Angle-dependent holograms made possible by metasurfaces
Recently, a research team from Pohang University of Science and Technology (POSTECH) has employed metasurfaces to fabricate angle-dependent holograms with multiple functions. This technology allows holograms to display multiple images based on the ob.....»»
New SMB-friendly subscription tier may be too late to stop VMware migrations
Broadcom acquisition was a "wake-up call" for VMware-dependent SMBs. Broadcom has a new subscription tier for VMware virtualization software that may appease some disgruntled VMw.....»»
iPhone 18 Pro rumored to gain a variable aperture wide-angle lens
In a major update to the camera system, analyst Ming-Chi Kuo says the iPhone 18 Pro's wide angle lens will be upgraded to have a variable aperture.Apple may update the iPhone's wide-angle lens to give it a variable apertureRumors concerning the camer.....»»
Locally optimized urban form can reduce carbon dioxide emissions
Research suggests that urban areas could reduce their carbon dioxide (CO2) emissions by optimizing their urban form. However, the relationship between urban form and emissions is highly context-dependent and generalizations cannot be made......»»
Revealing the superconducting limit of twisted bilayer graphene
Graphene is a simple material containing only a single layer of carbon atoms, but when two sheets of it are stacked together and offset at a slight angle, this twisted bilayer material produces numerous intriguing effects, notably superconductivity......»»
Record-breaking Saharan dust events hit Spain between 2020 and 2022, study confirms
A study by the Spanish National Research Council (CSIC), an agency dependent on the Ministry of Science, Innovation and Universities of Spain, concludes that the most intense Saharan dust events ever recorded in the air quality monitoring networks of.....»»
After seeing hundreds of launches, SpaceX’s rocket catch was a new thrill
For a few moments, my viewing angle made it look like the rocket was coming right at me. BOCA CHICA BEACH, Texas—I've taken some time to process what happened on the mudflats of.....»»
Silicon metasurfaces unlock broad-spectrum infrared imaging
Infrared imaging technology is crucial for advancing our understanding of the world, from exploring biological specimens to inspecting complex materials and detecting hidden patterns in physical systems......»»
Research team creates hybrid resonant metasurfaces with configurable structural colors
"Color is crucial," as pop artist Roy Lichtenstein famously said, but the significance of color extends far beyond art. From the creation of Prussian blue—the first synthetic pigment—to quantum dots in modern display technology, colors and their.....»»
Yes, nature is complex—but saving our precious environment means finding ways to measure it
Nature loss directly threatens half the global economy. The rapid destruction of biodiversity should alarm the many Australian businesses dependent on nature, such as those in agriculture, tourism, construction and food manufacturing. Yet nature cons.....»»
Taiwan Makes the Majority of the World’s Computer Chips. Now It’s Running Out of Electricity
Highly dependent on imported fossil fuels, soon to shutter its last nuclear plant, and slow to build out renewables, the world’s largest producer of advanced computer chips is heading toward an energy crunch......»»
Scientists uncover light absorbing properties of achiral materials
Researchers at the University of Ottawa have made a discovery that changes what we know about light and materials. They found that engineered achiral (symmetric) materials, called achiral plasmonic metasurfaces, can absorb light differently depending.....»»
U.S. locks in steep tariff hikes on Chinese EVs, other raw minerals
The final decision largely disregarded pleas from automakers for lower tariffs on graphite and critical minerals used in EV battery production because they are still dependent on Chinese supplies......»»
Smartphone-based microscope rapidly reconstructs 3D holograms
Researchers have developed a new smartphone-based digital holographic microscope that enables precision 3D measurements. The highly portable and inexpensive microscope could help bring 3D measurement capabilities to a broader range of applications, i.....»»
The iPhone 16 event surprises that left me frustrated
An Apple event is always full of potential. Even though rumors and leaks tend to leave very little ‘new’ remaining for event day, Apple still tends to offer some surprises. Maybe a new feature that no one knew about. Or a unique angle that a rumo.....»»
Samsung could show the Galaxy S25 Ultra’s ultrawide angle camera some love
According to the latest rumors, the Samsung Galaxy S25 Ultra’s ultrawide angle camera could get an upgrade next year. --- The post Samsung could show the Galaxy S25 Ultra’s ultrawide angle camera some love appeared first on Phandroid......»»
Physicists capture first thickness-dependent transitions in two-dimensional magnetic material
A team of physicists from The University of Hong Kong (HKU), Texas Tech University (TTH), and the University of Michigan (UMich), has made an important discovery in the study of van der Waals (vdW) magnetic materials, a special class of materials wit.....»»
Metasurfaces: Tiny tech with big potential
Imagine manipulating light with ultra-thin, flat sheets instead of bulky lenses and mirrors. That's the promise of metasurfaces, a nanostructure technology that can twist and bend light in ways never before possible......»»
Study: Giant ultrafast dichroism and birefringence with active nonlocal metasurfaces
The fine and efficient control of the properties of light at ultrafast speed down to the picosecond timescale is a challenging task, crucial for many scientific applications and technologies. For instance, in free-space optical links, manipulating on.....»»
You Asked: TV calibrations, off-angle viewing — and burn-in
On today’s episode of You Asked: Lots of questions about calibration. And lots of questions about the off-angle performance of the LG C4 and the Bravia 9......»»
Spin-controlled generation of a complete polarization set with randomly interleaved plasmonic metasurfaces
Optical metasurfaces are finely crafted two-dimensional artificial nanostructures composed of meticulously designed arrays of ultrathin artificial atoms. These surfaces possess capabilities beyond natural materials, enabling multifunctional control o.....»»