Optical superoscillation without side waves
Optical superoscillation refers to a wave packet that can oscillate locally in a frequency exceeding its highest Fourier component. This intriguing phenomenon enables production of extremely localized waves that can break the optical diffraction barr.....»»
Multifunctional phosphor developed for white LED lighting and optical thermometry
In the realm of lighting and temperature measurement, advancements in material science are paving the way for significant improvements in technology and safety. Traditional methods, which combine yellow phosphors with blue chips in LEDs, have limitat.....»»
Toyota has repair for Grand Highlander, Lexus TX after lengthy stop-sale
A costly and disruptive stop-sale to Toyota's large three-row crossovers is expected to end in late October after Toyota determined that modified side-curtain airbags will bring the vehicles back into compliance......»»
Unprecedented heat wave on the Tibetan plateau: Study highlights land-atmosphere interactions
Heat waves are generally thought to occur in hot, lowland regions—but what happens when extreme heat strikes the frigid, high-altitude Tibetan Plateau? Is the definition of a heat wave the same at 5,000 meters above sea level as it is in the plains.....»»
Scientists prove long-standing wave amplification theory
Physicists at the University of Southampton have tested and proven a 50-year-old theory for the first time using electro-magnetic waves. They have shown that the energy of waves can be increased by bouncing "twisted waves"—those with angular moment.....»»
Surf therapy connects people to water—ocean health depends on this "blue attunement"
As a lifelong surfer, born to pioneering surfing parents and named after a wave, the ocean has shaped my identity and sense of belonging. The movement and touch of ocean waves ignites a whole cascade of changes in emotions in me and affects how I sen.....»»
Alien Spaceships Could Be Detected Using Gravitational Waves
The concept of space-time makes Star Trek-style warp drives theoretically possible, and researchers have proposed a way of detecting their use......»»
This incredible laptop does something the MacBook Air never could
The Apple MacBook Air M3 is a great 13-inch laptop with a lot going for it, including exceptional battery life. The Asus ProArt PX13 has speed on its side......»»
Looters ransack UPS truck after viaduct collision on Chicago"s Southwest Side
Looters ransack UPS truck after viaduct collision on Chicago"s Southwest Side.....»»
Found: 280 Android apps that use OCR to steal cryptocurrency credentials
Optical Character Recognition converts passwords shown in images to machine-readable text. Enlarge (credit: Getty Images) Researchers have discovered more than 280 malicious apps for Android that use optical character re.....»»
Solving the side effect problem of siRNA drugs for genetic disease treatment
Small interfering RNA (siRNA) drugs are a class of therapeutic agents that silence specific genes associated with inherited diseases. However, siRNA drugs have challenges because siRNAs often silence genes other than the target ones, causing side eff.....»»
Improved method for phonon lasers "locks" sound waves into a more stable and powerful state
Scientists have made a significant leap in developing lasers that use sound waves instead of light. These phonon lasers hold promise for advancements in medical imaging, deep-sea exploration, and other areas......»»
Plasmonic modulators could enable high-capacity space communication
Researchers have achieved data rates as high as 424Gbit/s across a 53-km turbulent free-space optical link using plasmonic modulators—devices that use special light waves called surface plasmon polaritons to control and change optical signals. The.....»»
Gravitational waves unveil previously unseen properties of neutron stars
A better understanding of the inner workings of neutron stars will lead to a greater knowledge of the dynamics that underpin the workings of the universe and also could help drive future technology, said the University of Illinois Urbana-Champaign ph.....»»
Eclipses create atmospheric gravity waves, student teams confirm
Student teams from three U.S. universities became the first to measure what scientists have long predicted: eclipses can generate ripples in Earth's atmosphere called atmospheric gravity waves. The waves' telltale signature emerged in data captured d.....»»
Unraveling the evolutionary secrets of how whales and dolphins adapted their backbones for aquatic life
If you've ever seen a dolphin swim, you may have wondered why they undulate their bodies up and down when swimming, instead of side to side as fishes do. Though they have a fishlike body, cetaceans (a group comprised of whales, dolphins, and porpoise.....»»
Ukrainian drones now spray 2,500° C thermite streams right into Russian trenches
Mechanical dragons now deliver fire on command. Enlarge Wars of necessity spawn weapons innovation as each side tries to counter the other's tactics and punch through defenses. For instance—as the Russian invasion of.....»»
Heat waves and droughts cause billions of dollars in global economic losses, research finds
Severe weather costs the global economy billions of dollars a year, highlighting the costs of climate change and the value of mitigating extreme weather, according to a new analysis of weather and economic data......»»
Beyond point-to-point triangulation: Dynamic 3D imaging under global illumination
As the "eyes of industry," 3D measurement technology provides comprehensive, accurate, and reliable 3D information for high-end precision manufacturing. Optical measurement methods, such as structured light projection, have been widely adopted in var.....»»
Scientists demonstrate octave-spanning soliton frequency combs on thin-film lithium niobate
The invention of optical frequency combs revolutionized frequency metrology and time-keeping. Miniaturization of such combs onto photonic chips, primarily leveraging the microresonator Kerr soliton frequency comb, expands on these functionalities by.....»»
Windows ARM PCs struggle to run games, and Apple may now have an advantage
Just like Apple did in 2020, many other PC makers are also trying to switch from Intel processors to ARM chips in order to improve performance and energy efficiency. However, while this transition has been smooth on Apple’s side, things are complic.....»»