Universal linear processing of spatially incoherent light through diffractive optical networks
Information processing with light is a topic of ever-increasing interest among optics and photonics researchers. Apart from the quest for an energy-efficient and fast alternative to electronic computing for future computing needs, this interest is al.....»»
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......»»
Combining aesthetics with fire-resistance for improved wood protection
Wood is a popular material for construction and furniture making due to its availability, easy processing, and strong mechanical properties. However, its flammability poses significant risks, particularly in historical buildings......»»
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.....»»
City light pollution is shrinking spiders" brains, new study finds
As darkness falls, the nocturnal half of the animal kingdom starts its day. Nocturnal species are perfectly adapted to navigate and survive the dark of night that has existed for countless millions of years......»»
Supercomputer simulations provide new insights into calcium-48"s controversial nuclear magnetic excitation
The world's most powerful supercomputer is helping resolve conflicting research results that have puzzled scientists for more than a decade, which could also shine new light inside collapsing stars......»»
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.....»»
Qilin ransomware targets Google Chrome credentials
Sophos X-Ops reveals a new strategy that harvests credentials from compromised networks, raising significant cybersecurity concerns for organizations......»»
Bioengineers develop protein assembly road map for nature-derived nanobubbles
As far as water gear goes, floaties are not exactly high tech. But the tiny air-filled bubbles some microorganisms use as flotation devices when they compete for light on the water surface are a different story......»»
High-refractive-index-modulation nanocomposites for augmented reality displays
Holographic optical elements (HOEs) are essential in augmented reality (AR) displays, providing benefits such as design flexibility and improved optical efficiency. However, current materials' limited refractive index modulation hampers performance,.....»»
Study finds program boosts cognitive engagement of students with language and attention difficulties
A new study has found high school students with disabilities impacting language and information processing were able to better comprehend content when teachers adopted evidence-based strategies to increase the accessibility of classroom teaching......»»
New method sheds light on the hidden world of solvation shells
Scientists from the Fritz Haber Institute, Sorbonne University, and Uppsala University have made a discovery that can help to improve our understanding of the behavior of ions in solutions. Their paper, titled "The solvation shell probed by resonant.....»»
A new test proves how to make the Event Horizon Telescope even better
Want a clear view of a supermassive black hole's environment? It's an incredible observational challenge. The extreme gravity bends light as it passes through and blurs the details of the event horizon, the region closest to the black hole. Astronome.....»»
Q&A: Astronomers await a once-in-80-year stellar explosion
We sat down with Carnegie Science Observatories theoretical astrophysicist Tony Prio to talk about T Coronae Borealis, the stellar explosion that occurs once every 80 years and is due to light up in the coming months......»»
Opinion: The real issue at the heart of Canada"s meat processing industry isn"t labor shortages—it"s low wages
A United Nations special rapporteur recently released a damning report describing Canada's Temporary Foreign Worker program as a "breeding ground for contemporary forms of slavery." The report detailed the many ways migrant workers have been mistreat.....»»
Hubble zooms into the rosy tendrils of Andromeda
Clusters of stars set the interstellar medium ablaze in the Andromeda galaxy about 2.5 million light-years away. Also known as M31, Andromeda is the Milky Way's closest major galaxy. It measures approximately 152,000 light-years across and, with almo.....»»
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.....»»
Advances in optical micronanofiber-enabled tactile sensors and soft actuators
A perfect combination of fiber optics and micro/nanotechnology, optical micro/nanofiber (MNF) is a new type of micro/nano-waveguide structure developed in recent years......»»
What a submerged ancient bridge discovered in a Spanish cave reveals about early human settlement
A new study led by the University of South Florida has shed light on the human colonization of the western Mediterranean, revealing that humans settled there much earlier than previously believed. This research, detailed in a recent issue of the jour.....»»
Light-activated polymerization methods unlock new possibilities for intracellular applications
Synthetic polymers play a crucial role in cell biology, serving as delivery vehicles for DNA and drugs, acting as fluorescent probes for cellular sensing, functioning as bioinks for tissue engineering, and mimicking biological functionality (e.g., ar.....»»