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Innovative field experiments shed light on biological clocks in nature

Much of what we know about plant circadian rhythms is the result of laboratory experiments where inputs such as light and temperature can be tightly controlled......»»

Category: topSource:  physorgAug 23rd, 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 News7 hr. 47 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 News10 hr. 19 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 News10 hr. 19 min. ago

Mitigating animal-vehicle collisions with field sensors, AI and ecological modeling

Collisions between animals and vehicles are a threat to conservation efforts and human safety, and have a massive cost for transport infrastructure managers and users......»»

Category: topSource:  physorgRelated News11 hr. 19 min. ago

Professor challenges tokenizing women of color in academia

The unspoken rule for women of color in academia is to be everything to everyone—mentor, diversity champion, tireless scholar, and silent workhorse, says York University equity studies Assistant Professor Yvonne Su in her paper published in Nature.....»»

Category: topSource:  physorgRelated News11 hr. 19 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 News12 hr. 47 min. ago

Genetically encoded biosensors measure living cells" charge in real time

Biological cells have many vital functions in the organism. For example, they produce proteins, carbohydrates and fats. But they are also responsible for detoxifying harmful molecules and transmitting signals and immune defense steps. A so-called red.....»»

Category: topSource:  physorgRelated News12 hr. 47 min. ago

First results from 2021 rocket launch shed light on aurora"s birth

Results from a 2021 experiment led by a University of Alaska Fairbanks scientist have begun to reveal the particle-level processes that create the type of auroras that dance rapidly across the sky......»»

Category: topSource:  physorgRelated News12 hr. 47 min. ago

Compact on-chip polarimeter measures light polarization with high accuracy

Reliably measuring the polarization state of light is crucial for various technological applications, ranging from optical communication to biomedical imaging. Yet conventional polarimeters are made of bulky components, which makes them difficult to.....»»

Category: topSource:  physorgRelated News16 hr. 19 min. ago

How to solve the Three Eyed Gate puzzle in Indiana Jones and the Great Circle

Even Indy doesn't like light puzzles in Indiana Jones and the Great Circle. The three eyed gate puzzle is mandatory, though, so we will help you solve it......»»

Category: topSource:  digitaltrendsRelated NewsDec 19th, 2024

The New Glenn rocket’s seven powerful engines may light up as soon as today

"Maybe, maybe, maybe today, maybe soon. I think it's very soon." In a widely anticipated test, Blue Origin may ignite the seven main engines on its New Glenn rocket as soon as Thu.....»»

Category: topSource:  arstechnicaRelated 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

Need to accurately measure time in space? Use a COMPASSO

Telling time in space is difficult, but it is absolutely critical for applications ranging from testing relativity to navigating down the road. Atomic clocks, such as those used on the Global Navigation Satellite System network, are accurate, but onl.....»»

Category: topSource:  pcmagRelated NewsDec 19th, 2024

Experiments show power-motivated social media users disproportionately spread misinformation

People motivated by power and the desire to influence others are more likely to share fake news posts on social media, according to a new study led by a UCL researcher......»»

Category: topSource:  pcmagRelated NewsDec 19th, 2024

Prototype sunscreen uses TiO₂ nanoparticles to cool skin while blocking UV rays

Wearing sunscreen is important to protect your skin from the harmful effects of UV radiation but doesn't cool people off. However, a new formula, described in Nano Letters, protects against both UV light and heat from the sun using radiative cooling......»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

Scientists recreate molecular timers to control nanomachine activation rates

Living organisms monitor time—and react to it—in many different ways, from detecting light and sound in microseconds to responding physiologically in pre-programmed ways, via their daily sleep cycle, monthly menstrual cycle, or to changes in the.....»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

Arctic snow shows up to 71 times more PFAS during sunny months

PFAS refers collectively to the thousands of man-made chemicals that take a very long time to break down in nature. None of these substances occur naturally—also called forever chemicals, and several are suspected of negatively affecting humans and.....»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

New strategies enhance stability of metal nanoparticles in green hydrogen production

Efficient and durable low-cost catalysts are essential for green hydrogen production and related chemical fuel production, both vital technologies for the transition to renewable energy. Research in this field increasingly focuses on metal exsolution.....»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

Optical spring enables programmable defect mode in new mechanical crystal

Mechanical crystals, also known as phononic crystals, are materials that can control the propagation of vibrations or sound waves, just like photonic crystals control the flow of light. The introduction of defects in these crystals (i.e., intentional.....»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

SpaceX gets green light for seventh Starship test, but when is it?

The FAA has given the nod to SpaceX to conduct its seventh Starship test from its Starbase site in Texas......»»

Category: topSource:  digitaltrendsRelated NewsDec 19th, 2024