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.....»»
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.....»»
Complete-basis-reprogrammable coding metasurface for generating dynamically-controlled holograms
An article in Opto-Electronic Advances, discusses complete-basis-reprogrammable coding metasurface for generating dynamically-controlled holograms under arbitrary polarization states......»»
Study finds flexibility and helical twists of actin filaments regulate actin-binding proteins
Researchers at Kanazawa University have published an article in eLife deciphering the actin structure-dependent preferential cooperative binding of cofilin......»»
Daily 5 report for Aug. 27: How dealers adapted during the CDK outage
Reporter Paige Hodder shows how dealers adapted and the lessons they learned from the CDK cyberattack crisis. One big message: Don't get too dependent on technology......»»
Researchers demonstrate metasurfaces that control thermal radiation in unprecedented ways
Researchers with the Advanced Science Research Center at the CUNY Graduate Center (CUNY ASRC) have experimentally demonstrated that metasurfaces (two-dimensional materials structured at the nanoscale) can precisely control the optical properties of t.....»»
Low-cost flexible metasurfaces to increase the efficiency of optoelectronic devices
Metasurfaces are two-dimensional counterparts of metamaterials, which are artificial materials that possess unusual characteristics. With a variety of fascinatingly innovative and diverse uses, these specially-prepared surfaces with engineered patter.....»»
World"s first micromachine twists 2D materials at will
Just a few years ago, researchers discovered that changing the angle between two layers of graphene, an atom-thick sheet of carbon, also changed the material's electronic and optical properties. They then learned that a "twist" of 1.1 degrees—dubbe.....»»
Researchers observe Floquet states in colloidal nanoplatelets driven by visible pulses
Solution-processed semiconductor nanocrystals are also called colloidal quantum dots (QDs). While the concept of size-dependent quantum effects had long been known to physicists, a sculpture of the theory into real nanodimensional objects remained im.....»»
The new Ring Battery Doorbell streamlines installation, enhances viewing angle
The Ring Battery Doorbell is making big changes to the video doorbell installation process, while also offering a huge upgrade to viewing angle......»»
Flow of sweetness: Key sugar transporters identified for enhanced camellia seed growth
Seed development is crucial for plant reproduction and crop yield, largely dependent on efficient sugar transport and metabolism. In many plants, the detailed mechanisms of sugar import remain unclear, despite extensive research on model species......»»
"Baby talk:" Decoding how children"s vocal and cognitive cues sway adults
Compared to other mammals, human children are dependent on their caregivers for a remarkably long time. Throughout the ages, they have developed "psychological tactics" to endear themselves to adults and thus enhance their chances of survival. This p.....»»
Subaru production, profits undercut in latest quarter by fatal plant accident in Japan
The export-dependent carmaker still managed to eke out a profit thanks to hefty windfall gains from favorable foreign currency fluctuations......»»
Streetlights running all night makes leaves so tough that insects can"t eat them, threatening the food chain
Light pollution disrupts circadian rhythms and ecosystems worldwide—but for plants, dependent on light for photosynthesis, its effects could be profound. Now scientists writing in Frontiers in Plant Science have found that exposure to high levels o.....»»