Near-zero-dispersion soliton and broadband modulational instability Kerr microcombs in anomalous dispersion
Microresonators based frequency combs, microcombs, have attracted huge interest in the last decades for their revolutionary performance of compact size, flexible comb spacing, and broad bandwidth. Wide applications of microcombs including optical fre.....»»
Value of experienced CEO fades when working in regions vulnerable to corruption, political instability
Apparently, experience is not always a good thing. In fact, for CEOs of small and medium-sized enterprises, it can eventually prove to be a liability......»»
Using Einstein"s tea leaf paradox to study nanofluids
Stirring can allow the dispersion of substances evenly in liquid. Einstein's tea leaf paradox is a concept that shows how tea leaves can concentrate in a doughnut shape through a secondary flow effect during stirring. In a new study published in Scie.....»»
FCC to reintroduce rules protecting net neutrality
The US government aims to restore sweeping regulations for high-speed internet providers, such as AT&T, Comcast and Verizon, reviving "net neutrality" rules for the broadband industry -- and an ongoing debate about the internet's future......»»
Chromosomal instability in cancer cells causes DNA damage and promotes invasiveness: Study
Chromosomal instability is a phenomenon characterized by rapid changes in the number and structure of chromosomes during cell division. It is very common in solid tumors and it is linked to the aggressive spread of cancer, that is to say, metastasis......»»
Machine learning algorithms can find anomalous needles in cosmic haystacks
The face of astronomy is changing. Though narrow-field point-and-shoot astronomy still matters (JWST anyone?), large wide-field surveys promise to be the powerhouses of discovery in the coming decades, especially with the advent of machine learning......»»
Composite 2D materials for fiber lasers show promise for ultrafast optics applications
The formation of dissipative solitons is influenced by several factors, such as spectral filtering effects and Kerr nonlinear effects. This interaction leads to the possibility of mode locking over a wide range of parameters, generating pulses whose.....»»
"Monstrous births" and the making of race in the nineteenth-century United States
From the Middle Ages to the Enlightenment, "monstrous births"—malformed or anomalous fetuses—were, to Western medicine, an object of superstition. In 19th-century America, they became instead an object of the "modern scientific study of monstrosi.....»»
US broadband grant rules shut out small ISPs and municipalities, advocates say
Upfront grant costs are "too steep for all but the best-funded ISPs," groups claim. Enlarge (credit: Getty Images | Andrey Denisyuk) The biggest Internet service providers will dominate a $42.45 billion broadband grant p.....»»
Pentagon unveils new website for reporting (and learning about) UFOs
The Pentagon has opened up a new portal for professionals to submit reports about UFOs—now officially known as unidentified anomalous phenomena, or UAPs—and for the rest of us to find out about the reports that have been released......»»
Researchers reveal statistical properties of dispersion measure, waiting time on repeating fast radio burst
Repeating fast radio bursts (FRBs) are mysterious radio transient sources in the universe that emit a repeating radio pulse lasting for a few milliseconds. Plasma lensing is the cold, non-magnetized, and inhomogeneous plasma cloud in cosmic space, wh.....»»
Brighter comb lasers on a chip mean new applications
Researchers have shown that dissipative Kerr solitons (DKSs) can be used to create chip-based optical frequency combs with enough output power for use in optical atomic clocks and other practical applications. The advance could lead to chip-based ins.....»»
Oceanic waves represent fundamental challenges in nonlinear science, say mathematicians
The instability of Stokes waves (steady propagating waves on the surface of an ideal fluid with infinite depth) represents a fundamental challenge in the realm of nonlinear science. A team of researchers recently identified the origin of breaking oce.....»»
New Relic enhances its AIOps capabilities with recommended alerts
New Relic has further enhanced its AIOps capabilities with recommended alerts. This provides the ability to detect and resolve alert coverage gaps by using AI to identify anomalous behavior, determine areas of the technology stack that aren’t being.....»»
Study: Pandemic gains in broadband access for rural students are fading
A new study from Michigan State University warns that gains made to address broadband and internet connectivity in Michigan rural communities are beginning to fade......»»
Study discovers tunable van Hove singularity without structural instability
A team led by Prof. He Junfeng from University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS), together with domestic and international collaborators, discovered that the energy level of the van Hove singularity (V.....»»
Quantum question about the anomalous Hall effect answered
A mysterious magnetic effect that causes the path that electrons take through a material to bend—called the anomalous Hall effect—has been elucidated in a new mathematical analysis by two RIKEN physicists. Their work has been published in the jou.....»»
ISPs complain that listing every fee is too hard, urge FCC to scrap new rule
Broadband industry fights requirement to "list all recurring monthly fees." Enlarge (credit: Getty Images | anyaberkut) The US broadband industry is united in opposition to a requirement that Internet service providers l.....»»
Key instability theory to reduce rock burst risks and enhance coal mine safety
Rock bursts, commonly associated with coal mining activities, involve the abrupt release of elastic energy from rock masses. Recognized as a major challenge in mining engineering and rock mechanics worldwide, they can lead to the destruction of under.....»»
Muon g-2 experiment result represents world"s most precise measurement yet of the anomalous magnetic moment of the muon
The Muon g-2 collaboration has announced their much-anticipated updated measurement. The new result aligns with the collaboration's first result, announced in 2021—and it's twice as precise. In fact, it's the most precise measurement ever made usin.....»»
A novel method uses gravity data to determine where density anomalies lie inside planetary bodies
Getting to know planets or moons inside out isn't easy. Like Earth and its moon, many celestial bodies are multilayered and can contain anomalous internal features that reflect the complex history of their formation, collisions with other bodies, and.....»»