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Light pollution is taking the sparkle out of glow-worm mating

The invention of electric light has extended our lives deeper into the night: street lamps help us travel more safely outdoors, while lighting indoors lets us work and play for longer. Entire stadiums are drenched in light so that people can watch sp.....»»

Category: topSource:  physorgJun 17th, 2023

Scientists observe "negative time" in quantum experiments

Scientists have long known that light can sometimes appear to exit a material before entering it—an effect dismissed as an illusion caused by how waves are distorted by matter......»»

Category: topSource:  physorgRelated News40 min. ago

Wireless antennas harness light to decode cellular communication signals

Monitoring electrical signals in biological systems helps scientists understand how cells communicate, which can aid in the diagnosis and treatment of conditions like arrhythmia and Alzheimer's......»»

Category: topSource:  physorgRelated News21 hr. 7 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 NewsDec 20th, 2024

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 NewsDec 20th, 2024

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 NewsDec 20th, 2024

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 NewsDec 20th, 2024

EPA investigating taconite mine for pollution that threatens wild rice

In a novel attempt to enforce a longstanding Minnesota rule protecting wild rice, the EPA is investigating U.S. Steel's taconite mine, Keetac, for repeatedly releasing a rice-killing pollutant into surface waters......»»

Category: topSource:  physorgRelated NewsDec 20th, 2024

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 NewsDec 20th, 2024

Environmental groups challenge update to California"s low-carbon transportation rules

A coalition of environmental groups challenged California's leading climate regulator on Wednesday, alleging that a recent update to a leading climate program will create additional pollution in the state's San Joaquin Valley......»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

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

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

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

Distant blazar discovery supports rapid black hole formation in the early universe

Astronomers have discovered an important piece of the puzzle of how supermassive black holes were able to grow so quickly in the early universe: a special kind of active galactic nucleus so distant that its light has taken more than 12.9 billion year.....»»

Category: topSource:  informationweekRelated NewsDec 18th, 2024

Antineutrino detection gets a boost with novel plastic scintillator

How do you find and measure nuclear particles, like antineutrinos, that travel near the speed of light?.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Dying Light: The Beast: release date window, trailers, gameplay, and more

The next chapter in the Dying Light universe isn't called Dying Light 3, but Dying Light: The Beast. Try not to get bit as we run through everything we know......»»

Category: topSource:  digitaltrendsRelated NewsDec 18th, 2024

Scientists provide insights into photosystem II under low-light conditions

In higher plants and green algae, photosystem II (PSII) usually combines with light harvesting complex II (LHCII) to form the PSII-LHCII supercomplex. Under low-light conditions, the PSII-LHCII supercomplexes are organized laterally into higher-order.....»»

Category: topSource:  physorgRelated NewsDec 18th, 2024

Layer by layer: How simulations help manufacturing of modern displays

Modern materials must be recyclable and sustainable. Consumer electronics is no exception, with organic light-emitting diodes (OLEDs) taking over modern televisions and portable device displays. However, the development of suitable materials—from t.....»»

Category: topSource:  physorgRelated NewsDec 18th, 2024