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Characterizing limestone rocks with Raman spectroscopy

Research published in The European Physical Journal Plus shows that it is possible to classify rocks according to the size of the particles they contain during quarrying, using a portable Raman spectrometer......»»

Category: topSource:  physorgMay 4th, 2022

Raman spectroscopy study decodes symbiotic interactions in marine algae

In a recent study, researchers from the Leibniz Institute of Photonic Technology (Leibniz IPHT) and the Friedrich Schiller University Jena have shown how they can non-invasively and non-destructively investigate the growth and interactions of the gre.....»»

Category: topSource:  physorgRelated News6 hr. 36 min. ago

Ultra-high speed camera for molecules: Attosecond spectroscopy captures electron transfer dynamics

In nature, photosynthesis powers plants and bacteria; within solar panels, photovoltaics transform light into electric energy. These processes are driven by electronic motion and imply charge transfer at the molecular level. The redistribution of ele.....»»

Category: topSource:  physorgRelated NewsSep 25th, 2024

Afar mantle plume study offers new insight into deep Earth processes

Sophisticated analysis of tiny bubbles of ancient gas trapped in volcanic rocks, combined with new geophysical modeling, has cast new light on long-held assumptions about the deep Earth......»»

Category: topSource:  physorgRelated NewsSep 25th, 2024

Discovering new energy levels in atomic hyperfine structures

Since the late 1960s, the Laboratoire Aimé Cotton (LAC) in Orsay, France, has made significant progress in the classification of complex atomic spectra. These advances have been driven both by the development of Fourier transform spectroscopy, and t.....»»

Category: topSource:  physorgRelated NewsSep 24th, 2024

High-pressure reactions can turn nonporous rocks into sponges

In deep Earth, rocks take up and release water all the time, and the effects can be wide reaching. Dehydration can cause rocks to crack and trigger earthquakes, and over geologic timescales, this water cycling can influence plate tectonics and move c.....»»

Category: topSource:  physorgRelated NewsSep 23rd, 2024

Sources of water and hydroxyl are widespread on the moon, new analysis of maps finds

A new analysis of maps of the near and far sides of the moon shows that there are multiple sources of water and hydroxyl in the sunlit rocks and soils, including water-rich rocks excavated by meteor impacts at all latitudes......»»

Category: topSource:  physorgRelated NewsSep 23rd, 2024

X-Ray Imaging and Spectroscopy Mission unveils black hole and supernova remnant surroundings

The X-Ray Imaging and Spectroscopy Mission (XRISM) has revealed the structure, motion and temperature of the material around a supermassive black hole and in a supernova remnant in unprecedented detail. Astronomers presented the first scientific resu.....»»

Category: topSource:  physorgRelated NewsSep 20th, 2024

Photoacoustic sensor achieves high-sensitivity detection of multiple greenhouse gases

Recently, Prof. Gao Xiaoming's team from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, developed a novel photoacoustic spectroscopy (PAS)-based sensor that enabled simultaneous, high-sensitive detection of CO2, CH4, and.....»»

Category: topSource:  physorgRelated NewsSep 19th, 2024

20 more dead, 450 injured as new round of explosions rocks Lebanon: Health officials

20 more dead, 450 injured as new round of explosions rocks Lebanon: Health officials.....»»

Category: gadgetSource:  yahooRelated NewsSep 19th, 2024

"Disappeared completely": melting glaciers worry Central Asia

Near a wooden hut high up in the Kyrgyz mountains, scientist Gulbara Omorova walked to a pile of gray rocks, reminiscing how the same spot was a glacier just a few years ago......»»

Category: topSource:  physorgRelated NewsSep 16th, 2024

Evidence of “snowball Earth” found in ancient rocks

An outcrop in Scotland has material from when the Earth went into a deep freeze. Enlarge / Artist's conception of the state of the Earth during its global glaciations. (credit: NASA) Earth has gone through many geologic.....»»

Category: topSource:  arstechnicaRelated NewsSep 13th, 2024

Neural network improves tunable diode laser absorption spectroscopy quantification accuracy

A research group from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences recently developed a neural network-based absorbance recovery method to improve the accuracy of single path tunable diode laser absorption spect.....»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Precariously balanced rocks in New York, Vermont provide limits on earthquake shaking

Five boulders, delivered by glacier and balancing delicately on rocky pedestals in northern New York and Vermont, can help define long-term maximum shaking intensity of earthquakes in the region......»»

Category: topSource:  pcmagRelated NewsSep 11th, 2024

NMR spectroscopy method provides faster way to determine chiral structure of molecules

Researchers from Karlsruhe Institute of Technology (KIT) and Voxalytic GmbH have developed a new method that allows, for the first time, the elucidation of the chiral structure of molecules—the exact spatial arrangement of the atoms—by nuclear ma.....»»

Category: topSource:  theglobeandmailRelated NewsSep 10th, 2024

Witness 1.8 billion years of tectonic plates dance across Earth"s surface in a new animation

Using information from inside the rocks on Earth's surface, we have reconstructed the plate tectonics of the planet over the last 1.8 billion years......»»

Category: topSource:  theglobeandmailRelated NewsSep 6th, 2024

Engineers smash rocks to see what occurs when top layer of an asteroid-like object is hit with extreme external force

Johns Hopkins engineers have uncovered new details about how granular materials such as sand and rock behave under extreme impacts—findings that could someday help protect the Earth from dangerous asteroids......»»

Category: topSource:  physorgRelated NewsSep 2nd, 2024

Spectroscopy study reveals electrons in cocatalyst periphery drive photocatalytic hydrogen evolution

Synchronizing periodic excitations of photocatalysts with a Michelson interferometer on operando FT–IR spectroscopy, researchers led by Toshiki Sugimoto succeeded in observing and identifying the reactive electron species for photocatalytic hydroge.....»»

Category: topSource:  physorgRelated NewsAug 29th, 2024

The Onyx Boox Go is one of the coolest tablets I’ve ever used

There are note-taking tablets. Then there's the Boox Go 10.3 by Onyx. This sunlit slate runs Android, rocks an enviable design, and offers a ton of tricks......»»

Category: topSource:  digitaltrendsRelated NewsAug 29th, 2024

Researchers develop near-infrared spectroscopy models to analyze corn kernels and biomass

In the agricultural and food industry, determining the chemical composition of raw materials is important for production efficiency, application, and price. Traditional laboratory testing is time-consuming, complicated, and expensive. New research fr.....»»

Category: topSource:  pcmagRelated NewsAug 27th, 2024

Darwin"s fear was unjustified: Study suggests fossil record gaps not a major issue

Fossils are used to reconstruct evolutionary history, but not all animals and plants become fossils and many fossils are destroyed before we can find them (e.g., the rocks that contain the fossils are destroyed by erosion). As a result, the fossil re.....»»

Category: topSource:  physorgRelated NewsAug 26th, 2024