Visualizing temperature transport: An unexpected technique for nanoscale characterization
As devices continue to shrink, new challenges in their measurement and design present themselves. For devices based on molecular junctions, in which single molecules are bound to metals or semiconductors, we have a variety of techniques to study and.....»»
Astronauts stranded in space: Unexpected eight-month stay highlights risks of space exploration
Astronauts Butch Wilmore and Suni Williams took off for the International Space Station in June. The test flight aboard Boeing's Starliner was supposed to last a week, but they have yet to return......»»
Is Betelgeuse actually a binary star?
Betelgeuse has been a favorite among amateur astronomers for many years. However you pronounce it, its unexpected dimming draws even more attention to this red supergiant variable star in Orion. It has a few cycles of variability. One of them occurs.....»»
Scientists develop new chemical tool for infection research
Researchers from Würzburg and Berlin present a new molecule for visualizing the sphingomyelin metabolism. This offers prospects for innovative therapeutic approaches in infection research. The work is published in the journal Nature Communications......»»
New Sisyphus cooling technique could enhance precision of atomic clocks
Researchers in the Neutral Atom Optical Clocks Group at the National Institute of Standards and Technology (NIST), University of Colorado and Pennsylvania State University recently devised a new sub-recoil Sisyphus cooling technique that could help t.....»»
Researchers model physics of the pumping technique used to achieve air on a skateboard half-pipe
A team of engineers and mathematicians from ETH Zürich, working with colleagues from The Institute of Statistical Mathematics, and ATR Institute International, both in Japan, has successfully modeled the physics involved when humans pump on skateboa.....»»
New technique paves the way for efficient vitamin D3 production
Scientists have developed a method to produce vitamin D3 (VD3), a vital nutrient for bone health and immune function, with greater efficiency and purity. This breakthrough utilizes intricately designed microchannels carved into glass using ultra-fast.....»»
International report confirms record-high global temperatures in 2023
Greenhouse gas concentrations, the global temperature across land and the ocean, global sea level, and ocean heat content all reached record highs in 2023, according to the 34th annual State of the Climate report......»»
Record-breaking drought in southern China linked to Eurasian warming and tropical sea surface temperature
Southern China experienced an extreme drought that persisted from summer to autumn in 2022, ranking as the most severe drought since 1980. The reason for the occurrence of this extreme drought event was investigated. It shows that both the Eurasian w.....»»
Proof-of-concept study demonstrates mid-infrared computational temporal ghost imaging
Ghost imaging in the time domain allows for reconstructing fast temporal objects using a slow photodetector. The technique involves correlating random or pre-programmed probing temporal intensity patterns with the integrated signal measured after mod.....»»
Sound drives "quantum jumps" between electron orbits
Cornell University researchers have demonstrated that acoustic sound waves can be used to control the motion of an electron as it orbits a lattice defect in a diamond, a technique that can potentially improve the sensitivity of quantum sensors and be.....»»
Hybrid imaging approach reveals microbes in 3D
Caltech researchers have developed a new method to create three-dimensional images of complex communities of bacteria and plant roots. The technology synthesizes two traditional methods of imaging: visualizing microbes with fluorescence and a noninva.....»»
Will the ‘Car-Free’ Los Angeles Olympics Work?
Organizers of the 2028 Summer Games will attempt to re-create the city’s public transport heyday of the early 20th century, but ousting the car—even for just a few weeks—will be costly......»»
Android malware steals payment card data using previously unseen technique
Attacker then emulates the card and makes withdrawals or payments from victim's account. Enlarge (credit: d3sign) Newly discovered Android malware steals payment card data using an infected device’s NFC reader and rela.....»»
Yeast meiosis study finds temperature changes result in shorter meiotic chromosome axes and more crossovers
In a study of meiosis in budding yeast, a research team found that yeast senses temperature changes by increasing the level of DNA negative supercoils to increase crossovers and modulate chromosome organization during meiosis......»»
Ultra-sensitive photothermal microscopy technique detects single nanoparticles as small as 5 nm
The detection of individual particles and molecules has opened new horizons in analytical chemistry, cellular imaging, nanomaterials, and biomedical diagnostics. Traditional single-molecule detection methods rely heavily on fluorescence techniques, w.....»»
Exploring bamboo charcoal"s slow-release properties for enhanced anti-acne formulations containing bamboo vinegar
Bamboo vinegar is a concentrated liquid obtained from bamboo under high temperature and anaerobic conditions. It contains more than 200 organic components, including organic acids, phenols, ketones, alcohols, and esters, among which acetic acid is th.....»»
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......»»
Researchers demonstrate metasurfaces that control thermal radiation in unprecedented ways
Researchers with the Advanced Science Research Center at the CUNY Graduate Center (CUNY ASRC) have experimentally demonstrated that metasurfaces (two-dimensional materials structured at the nanoscale) can precisely control the optical properties of t.....»»
Breaking boundaries: The unexpected routes of minerals in crop growth
Imagine plants not just sipping nutrients dissolved in water, but actually munching on tiny mineral particles straight from the soil. A study sheds light on how wheat and lettuce aren't just passive feeders—they actively grab, transport, and utiliz.....»»
Novel technique allows malicious apps to escape iOS and Android guardrails
Web-based apps escape iOS "Walled Garden" and Android side-loading protections. Enlarge (credit: Getty Images) Phishers are using a novel technique to trick iOS and Android users into installing malicious apps that bypas.....»»