Realizing ultrafast imaging from 2D to quasi 3D
Scientists at Beijing Institute of Technology have developed an ultra-fast quasi-three-dimensional technology, overcoming the shortcomings of missing information in two-dimensional images and incomplete features, allowing for the analysis of three-di.....»»
Daily Telescope: Imaging a nearly 4-billion-year-old region on the Moon
"It happened to land on an interesting area, so I made a quick recording." Enlarge / Mare Imbrium and its vicinity. (credit: Katie's Observing Log) Welcome to the Daily Telescope. There is a little too much darkness i.....»»
Researchers obtain evidence for nanoflares heating coronal loops
Researchers from Yunnan Observatories of the Chinese Academy of Sciences have demonstrated the evolution of separated strands within the apparent single coronal loops observed in Atmospheric Imaging Assembly (AIA) images......»»
Researchers reveal that Earth"s surface water can penetrate deep into the planet, transforming core"s outer layer
A few decades ago, seismologists imaging the deep planet identified a thin layer, just over a few hundred kilometers thick. The origin of this layer, known as the E prime layer, has been a mystery—until now......»»
Pioneering automated proteoform imaging
Investigators led by Neil Kelleher, Ph.D., professor of Medicine in the Division of Hematology and Oncology and of Biochemistry and Molecular Genetics, have developed an automated technique for imaging and identifying proteoforms in ovarian cancer ti.....»»
Detecting hidden defects in materials using a single-pixel terahertz sensor
In the realm of engineering and material science, detecting hidden structures or defects within materials is crucial. Traditional terahertz imaging systems, which rely on the unique property of terahertz waves to penetrate visibly opaque materials, h.....»»
Realizing in situ electron paramagnetic resonance spectroscopy using single nanodiamond sensors
Researchers have used the nitrogen-vacancy (NV) center inside a single nanodiamond for quantum sensing to overcome the problem of random particle rotation. Their study is published in Nature Communications......»»
Ferroelectric modulation of Fermi level of graphene oxide to enhance SERS response
Surface-enhanced Raman scattering (SERS) is a powerful fingerprint analysis and detection technique that plays an important role in the fields of food safety, environmental protection, bio-imaging and hazardous substance identification. Electromagnet.....»»
Study uncovers giant fluctuation-enhanced phonon magnetic moments in a polar antiferromagnet
Phonons, quasi-particles associated with sounds or lattice vibrations, can carry momentum and angular momentum. However, these quasi-particles are commonly considered to possess negligible magnetic moments......»»
A novel sparse synthetic aperture radar unambiguous imaging method based on mixed-norm optimization
Compared with traditional matched filtering (MF) based methods, sparse synthetic aperture radar (SAR) imaging could obtain high-quality images of sparse surveillance regions from down-sampled echo data. However, sparse SAR imaging still faces several.....»»
Making high-quality crystals that resonate strongly with infrared light
Combining electronics with infrared light can enable small, fast, and sensitive devices for sensing, imaging, and signaling at the molecular level. However, in the infrared spectrum, materials must meet strict quality requirements for their crystals.....»»
Ultrafast X-ray pulses force atoms to give up their electronic secrets
A new spectroscopy technique developed by RIKEN researchers could help reveal the inner workings of metal catalysts and the proteins involved in photosynthesis in plants......»»
New imaging method reveals activity of cells that break down bone
Bone may seem as if it's a hard, lifeless structure, but now the cells living within have been imaged in unprecedented detail, thanks to an innovative imaging method developed at the Garvan Institute of Medical Research......»»
Diffraction-limited visible imaging for large aperture telescopes
A new publication from Opto-Electronic Advances discusses diffraction-limited visible imaging for large aperture telescopes......»»
Scientists engineer plants to speak in color as environmental sensors for dangerous chemicals
What if your house plant could tell you your water isn't safe? Scientists are closer to realizing this vision, having successfully engineered a plant to turn beet red in the presence of a banned, toxic pesticide......»»
Realizing vertical ultraviolet-B semiconductor laser diodes for high optical output
Ultraviolet (UV) rays are electromagnetic waves with wavelengths ranging from 100 to 380 nanometers (nm). These wavelengths can be classified into three regions: UV-A (315–380 nm), UV-B (280–315 nm), and UV-C (100–280 nm), with the latter two c.....»»
Miniature magnetic resonance imager made of diamond
The development of tumors begins with miniscule changes within the body's cells; ion diffusion at the smallest scales is decisive in the performance of batteries. Until now, the resolution of conventional imaging methods has not been high enough to r.....»»
Manipulating collective motions of electrons and solvent molecules in a polar liquid
Researchers at the Max-Born-Institute have now mapped the linear and nonlinear optical polaron response using ultrafast two-dimensional spectroscopy in the THz frequency range. As they discuss in the current issue of Physical Review Letters, multi-ph.....»»
Scientists develop novel nanoparticles that could serve as contrast agents
Special nanoparticles could one day improve modern imaging techniques. Developed by researchers at Martin Luther University Halle-Wittenberg (MLU), the properties of these unique nanoparticles change in reaction to heat. When combined with an integra.....»»
Hidden information extraction from layered structures through terahertz imaging
Noninvasive inspection of layered structures is challenging for time-resolved imaging methods, where the resolution and contrast can be compromised by prominent signal attenuation with interlayer reflections and dispersions......»»
New photonic chips for high-capacity data transmissions
With the growth in artificial intelligence (AI), 5G systems, cloud computation, and the Internet of Things, transmitters with extremely high capacities are required for data communication. Ultrafast optical modulation is an essential technology for h.....»»