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Researchers simulate novel metal-filtered VCSEL modal control

A study led by researchers from the Changchun Institute of Optics, Fine Mechanics and Physics of the Chinese Academy of Sciences revealed a novel metal-dielectric film mode filter structure that can flexibly regulate transverse modes in vertical-cavi.....»»

Category: topSource:  physorgSep 13th, 2024

Researchers take "significant leap forward" with quantum simulation of molecular electron transfer

Researchers at Rice University have made a meaningful advance in the simulation of molecular electron transfer—a fundamental process underpinning countless physical, chemical and biological processes. The study, published in Science Advances, detai.....»»

Category: topSource:  physorgRelated News12 hr. 44 min. ago

New electron microscopy technique reveals complex spin structures at femtosecond timescales

Plasmons are collective oscillations of electrons in a solid and are important for a wide range of applications, such as sensing, catalysis, and light harvesting. Plasmonic waves that travel along the surface of a metal, called surface plasmon polari.....»»

Category: topSource:  physorgRelated News15 hr. 16 min. ago

Advancing light control: New opportunities for metasurfaces in optoelectronics

A global review of advancements in integrating metasurfaces—thin planar arrays of nanostructures—into optoelectronic devices highlights their potential to transform technologies such as light emitting diodes (LEDs), lasers, optical modulators, an.....»»

Category: topSource:  physorgRelated News15 hr. 16 min. ago

Volunteers should not become friends with patients, say Norwegian researchers

When a volunteer supports a patient, a special and often rather unequal relationship can develop between the helper and the person receiving the help. Researchers have now investigated this relationship and offer guidance on finding the right balance.....»»

Category: topSource:  physorgRelated News16 hr. 16 min. ago

Shedding light on snow"s crucial role in Earth"s climate system

EU researchers are braving extreme Arctic conditions to shed light on snow's crucial role in Earth's climate system......»»

Category: topSource:  physorgRelated News17 hr. 44 min. ago

Grapevine protein resembles animal ion transport function, researchers discover

Researchers at the University of Adelaide have discovered that a protein which mediates the transport of alkali metal ions, such as potassium, and halide ions across plant membranes acts similarly to a protein found in animals......»»

Category: topSource:  physorgRelated News17 hr. 44 min. ago

Dark energy "doesn"t exist" so can"t be pushing "lumpy" universe apart, physicists say

One of the biggest mysteries in science—dark energy—doesn't actually exist, according to researchers looking to solve the riddle of how the universe is expanding......»»

Category: topSource:  physorgRelated News17 hr. 44 min. ago

Programming cells: New RNA tool enhances precision in synthetic genetic circuits

Researchers have successfully developed a modular synthetic translational coupling element (SynTCE), significantly enhancing the precision and integration density of genetic circuits in synthetic biology. Their study was recently published in the jou.....»»

Category: topSource:  physorgRelated News17 hr. 44 min. ago

By looking at individual atoms in tooth enamel, researchers are learning what happens to our teeth as we age

Teeth are essential for helping people break down the food they eat, and are protected by enamel, which helps them withstand the large amount of stress they experience as people chew away. Unlike other materials in the body, enamel has no way to repa.....»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

New physics sim trains robots 430,000 times faster than reality

"Genesis" can compress training times from decades into hours using 3D worlds conjured from text. On Thursday, a large group of university and private industry researchers unveile.....»»

Category: topSource:  arstechnicaRelated NewsDec 19th, 2024

Plasma heating efficiency in fusion devices boosted by metal screens

Heating plasma to the ultra-high temperatures needed for fusion reactions requires more than turning the dial on a thermostat. Scientists consider multiple methods, one of which involves injecting electromagnetic waves into the plasma, the same proce.....»»

Category: topSource:  theglobeandmailRelated NewsDec 19th, 2024

New "molecular flipbook" gives researchers the best look yet at ribosomal motion

At one time or another, most of us have played with a flipbook, using our thumbs to rapidly flip a series of pictures to create an illusion of movement......»»

Category: topSource:  theglobeandmailRelated NewsDec 19th, 2024

Sugar solution matches antibiotics in treating cow infections

A concentrated sugar solution could be just as effective as antibiotics at treating a common infection in dairy cows, according to a new study led by researchers at Penn State. The results were recently published in the journal Frontiers in Veterinar.....»»

Category: topSource:  theglobeandmailRelated NewsDec 19th, 2024

Molecular tool demonstrates how bad eggs are identified for destruction by reproductive system

The biological factory that produces reproductive cells has a robust quality control system to identify and eliminate eggs with chromosomal abnormalities. For years, cell biologists have sought to uncover the mechanisms behind this system, relying on.....»»

Category: topSource:  pcmagRelated NewsDec 19th, 2024

Researchers unveil chip for quick antibiotic monitoring in water

Antimicrobial resistance (AMR) is a growing global health crisis because of microbes, such as bacteria, becoming resistant to antibiotics. A leading factor in this rise is the improper use and disposal of antibiotics in the environment......»»

Category: topSource:  pcmagRelated NewsDec 19th, 2024

Researchers highlight role "workhorse protein" plays in keeping nervous system running smoothly

A team of researchers from the University of Massachusetts Amherst is the first to show how proteins called "chaperones" are vital in ensuring that neurons can transmit signals to one another. When this neurotransmission breaks down, devastating dise.....»»

Category: topSource:  pcmagRelated NewsDec 19th, 2024

Hybrid dune experiment tests erosion resistance during storms

Last week, a 100-meter-long test dune was raised on the coast near Monster. A hybrid dune, consisting of a combination of sand and hard elements. Researchers from TU Delft are monitoring how different configurations erode during stormy weather condit.....»»

Category: topSource:  pcmagRelated NewsDec 19th, 2024

Sustainability not an important criterion in top executives" remuneration

A study by an international team of researchers from the University of Tübingen and the HEC business school in Paris has shown that the payment of bonuses to executive board members in large European corporations is only minimally influenced by whet.....»»

Category: topSource:  pcmagRelated NewsDec 19th, 2024

Cellular RNA plays key role in antiviral defense, study finds

Scientists have uncovered a new role for a cell's own RNA in fending off attacks by RNA viruses. Some of the cell's RNA molecules, researchers found, help regulate antiviral signaling. These signals are part of the intricate coordination of immune re.....»»

Category: topSource:  pcmagRelated NewsDec 19th, 2024

Early warning tool may help control huge locust swarms

Desert locusts typically lead solitary lives until something—like intense rainfall—triggers them to swarm in vast numbers, often with devastating consequences......»»

Category: topSource:  pcmagRelated NewsDec 19th, 2024