THz–fingerprint vibrational spectroscopy at an ultrafast spectral rate
Raman spectroscopy offers a powerful approach to chemical measurement. By directly probing molecular vibrations, it obtains chemical specificity without the need for chemical labels. Thanks to these virtues, it has become an indispensable tool in a d.....»»
Ultrafast electron microscopy technique advances understanding of processes applicable to brain-like computing
Today's supercomputers consume vast amounts of energy, equivalent to the power usage of thousands of homes. In response, researchers are developing a more energy-efficient form of next-generation supercomputing that leverages artificial neural networ.....»»
AMD’s new feature doubled my frame rate with a single click
AMD has a new feature for its graphics cards called AFMF 2, and after taking it out for a spin, I'm shocked by the quality......»»
This UltraGear gaming monitor is down to $150 with this Walmart deal
The 27-inch LG UltraGear FHD gaming monitor with a 165Hz refresh rate is already pretty cheap, but Walmart's discount makes it even more affordable at $150......»»
First full 2-D spectral image of aurora borealis from a hyperspectral camera
Auroras are natural luminous phenomena caused by the interaction of electrons falling from the sky and the upper atmosphere. Most of the observed light consists of emission lines of neutral or ionized nitrogen and oxygen atoms and molecular emission.....»»
Scientists find a human "fingerprint" in the upper troposphere"s increasing ozone
Ozone can be an agent of good or harm, depending on where you find it in the atmosphere. Way up in the stratosphere, the colorless gas shields the Earth from the sun's harsh ultraviolet rays. But closer to the ground, ozone is a harmful air pollutant.....»»
Federal Reserve leaves interest rates unchanged again
The Federal Reserve opted against changing its benchmark rate during its July meeting, attempting to restrict future inflation for consumers but leaving them receiving higher interest rates than they might like on financed purchases like vehicles......»»
Nanoscale imaging provides insights into 2D and phase-change materials
Researchers from the University of California, Berkeley have developed cutting-edge nanoscale optical imaging techniques to provide unprecedented insights into the ultrafast carrier dynamics in advanced materials......»»
I studied ShotSpotter in Chicago and Kansas City—here"s what people using this technology should know
Like many large cities in the U.S., Detroit's gun violence rate has fluctuated since the COVID-19 pandemic and the unrest after the murder of George Floyd in 2020. The city's murder rate increased nearly 20% that year, meaning the city had the second.....»»
Security Bite: X quietly adds option to keep its third-rate AI product Grok from scraping your posts and interactions
Heads up! Elon Musk’s social platform X (formerly Twitter) has quietly added an opt-out toggle to keep its AI chatbot Grok from data scraping your posts, as well as any interactions you have with it. The setting to allow data for training is enable.....»»
Raman spectroscopy offers new insights into ionic liquid acidity
Researchers at the University of Liège have for the first time determined the acidity of ionic liquids using Raman spectroscopy, thanks to Hammett acidity functions. This advance promises to revolutionize our understanding and use of these organic s.....»»
X quietly adds option to keep its third-rate AI product Grok from scraping your posts and interactions
Heads up! Without notice, Elon Musk’s social platform X (formerly Twitter) has quietly added an opt-out toggle to keep its AI chatbot Grok from scraping your posts, as well as any interactions you have with it. The setting to allow data for trainin.....»»
Confined water gets electric: Study reveals dielectric response of water in nanopores
When water gets inside nanopores with sizes below 10 nanometers, new physics emerge: new phases of ice were observed and ultrafast proton transport was measured. Confined water also plays a role in biology, where aquaporins cross cellular membranes t.....»»
Deals: M4 iPad Pro Wi-Fi + Cell all-time low, MagSafe chargers, HomePod, more
Today’s deals are headlined by the latest M4 pro-grade Apple tablets with the 13-inch entry-level model joining a new low on the Wi-Fi + Cell variant at $110 off the going rate. Next, we have a new Amazon low Belkin’s 2-in-1 BoostCharge Pro MagSa.....»»
Sustainable management and regeneration of endangered Senegalia venosa needed in Ethiopia, says study
A research team has identified the distribution and regeneration status of the endangered Senegalia venosa in Tigray and Gonder drylands. They found it has a poor regeneration rate due to factors like charcoal production and grazing......»»
In China, property rights take wrong turn
China's economy, long an engine of world growth, has been sputtering lately. During the second quarter of 2024, it grew at an annual rate of 4.7%—down from an average 7% a year during the past decade. For the next two years, the International Monet.....»»
Nanoscale trilayer exhibits ultrafast charge transfer in semiconductor materials
Successfully innovating optoelectronic semiconductor devices depends a lot on moving charges and excitons—electron-hole pairs—in specified directions for the purpose of creating fuels or electricity......»»
Strategy enhances breakdown strength and polarization in dielectric nanocomposites
Electrostatic capacitors are a key component in high-power pulse equipment, power transmission and transformation engineering, new energy vehicles, and 5G communication. Their capability for ultrafast charging-discharging and ultrahigh power density.....»»
Forest monitoring reveals self-cleansing effect of radiocesium in ecosystem after Fukushima Daiichi plant accident
A forest monitoring survey conducted more than 13 years after the Fukushima Daiichi Nuclear Power Plant accident has revealed that the natural downward migration of radiocesium in soil exhibits a decontamination effect that reduces the air dose rate.....»»
High-speed camera for molecules: Entangled photons enable Raman spectroscopy
In recent years, two cutting-edge technologies have rapidly gained momentum: quantum entangled light sources and ultrafast stimulated Raman spectroscopy......»»
Small steps for electrons—big steps for the future? Ultrafast microscope reveals electron pathways in solar cells
In the search for more efficient and sustainable energy generation methods, a class of materials called metal halide perovskites have shown great promise. In the few years since their discovery, novel solar cells based on these materials have already.....»»