We now know why black hole jets make high-energy radiation
New data decisively favors shockwave-generated radiation in the jets. Enlarge / The jets of material ejected from around black holes can be enormous. (credit: NASA, ESA) Active galactic nuclei, powered by the supermassiv.....»»
Dark energy "doesn"t exist" so can"t be pushing "lumpy" universe apart, physicists say
One of the biggest mysteries in science—dark energy—doesn't actually exist, according to researchers looking to solve the riddle of how the universe is expanding......»»
Latest gravitational wave observations conflict with expectations from stellar models
Almost 300 binary mergers have been detected so far, indicated by their passing gravitational waves. These measurements from the world's gravitational wave observatories put constraints on the masses and spins of the merging objects such as black hol.....»»
Compact on-chip polarimeter measures light polarization with high accuracy
Reliably measuring the polarization state of light is crucial for various technological applications, ranging from optical communication to biomedical imaging. Yet conventional polarimeters are made of bulky components, which makes them difficult to.....»»
Your black plastic kitchen utensils aren"t so toxic after all: But you should still toss them, group says
A recent study that recommended toxic chemicals in black plastic products be immediately thrown away included a math error that significantly overstated the risks of contamination, but its authors are standing by their conclusions and warn against us.....»»
DEAL: GoPro HERO13 Black gets a MASSIVE 25% discount!
It’s holiday season and if you’re looking for a camera to take with you on your travels, don’t miss this deal for the GoPro HERO13 Black! The post DEAL: GoPro HERO13 Black gets a MASSIVE 25% discount! appeared first on Phandroid. If.....»»
Why cybersecurity is critical to energy modernization
In this Help Net Security interview, Anjos Nijk, Managing Director of the European Network for Cyber security (ENCS), discusses cybersecurity in the energy sector as it modernizes with renewable sources and smart grid technologies. Nijk also addresse.....»»
Most precise measurement of electrically neutral beauty meson lifetime achieved
The ATLAS collaboration at the Large Hadron Collider (LHC) has released a new high-precision measurement of the lifetime of the electrically neutral beauty (B0) meson—a hadron composed of a bottom antiquark and a down quark......»»
This “premium performance” Sony TV has a $700 discount today
With its high brightness, rich colors, and great motion performance, it’s hard to argue with the Sony 65-inch X93L mini-LED TV, especially when it’s $700 off!.....»»
Apple Watch Ultra 3: Three new features are coming next year
Apple Watch Ultra, outside of a very nice new titanium black, hasn’t been meaningfully upgraded since 2023. But next year that’s going to change when the Apple Watch Ultra 3 arrives. Here are three new features coming to the Apple Watch Ultra 3 i.....»»
Amazon"s best $249 iPad 10th Generation deal is back
The all-time best price on Apple's iPad 10th Generation has returned, with an on-page coupon discounting the tablet to $249.99.Apple's iPad 10th Gen returns to all-time best price.Black Friday pricing has returned on Apple's iPad 10th Generation, wit.....»»
Journal that published faulty black plastic study removed from science index
Chemosphere cut from Web of Science, which calculates impact factors. The publisher of a high-profile, now-corrected study on black plastics has been removed from a critical index.....»»
Plasma heating efficiency in fusion devices boosted by metal screens
Heating plasma to the ultra-high temperatures needed for fusion reactions requires more than turning the dial on a thermostat. Scientists consider multiple methods, one of which involves injecting electromagnetic waves into the plasma, the same proce.....»»
How prepared are we for another pandemic? Study provides mathematical insights into airborne viral transmission
Half a decade on from the start of the COVID-19 pandemic, a study by the University of Surrey highlights the significant impact of combined public health measures in reducing airborne viral transmission. High-quality face masks were shown to reduce t.....»»
Apple’s Vision Pro strategy will succeed in creating a two-tier market – TrendForce
Apple’s Vision Pro strategy of launching a very high-end professional product first, and a more affordable consumer version second, is likely to prove successful in the long-run, predicts market intelligence company TrendForce. The company says.....»»
Solving renewable energy’s sticky storage problem
When the Sun doesn't shine and the wind is calm, humankind still needs power. When the Sun is blazing and the wind is blowing, Germany’s solar and wind power plants swing into h.....»»
Bleached reefs could sink fishing yields, study warns
What does a decline in healthy coral reefs mean for fisheries? A new study published in Marine Resource Economics, led by the Woods Hole Oceanographic Institution (WHOI), examines the correlation between fish yield and live coral habitats. Researcher.....»»
Prototype sunscreen uses TiO₂ nanoparticles to cool skin while blocking UV rays
Wearing sunscreen is important to protect your skin from the harmful effects of UV radiation but doesn't cool people off. However, a new formula, described in Nano Letters, protects against both UV light and heat from the sun using radiative cooling......»»
Molecular "pinball": Superfast collisions predict supercritical fluid properties
Neither gas nor liquid, supercritical fluids exhibit a unique mashup of the properties of both and arise when fluids are pushed to very high temperatures and pressures. Their properties make them ideal for a wide variety of chemical, pharmaceutical a.....»»
New strategies enhance stability of metal nanoparticles in green hydrogen production
Efficient and durable low-cost catalysts are essential for green hydrogen production and related chemical fuel production, both vital technologies for the transition to renewable energy. Research in this field increasingly focuses on metal exsolution.....»»
Novel MOF combines adsorption and dissolution for energy-efficient oxygen separation from argon
Efficient gas separation is vital in various industries, from medical applications to energy production. However, isolating oxygen from mixtures presents a significant technological challenge. Because many gases, including argon and oxygen, share sim.....»»