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How different light-absorbing impurities in snow influence its reflectance characteristics

Light-absorbing impurities (LAIs) in snow influence spectral characteristics of snow, especially on its albedo, thus affecting the earth–air energy balance and indirectly leading to climate change......»»

Category: topSource:  physorgJun 20th, 2023

A single atom can change the directional profile of the light emitted in scanning tunneling microscopes

Researchers from Madrid explain a phenomenon that allows the direction of light emission to be controlled at the atomic scale. The paper provides a detailed explanation of how the profile of the light collected in a scanning tunneling microscope (STM.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

Scientists discover all-optical nuclear magnetic resonance analog with quantum fluids of light

Researchers from Skoltech, the University of Warsaw, and the University of Iceland have demonstrated that by optical means it is possible to excite and stir an exciton-polariton condensate, which emits a linearly polarized light with a polarization a.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

Webb confirms a longstanding galaxy model

Perhaps the greatest tool astronomers have is the ability to look backward in time. Since starlight takes time to reach us, astronomers can observe the history of the cosmos by capturing the light of distant galaxies......»»

Category: topSource:  physorgRelated NewsNov 4th, 2024

Multi-layered site in Tajikistan"s Zeravshan Valley uncovered, offering new insights into human expansion

In an important discovery, archaeologists from the Hebrew University of Jerusalem and the National Academy of Sciences of Tajikistan have uncovered a multi-layered archaeological site in the Zeravshan Valley, central Tajikistan, shedding rare light o.....»»

Category: topSource:  physorgRelated NewsNov 4th, 2024

Report reveals challenges facing transnational families

A new report from the University of Reading brings to light the unique and often overlooked challenges faced by families living across national borders......»»

Category: topSource:  physorgRelated NewsNov 4th, 2024

Study examines effects of Atlantic circulation on the Amazon rainforest

The Amazon region is a global hotspot of biodiversity and plays a key role in the climate system because of its ability to store large amounts of carbon and its influence on the global water cycle. The rain forest is threatened, however, by climate c.....»»

Category: topSource:  physorgRelated NewsNov 4th, 2024

New digital light manufacturing approach resolves common problems associated with 3D printing

A team of materials scientists, medical researchers and engineers affiliated with a large number of institutions across Australia has developed a new way to conduct digital light manufacturing that overcomes problems with current methods. In their pa.....»»

Category: topSource:  physorgRelated NewsNov 2nd, 2024

How the 2024 Election Could Change Access to Health Care in the U.S. and Influence Global Nuclear Policies

The outcome of the 2024 U.S. presidential election could reshape policies from health care at home to nuclear proliferation abroad.....»»

Category: scienceSource:  sciamRelated NewsNov 1st, 2024

There Are Three Types of Twilight

At dusk and dawn, the sky dances with three phases of in-between light.....»»

Category: scienceSource:  sciamRelated NewsNov 1st, 2024

Researchers study effect of phosphorous and irradiance on the invasive plant Chromolaena odorata

Resource competition is an important factor affecting the invasion success of alien plants, and environmental factors influence the competition outcomes between invasive and native plants. Chromolaena odorata has been listed as one of the main invasi.....»»

Category: topSource:  physorgRelated NewsNov 1st, 2024

Cloud-inspired method of guiding light: Waveguiding mechanism could provide new ways to look inside the human body

Scientists have taken inspiration from the way sunlight passes through clouds to discover an entirely new way of controlling and guiding light......»»

Category: topSource:  physorgRelated NewsNov 1st, 2024

Chiral molecular self-assemblies that absorb light boost singlet fission process, research demonstrates

In organic molecules, an exciton is a particle bound pair of an electron (negative charge) and its hole (positive charge). They are held together by Coulombic attraction and can move within molecular assemblies. Singlet fission (SF) is a process wher.....»»

Category: topSource:  physorgRelated NewsNov 1st, 2024

Astronomers predict the orbits of potentially hazardous comets from meteor showers

Comets have long been seen as omens and portents, and it's easy to understand why. They first appear as faint smudges of light in the sky, sometimes fading soon after and sometimes becoming brighter than the planets, with a long, glowing tail. They h.....»»

Category: topSource:  marketingvoxRelated NewsOct 31st, 2024

A new paradigm for control of quantum emitters—modulating and encoding quantum photonic info on a single light stream

A U.S. Naval Research Laboratory (NRL) multi-disciplinary team developed a new paradigm for the control of quantum emitters, providing a new method for modulating and encoding quantum photonic information on a single photon light stream......»»

Category: topSource:  theglobeandmailRelated NewsOct 31st, 2024

New method successfully recycles carbon fiber composite into reusable materials

USC researchers have developed a new process to upcycle the composite materials appearing in automobile panels and light rail vehicles, addressing a current environmental challenge in the transportation and energy sectors. The study recently appeared.....»»

Category: topSource:  theglobeandmailRelated NewsOct 31st, 2024

Amazon deal of the day: Snag an Echo Show 5 and a smart color light bulb for under $50

The best Amazon deals on Oct. 31 include an Echo Show 5 bundle, Fire HD 10 Kids, Samsung Galaxy Tab A9+, and Ninja Foodi XL air fryer oven. Check out the best Amazon deals of the day as of Oct. 31:.....»»

Category: topSource:  pcmagRelated NewsOct 31st, 2024

Destructive weed, found in New York state, resists common herbicides

The invasive pigweed Palmer amaranth, first found in New York soybean fields in 2019, has been dubbed the "spotted lanternfly of weeds" for its ability to spread quickly and wreak havoc on crops. Now a new study sheds light on how formidable an oppon.....»»

Category: topSource:  pcmagRelated NewsOct 31st, 2024

A novel state of thorium opens the possibility for a nuclear clock

Why are there atomic clocks but no nuclear clocks? After all, an atom's nucleus is typically surrounded by many electrons, so in principle it should be less susceptible to outside noise (in the form of light). A nucleus, for high-atomic number atoms,.....»»

Category: topSource:  pcmagRelated NewsOct 31st, 2024

Snow forecast next week on Mt Fuji, at last

Japan's Mount Fuji, snowless for the longest since records began 130 years ago, is expected to finally get its famous white cap back next week, a local forecaster said on Thursday......»»

Category: topSource:  pcmagRelated NewsOct 31st, 2024

Accelerating 3D nanofabrication using a sensitive cationic photoresist

Two-photon laser direct writing lithography or TPL is a cutting-edge technique used for creating nanoscale structures. It works by leveraging specific materials known as photoresists, which change their chemical properties when exposed to light. Thes.....»»

Category: topSource:  pcmagRelated NewsOct 31st, 2024