Doing photon upconversion a solid: Crystals that convert light to more useful wavelengths
Solid-solution organic crystals have been brought into the quest for superior photon upconversion materials, which transform presently wasted long-wavelength light into more useful shorter wavelength light. Scientists from Tokyo Institute of Technolo.....»»
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......»»
Long-range-interacting topological photonic lattices breaking channel-bandwidth limit
Topological physics, which focuses on physical quantities that remain invariant under deformations, has garnered widespread interest in different areas of physics—photonics, quantum computing, solid-state physics, acoustics, and electronic circuits.....»»
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.....»»
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......»»
Entangled photon pairs enable hidden image encoding
Researchers at the Paris Institute of Nanoscience at Sorbonne University have developed a new method to encode images into the quantum correlations of photon pairs, making it invisible to conventional imaging techniques. The study is published in the.....»»
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.....»»
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......»»
Natural piezoelectric effect may build gold deposits
How does an unreactive, barely soluble metal end up forming giant chunks? Enlarge / A lot of gold deposits are found embedded in quartz crystals. (credit: Pierre Longnus) One of the reasons gold is so valuable is because.....»»
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......»»
How to convert PDF to PowerPoint
Converting a PDF to Powerpoint is quick and straightforward if you use the right tools. Here's how to do it......»»
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.....»»
Researchers explore design of polar crystalline solids of pure molecular materials
Harmeet Bhoday, a Missouri S&T Ph.D. student in chemistry from Chandigarh, India, was the lead author of an article titled "Perfect Polar Alignment of Parallel Beloamphiphile Layers: Improved Structural Design Bias Realized in Ferroelectric Crystals.....»»
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.....»»
Review: Eve Outdoor Cam is a great HomeKit camera with floodlight [save 18% right now]
Update: Right now, you can . Eve Outdoor Cam is a sleek outdoor video camera for HomeKit, with integrated LED floodlight ideally designed to light up your driveway at night. I’ve been a fan of the for a while, and my experience with the Outdoor.....»»
Get 30% OFF when You Buy the Google Pixel 7a!
It's still a solid everyday midranger. The post Get 30% OFF when You Buy the Google Pixel 7a! appeared first on Phandroid. If you’re interested in checking out Google’s Pixel Android phones, then you might want to look into its.....»»
Illuminating the unavoidable imperfections of nanostructures
A new study by a collaborative team from the University of Twente and the e-Science Center in Amsterdam compares the transmission of light through a utopian model with a real 3D nanostructure. These nanostructures are integral to our daily technologi.....»»