Influence of a black hole"s spin: First evidence of precession in ultraluminous accretion disks
Gas swirls around a black hole due to its intense gravity, forming an accretion disk. These accretion disks, being among the most efficient energy conversion mechanisms in the universe, emit light and plasma jets. When a black hole spins on its axis,.....»»
Deals: M3/Pro MacBook Pro up to $700 off, iPhone 15 Pro up to $450 off, Apple Watch Series 10, Find My gear, more
Alongside the return of Black Friday pricing on Apple Watch Series 10 configurations starting from $330 with Christmas delivery, we are tracking some serious clearance pricing on M3 and M3 Pro MacBook Pro models. For today only, Best Buy is now offer.....»»
New congressional report: “COVID-19 most likely emerged from a laboratory”
A textbook example of shifting the standards of evidence to suit its authors' needs. Recently, Congress' Select Subcommittee on the Coronavirus Pandemic released its final report......»»
Astronomers discover magnetic loops around supermassive black hole
NGC 1068 is a well-known, relatively nearby, bright galaxy with a supermassive black hole at its center. Despite its status as a popular target for astronomers, however, its accretion disk is obscured by thick clouds of dust and gas. A few light-year.....»»
Tuning skyrmion helicity for racetrack memory and quantum computing applications
Three distinct topological degrees of freedom are used to define all topological spin textures based on out-of-plane and in-plane spin configurations: the topological charge, representing the number of times the magnetization vector m wraps around th.....»»
US moves to save once-common monarch butterflies from extinction
The United States is moving to grant federal protection to the monarch butterfly—a once-common species recognizable by its striking black and orange patterns that has faced a dramatic population decline in recent decades......»»
Chandra sees black hole jet stumble into something in the dark
Even matter ejected by black holes can run into objects in the dark. Using NASA's Chandra X-ray Observatory, astronomers have found an unusual mark from a giant black hole's powerful jet striking an unidentified object in its path......»»
Cosmic rays" vast energy traced to magnetic turbulence
Ultra-high energy cosmic rays, which emerge in extreme astrophysical environments—like the roiling environments near black holes and neutron stars—have far more energy than the energetic particles that emerge from our sun. In fact, the particles.....»»
Fashion police dictated gender norms in early modern Genoa, historian finds
While fashion magazines and social media strongly influence how people dress today, there were literally fashion police in most early modern European cities, according to art history scholar Ana Cristina Howie, with local laws dictating—down to the.....»»
This little retro gaming monitor is seriously adorable
This retro-style gaming monitor is both ridiculous and amazing at the same time -- and it even lets you play any game you want in black-and-white......»»
Netflix’s most popular show right now is this dark 2024 spy thriller
There's a new No. 1 action thriller on Netflix, and we're sharing four reasons to watch Black Doves in December......»»
Here are all of the ways Samsung’s One UI 7 update copies iOS [Gallery]
Samsung’s One UI 7 update is huge and, for the most part, pretty good, but there’s some clear influence throughout as Samsung has seemingly been trying to replicate a bunch of features and design traits from iOS. Here’s a list of all of the way.....»»
Deals: Most affordable 13-inch M4 iPad Pro $200 off, M2 iPad Air from $499, official Apple Watch band, more
Joining ongoing all-time lows on just about all Apple Watch Series 10 configurations, today we are looking over at the 2024 iPad lineup with the return of Black Friday pricing. The most affordable M2 iPad Air is now once again $100 off while the more.....»»
Black Ops 6’s Zombies Easter egg hunt is taking me back in time
Call of Duty: Black Ops 6's Zombies mode isn't just a great return to form; it's a time machine......»»
These are the best discounts on Apple"s MacBook Air for holiday gift-giving
Apple resellers are providing discounts on the ultraportable MacBook Air as holiday shipping deadlines loom, with post-Black Friday sales already resulting in substantial savings of up to $200 off.Best holiday deals on Apple's MacBook Air - Image cre.....»»
A microRNA solves an evolutionary mystery of butterfly and moth wing coloration
Lepidopterans (butterflies and moths) exhibit a splendid diversity of wing color patterns, and many species display black and white, or dark and bright, wing color pattern variants associated with the presence and absence of melanin. Many of these wi.....»»
Getting to the bottom of things: Latrine findings help researchers trace movement of people and disease
A McMaster researcher has uncovered evidence of intestinal parasites in a 500-year-old latrine from Bruges, Belgium, and while the finding may induce queasiness in some, it is expected to provide important scientific evidence on how infectious diseas.....»»
Capture all the action with the GoPro HERO12 Black — $150 off today at Amazon
Amazon is offering the GoPro HERO12 Black action camera at a nice discount today. You can capture the action of your favorite moments for less......»»
Feral female buffalo build friendships based on similar personality traits, study reveals
Similar social personalities strongly influence friendships in humans, yet we know relatively little about how animals choose their friends. But a new study by researchers at City University of Hong Kong (CityUHK) investigating a unique free-ranging.....»»
Experiments provide evidence that interaction of light with a hydrocarbon molecule produces strained molecular rings
When molecules interact with ultraviolet (UV) light, they can change shape quickly, producing strain—stress in a molecule's chemical structure due to an increase in the molecule's internal energy. These processes typically take just tens of picosec.....»»
Soon, the tech behind ChatGPT may help drone operators decide which enemies to kill
OpenAI and Palmer Luckey's weapons company sign agreement to explore lethal drone defense for military use. As the AI industry grows in size and influence, the companies involved.....»»