Relativistic mirror made of plasma at kilohertz repetition rate
Scientists at the LOA (Laboratoire d'Optique Appliquée) in France succeeded for the first time to drive at a thousand shots per second a so-called plasma mirror in the relativistic regime (i.e., with a laser-field so strong that it hurls the plasma-.....»»
Observations confirm plasma bubble origin of persistent radio emissions from fast radio bursts
Fast Radio Bursts (FRBs) are one of the most recent open mysteries of modern astrophysics. Within a few milliseconds, these powerful events release an immense amount of energy, among the highest observable in cosmic phenomena......»»
This 32-inch Samsung gaming monitor is down to $230 from $400
The 32-inch Samsung Odyssey G51c gaming monitor with QHD resolution and a 165Hz refresh rate is on sale from Best Buy for only $230, following a $170 discount......»»
Basketball legend credits Apple Watch"s persistence for making him see a heart doctor
It was only after repeated warnings of atrial fibrilliation from his Apple Watch that basketball legend Sean Elliott sought help and had essential treatment.Apple Watch health monitoringThe heart rate sensors in Apple Watch have previously helped peo.....»»
Basketball"s legend credits Apple Watch"s persistence for making him see a heart doctor
It was only after repeated warnings of atrial fibrilliation from his Apple Watch that basketball legend Sean Elliott sought help and had essential treatment.Apple Watch health monitoringThe heart rate sensors in Apple Watch have previously helped peo.....»»
Apple Watch owner credits device for saving his life with low heart rate feature
continues to be an essential product for everyone with its lifesaving health monitoring features. The latest story comes out of California, via KTLA’s Rich DeMuro, and it specifically shows how one invisible feature can lead to discovering an invi.....»»
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......»»
Rubin Observatory"s 3.5-meter secondary mirror installed
Vera C. Rubin Observatory's 3.5-meter secondary mirror has been installed on the Simonyi Survey Telescope on Cerro Pachón in Chile. The glass mirror—made by Corning Advanced Optics and polished by L3Harris Technologies—is the first permanent com.....»»
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......»»
Space hurricanes swirl in the Southern Hemisphere, mostly in summer
Space hurricanes are a recently discovered geomagnetic phenomenon in which plasma interacts with Earth's magnetosphere, the area of space dominated by Earth's magnetic field. Spiral arms of plasma, hundreds of kilometers long, stretch across the sky.....»»
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.....»»
Madison Symmetric Torus operates stable plasma at 10 times the Greenwald Limit
If net-positive fusion energy is to ever be achieved, density is key: the more atomic nuclei crashing into each other, the more efficient the reaction will be. Nearly 40 years ago, Martin Greenwald identified a density limit above which tokamak plasm.....»»
Gentex Q2 net income falls 21% on lower vehicle production
The mirror supplier said net income and revenue declined after a drop in light-vehicle production......»»
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.....»»
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.....»»
High-energy collision study reveals new insights into quark-gluon plasma
In high-energy physics, researchers have unveiled how high-energy partons lose energy in nucleus-nucleus collisions, an essential process in studying quark-gluon plasma (QGP). This finding could enhance our knowledge of the early universe moments aft.....»»
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.....»»
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.....»»