walther at University of Vienna, have achieved a significant breakthrough in quantum technology, with the successful demonstration of quantum interference among several single photons using.....»»
Are Titan"s dunes made of comet dust?
A new theory suggests that Titan's majestic dune fields may have come from outer space. Researchers had always assumed that the sand making up Titan's dunes was locally made, through erosion or condensed from atmospheric hydrocarbons. But researchers.....»»
Training of brain processes makes reading more efficient
A team of researchers from the University of Cologne and the University of Würzburg have found in training studies that the distinction between known and unknown words can be trained and leads to more efficient reading. Recognizing words is necessar.....»»
NASA gives green light to mission to send car-sized drone to Saturn moon
NASA’s Mars helicopter mission is now officially over, but following it is an even more complex flying machine destined to explore Saturn’s largest moon......»»
NASA green-lights mission to send car-sized drone to Saturn moon
NASA’s Mars helicopter mission is now officially over, but following it is an even more complex flying machine destined to explore Saturn’s largest moon......»»
Honey bees experience multiple health stressors out in the field
It's not a single pesticide or virus stressing honey bees, and affecting their health, but exposure to a complex web of multiple interacting stressors encountered while at work pollinating crops, new research from York University has found......»»
How groups and technology tackle complex problems together
Picture a group of students tackling a complex project: some are brainstorming, others are researching, and some are planning the presentation. Each student plays a unique role, yet they all work together......»»
Laifen Wave review: the electric toothbrush of the future
An electric toothbrush is a good and efficient way of getting your teeth cleaned, and the Laifen Wave is a great place to start. The post Laifen Wave review: the electric toothbrush of the future appeared first on Phandroid. Most of us kno.....»»
Spintronics: A new path to room temperature swirling spin textures
In some materials, spins form complex magnetic structures within the nanometer and micrometer scale in which the magnetization direction twists and curls along specific directions. Examples of such structures are magnetic bubbles, skyrmions, and magn.....»»
Sink to source: Does what we put into our plumbing end up back in the water supply?
When you see an advertisement for a detergent promising to brighten your clothes, something called a fluorescent whitening compound, or optical brightener, is probably involved. Such material absorbs UV light and emits visible blue light via fluoresc.....»»
Ultra-resilient flexible sensors break new ground in pressure detection
In recent advancements, flexible pressure sensors have been developed to mimic human skin's sensitivity, significantly benefiting fields like interactive technologies, health monitoring, and robotics. These innovations leverage a variety of microstru.....»»
Trash to treasure—Researchers turn metal waste into catalyst for hydrogen
Scientists have found a way to transform metal waste into a highly efficient catalyst to make hydrogen from water, a discovery that could make hydrogen production more sustainable......»»
New research could enable more—and more efficient—synthesis of metastable materials
Ion exchange is a powerful technique for converting one material to another when synthesizing new products. In this process, scientists know what reactants lead to what products, but how the process works—the exact pathway of how one material can b.....»»
Gigahertz-rate switchable wavefront shaping by LNOI-empowered metasurface
Over the past decade, metasurfaces deploying two-dimensional artificial nanostructures have emerged as a groundbreaking platform to manipulate light across various degrees of freedom. These metasurfaces exhibit significant potential in foundational s.....»»
New benzofuran synthesis method enables complex molecule creation
In the field of organic chemistry, scientists are always looking out for new types of reactions to unlock synthesis routes for challenging compounds. Most of the progress that we have witnessed in pharmaceutics and agrochemicals over the past few dec.....»»
Seed ferns experimented with complex leaf vein networks 201 million years ago, paleontologists find
According to a research team led by paleontologists from the University of Vienna, the net-like leaf veining typical for today's flowering plants developed much earlier than previously thought, but died out again several times. Using new methods, the.....»»
Palladium nanocluster catalyst supports highly efficient and regioselective hydrogenation of epoxides
Alcohols are widely applied in life sciences and the chemical industry. Selective hydrogenation of epoxides using hydrogen molecules as a reductant is considered to be one of the most facile and atom-economical strategies for alcohol synthesis. Howev.....»»
Study sheds light on 11th-century Arab-Muslim optical scientist whose work laid foundation for modern-day physics
Scientists from the University of Sharjah and the Warburg Institute are poring over the writings of an 11th-century Arab-Muslim polymath to demonstrate their impact on the development of optical sciences and how they have fundamentally transformed th.....»»
Officials sued over farm chemicals near Latino schools
For Nelly Vaquera-Boggs, the plastic tarps that cover strawberry fields in Monterey County, California, when they are being fumigated with toxic chemicals offer little comfort—especially when those fields are close to schools......»»