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.....»»
Perceptions of "good" schools are heavily dependent on the preparation of the students entering them, study finds
Are schools that feature strong test scores highly effective, or do they mostly enroll students who are already well-prepared for success? A study co-authored by MIT scholars concludes that widely disseminated school quality ratings reflect the prepa.....»»
Novel method for controlling light polarization uses liquid crystals to create holograms
Researchers have made a significant breakthrough in controlling the polarization of light, a crucial property for various applications such as augmented reality, data storage, and encryption......»»
Investigating cell killers: An advanced system for size-dependent cytotoxicity analysis of silica
Metal nanomaterials have become an indispensable part of industrial and medical fields due to their unique and versatile properties. Their size, which imparts them with the desired physiochemical properties, is also the reason for environmental and h.....»»
Polymer-based tunable optical components allow for metasurfaces that can switched with light
A material coating, whose light refraction properties can be precisely switched between different states, has been developed by an interdisciplinary research team from the Chemistry and Physics departments at the University of Jena. The team, led by.....»»
Smart Dishwasher Statistics 2024 By Market Share, Region and Sales
Introduction Smart Dishwasher Statistics: As the world is enormously […] Introduction Smart Dishwasher Statistics: As the world is enormously growing with advanced technology and in recent days we are directly or indirectly dependent.....»»
Accurate quantitative analysis of information loss from digital metasurfaces caused by mutual coupling
Research by Dr. Ruiwen Shao and Prof. Junwei Wu (Institute of Electromagnetic Space, Southeast University, Nanjing, China) teaches us about how digital metasurfaces lose information......»»
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.....»»
Unlocking the full potential of Auger electron spectroscopy
Auger electron spectroscopy (AES) is an incredibly useful technique for probing material samples—but current assumptions about the process ignore some of the key time-dependent effects it involves. So far, this has resulted in overly-simplified cal.....»»
RNA-dependent protein research advances the fight against malaria
New work by a team led by scientists at the University of California, Riverside, has taken research one step closer to designing new therapies to fight and eradicate malaria thanks to a lab technique called R-DeeP......»»
A new optical metamaterial makes true one-way glass possible
A new approach has allowed researchers at Aalto University to create a kind of metamaterial that has so far been beyond the reach of existing technologies. Unlike natural materials, metamaterials and metasurfaces can be tailored to have specific elec.....»»
A novel technique for creating superhydrophobic surfaces
Superhydrophobic surfaces, characterized by their ability to repel water with a contact angle above 150° and a sliding angle below 10°, offer a range of applications from self-cleaning and anti-corrosion to oil/water separation and droplet manipula.....»»
Neural network assisted high-spatial-resolution polarimetry with non-interleaved chiral metasurfaces
Polarimetry plays a key role in wide applications from remote sensing and astronomy to biology and microscopy. Traditional polarimetry systems are equipped with a set of polarizers, waveplates, beam-splitters or filters, making the systems bulky and.....»»
Multi-dimensional multiplexing optical secret-sharing framework with cascaded liquid crystal holograms
Information security has become particularly crucial under the background of the big data era. Optical secret-sharing schemes encrypt information and physically divide it into different shares. Information can only be decrypted by cascading a suffici.....»»
Physicists develop novel concept for detecting chiral molecules
In contrast to conventional mirrors, light can be reflected on surfaces known as metasurfaces without changing its polarization. This phenomenon has now been proven by physicists at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and the Ma.....»»
Structural color ink: Printable, non-iridescent and lightweight
A new way of creating color uses the scattering of light of specific wavelengths around tiny, almost perfectly round silicon crystals. This Kobe University development enables non-fading structural colors that do not depend on the viewing angle and c.....»»
Researchers slow down light in metasurfaces with record low loss
The speed of light can be intentionally reduced in various media. Various techniques have been developed over the years to slow down light, including electromagnetically induced transparency (EIT), Bose-Einstein condensate (BEC), photonic crystals, a.....»»
Wyze Cam Floodlight v2 add s tons of new features at a lower price tag
The Wyze Cam Floodlight v2 features 2K video capture, 2,800 lumen lights, 160-degree viewing angle, and a built-in microSD slot for less than $90......»»
Holograms are coming to university classrooms
Hologram technology has been breathing new life into music legends dead and alive for years, but now there are plans to use the same system for teaching......»»
New technique uses optical orbital angular momentum lattice to enhance information storage capacity
In the realm of optical holography, the conventional limitations of polarization, wavelength, and incident angle are giving way to a new era of possibilities. A breakthrough technique known as optical orbital angular momentum (OAM) multiplexing has e.....»»
Researchers use spinning metasurfaces to craft compact thermal imaging system
Researchers have developed a new technology that uses meta-optical devices to perform thermal imaging. The approach provides richer information about imaged objects, which could broaden the use of thermal imaging in fields such as autonomous navigati.....»»