Laser spectrometer precisely monitors atmospheric N2O and CO
Nitrous oxide (N2O) and carbon monoxide (CO) are important drivers in global warming. However, there are many difficulties in reliable monitoring, especially for N2O, as the concentration of N2O in atmospheric is only a few hundred parts per billion......»»
Understanding the northward movement of the subtropical westerly jet in changing climates
The subtropical westerly jet is a high-altitude, fast-moving air current that flows from west to east in the subtropical region of the Earth's atmosphere. It's an important part of atmospheric circulation, influencing weather patterns and climate con.....»»
Electro-optic 3D snapshot of a laser wakefield accelerated kilo-ampere electron bunch
Invented by T. Tajima and J. Dawson, laser wakefield acceleration (LWFA) harnesses the power of high-intensity laser pulses to drive plasma waves with acceleration gradients orders of magnitude higher than conventional RF-based accelerators......»»
Scientists help link climate change to Madagascar"s megadrought
A University of California, Irvine-led team reveals a clear link between human-driven climate change and the years-long drought currently gripping southern Madagascar. Their study appears in npj Climate and Atmospheric Science......»»
Unveiling the hidden threat: Drought-induced inelastic subsidence in expansive soils
A journal article published by University of Houston Department of Earth and Atmospheric Sciences researchers highlights a significant, yet often overlooked, environmental concern—permanent losses in land surface elevation due to inelastic compacti.....»»
Study identifies atmospheric and economic drivers of global air pollution
Carbon monoxide emissions from industrial production have serious consequences for human health and are a strong indicator of overall air pollution levels. Many countries aim to reduce their emissions, but they cannot control air flows originating in.....»»
Microprinting millions of microparticles in the blink of an eye through multi-photon 3D laser printing
Multi-photon 3D laser printing has revolutionized miniature fabrication, but limitations in speed and material compatibility have held it back. Now, researchers have taken a giant leap forward, achieving a tenfold increase in print speed while maint.....»»
Bitdefender Digital Identity Protection guards against web data leaks
Bitdefender has enhanced Bitdefender Digital Identity Protection, a service that monitors personal data in real-time by proactively scanning the internet including public sites, dark web, and underground forums for unauthorized leaks and data breache.....»»
Inkjet vs. laser: What’s the difference, and which is best?
Ready to buy a new printer for your home or office but unsure if you need an inkjet or a laser? We'll help you buy the right printer for your needs......»»
Heat-trapping carbon dioxide and methane levels in the air last year spiked to record highs again
The levels of the crucial heat-trapping gases in the atmosphere reached historic highs last year, growing at near-record fast paces, according to the U.S. National Oceanic and Atmospheric Administration......»»
NASA to launch three sounding rockets during solar eclipse
Three Black Brant IX sounding rockets for the Atmospheric Perturbations around Eclipse Path (APEP) mission are scheduled to launch from NASA's Wallops Flight Facility launch range in Virginia. The launch window opens April 8, 2024, at 2:40 p.m. EDT......»»
Team develops portable swept-source Raman spectrometer for chemical and biomedical applications
In 1928, Indian physicist Sir C. V. Raman and his colleague K. S. Krishnan discovered that when light interacts with matter, parts of the scattered light undergo changes in energy due to interaction with molecular vibrations, resulting in what is kno.....»»
Researchers envision sci-fi worlds involving changes to atmospheric water cycle
Human activity is changing the way water flows between the Earth and atmosphere in complex ways and with likely long-lasting consequences that are hard to picture......»»
Surface emitting semiconductor laser achieves efficiency breakthrough
Since its inception, the power conversion efficiency (PCE) of edge-emitting laser (EEL) technology has been continuously breaking records, achieving a historically high efficiency of 85% at -50°C in 2006. Following this, in 2007, EEL also reached a.....»»
Apple wants to bring Spatial Computing to regular monitors
Amplifying work and media it has developed for the Apple Vision Pro headset, Apple is developing technology so your MacBook Pro or desktop monitor can display 3D environments without special glasses.Detail from the patent showing different perspectiv.....»»
Focusing ultra-intense lasers to a single wavelength
Ultra-intense ultrashort lasers are powerful tools used in various fields like physics, national security, industry, and health care. They help researchers delve into strong-field laser physics, laser-driven radiation sources, particle acceleration,.....»»
Researchers use smartphone screen to create 3D layered holographic images
Researchers have developed a 3D full-color display method that uses a smartphone screen rather than a laser to create holographic images. With further development, the new approach could be useful for augmented or virtual reality displays......»»
Future Apple devices may precisely track your gestures using radar
You may soon be able to wave your hands or draw with a stylus in mid-air with these gestures then controlling everything from your Mac to an office whiteboard, thanks to radar.A radar-based tracking system would allow for new types of tracking.A new.....»»
Can savanna emerge in the cold high latitudes and altitudes due to ongoing rapid warming?
Recent studies have shown that rising atmospheric CO2 concentrations and consequential warming may compromise the community structure and functioning of the cold tundra ecosystems. However, in addition to carbon uptake, natural vegetation—particula.....»»
Old crystal, new story for enhancing deep ultraviolet laser performance
In the realm of science and technology, harnessing coherent light sources in the deep ultraviolet (DUV) region holds immense significance across various applications such as lithography, defect inspection, metrology, and spectroscopy. Traditionally,.....»»
Tropical cyclones may be an unlikely ally in the battle against ocean hypoxia
Tropical cyclones, also known as hurricanes and typhoons, are meteorological phenomena that occur over tropical and subtropical oceans experiencing low atmospheric pressure, where water vapor from the warm oceans condenses to produce spiraling cloud.....»»