All articles tagged with #optics
NVIDIA and Corning announced a multiyear partnership to expand U.S.-based optical connectivity manufacturing by 10x and fiber capacity by more than 50%, including three new facilities in North Carolina and Texas and more than 3,000 high-paying American jobs to power AI infrastructure and hyperscale data centers.
NASA astronauts Chris Williams and Jack Hathaway staged a lighthearted moment aboard the ISS on April 13, pretending Williams could 'hold' Northrop Grumman's Cygnus XL cargo spacecraft in an optical illusion from the Cupola while the two captured the vehicle with Canadarm2 after its Apr 11 launch. The Cygnus XL was delivering about 11,000 pounds of cargo and experiments to the station. The playful moment highlighted crew morale amid a high-profile cargo-ship capture and installation on the Earth-facing port.
Chalmers University researchers have developed a simple platform using micrometer-sized gold flakes in a salt solution between two gold-coated glass plates. When illuminated, light trapped in nanometer-scale liquid cavities creates color changes that reveal the balance between Casimir attraction and electrostatic repulsion, enabling direct study of nanoscale surface forces and self-assembly with potential applications in medicine, biosensing, and materials science.
A team uses a continuous-wave mid-infrared laser and a needle-sharp metal tip to squeeze light into sub-atomic gaps, producing near-field optical tunneling emission that resolves atomic-scale features down to about 0.1 nanometers—roughly 100,000 times smaller than conventional diffraction-limited optics. The method works with standard lasers and could enable widespread atomic-scale optical imaging in catalysts, semiconductors, and quantum materials, with findings published in Nano Letters.
Comedian Tim Dillon, linked to the online ‘manosphere’ circle that boosted Trump, harshly criticizes the optics of a Mar-a-Lago gala for the American Humane Society, calling the lavish event at the president’s home demoralizing amid a cost‑of‑living crisis and rising global tensions.
Image-stabilized binoculars significantly enhance stargazing by providing shake-free views, making them ideal for observing deep space objects, wildlife, and for travelers. They are especially useful for beginners and those without telescopes, though they tend to be more expensive and heavier due to their stabilization systems. High-quality models from brands like Canon, Fujifilm, and Nikon offer varying degrees of stabilization and magnification, catering to different needs and budgets.
Advancements in AR lens technology, specifically geometric reflective waveguides embedded in glass, are making smart glasses lighter, more efficient, and more practical for everyday use, bringing augmented reality closer to mainstream adoption.
The article compares six models of Celestron's 10x42 binoculars, ranging from budget to premium, highlighting differences in coatings, glass quality, build materials, and performance, with the Regal ED emerging as the top choice for serious birders and stargazers due to its edge-to-edge sharpness and advanced features.
Advancements in AR lens technology, specifically geometric reflective waveguides embedded in glass, are making smart glasses lighter, brighter, and more practical, bringing us closer to seamless, everyday augmented reality experiences.
Nikon's 12x25 S image-stabilized binoculars are highly praised for their compact size, lightweight design, and effective stabilization, making them ideal for wildlife watching and stargazing. Currently discounted for Black Friday, they offer excellent value despite some minor optical compromises.
Researchers have developed layered multicolor metalenses using stacked metamaterials that can focus multiple wavelengths simultaneously, overcoming the limitations of single-layer lenses. This innovative design is easy to manufacture, polarization insensitive, and scalable, with potential applications in compact, high-performance optical devices for drones, smartphones, and other portable technologies.
Researchers have developed a new ultra-thin, tunable optical device inspired by butterfly wings, enabling dynamic control of nonlinear optical processes at visible wavelengths, with potential applications in camouflage, biosensing, and quantum computing.
Cheap digital microscopes, like the Tomlov DM9, often overstate their capabilities, especially in magnification and image quality, due to fundamental physics limitations. They have small sensors and limited depth of field, making their images less detailed compared to higher-end macro lenses on larger sensors. While they may be sufficient for casual use, their performance is significantly inferior to more expensive equipment, and their advertised specifications can be misleading.
The Celestron SkyMaster 25x100 binoculars offer impressive, detailed views of the night sky, especially when mounted on a sturdy tripod due to their weight, with high-quality BaK-4 prisms and large objective lenses, making them excellent for stargazing and lunar observation despite some handling and stability challenges.
The article highlights the best Black Friday deals on binoculars for 2024, featuring significant discounts on popular models like the Celestron SkyMaster Pro, Vortex Optics Crossfire HD, and Nikon Prostaff. It also mentions a broader range of deals on other products such as air purifiers, electric toothbrushes, and telescopes, available in their Black Friday deals hub. The article is authored by Kimberley Lane, an experienced e-commerce writer and photographer.