Chaos Raman distributed optical fiber sensing
The timeliness and accuracy of detection technology is directly related to the safety of people's lives and property. In the application of this technology, temperature is a physical quantity that must to be focused on. Compared with other temperatur.....»»
No GPS, no problem: Researchers are making quantum sensing tools more compact and accurate to replace GPS
Fundamental physics—let alone quantum physics—might sound complicated to many, but it can actually be applied to solve everyday problems......»»
Scientists develop new technique for bespoke optical tweezers
Scientists have developed a new way to trap small particles with light. Building on the Nobel Prize winning technique of optical tweezers (Arthur Ashkin, 2018), a team of physicists, led by Dr. David Phillips at the University of Exeter, has advanced.....»»
Novel time-of-flight-resolved stimulated Raman scattering microscopy enables high-resolution bioimaging
Stimulated Raman scattering (SRS) microscopy is an optical vibrational spectroscopic imaging technique and has emerged as an appealing label-free imaging tool for tissue and cell imaging and characterization with high biochemical specificity......»»
New shapes of photons open doors to advanced optical technologies
Researchers from the University of Twente in the Netherlands have gained important insights into photons, the elementary particles that make up light. They 'behave' in an amazingly greater variety than electrons surrounding atoms, while also being mu.....»»
A new approach to realize quantum mechanical squeezing
Mechanical systems are highly suitable for realizing applications such as quantum information processing, quantum sensing and bosonic quantum simulation. The effective use of these systems for these applications, however, relies on the ability to man.....»»
Engineers develop advanced optical computing method for multiplexed data processing and encryption
Engineers at the University of California, Los Angeles (UCLA) have unveiled a major advancement in optical computing technology that promises to enhance data processing and encryption. The work is published in the journal Laser & Photonics Reviews......»»
Scholars review lunar crater chronology and impact flux
Scholars reviewed the existing anchor points and construction history of lunar crater chronology. Before the return of lunar samples, the stratification of the near side of the moon was based on remote sensing data from ground-based telescopes and lu.....»»
Study investigates a massive "spider" pulsar
Astronomers from the Stanford University in California have performed joint X-ray and optical observations of a massive "spider" pulsar designated PSR J2215+5135. Results of the observational campaign, presented in a paper published May 22 on the pre.....»»
New imager acquires amplitude and phase information without digital processing
Researchers at the University of California, Los Angeles (UCLA) have achieved a significant milestone in optical imaging technology. A new all-optical complex field imager has been developed, capable of capturing both amplitude and phase information.....»»
Researchers develop ultrafast wavemeter that employs spectral–spatial–temporal mapping
Accurate high-speed measurements of wavelength are fundamental to optical research and industrial applications, such as environmental monitoring, biomedical analysis, and material characterization......»»
New sensing techniques can detect drought tolerance in ancient crops, may inform new breeding programs
Drought is the most devastating environmental stress that farmers face worldwide. With the added pressures of climate change, drought years have become less predictable, more frequent and more severe......»»
Internet Archive, aka the Wayback Machine, is under sustained DDoS attack
The Internet Archive, best known for its Wayback Machine, says that it has been under a sustained distributed denial-of-service (DDoS) attack for several days. The non-profit says that it is in contact with the attackers, though their motivation is a.....»»
Your next smartwatch could analyze sweat to mine invaluable health data
Experts at the Chinese Academy of Sciences have developed a sweat-sensing smartwatch that is capable of continuous sweat analysis for sodium and potassium ions......»»
New metasurface-based edge detecting filter for remote sensing could transform crop monitoring
New work by researchers from the ARC Center of Excellence for Transformative Meta-Optical Systems (TMOS) and City University of New York (CUNY) published May 27 in Nature Communications realizes a new, tunable edge-detecting filter for flat-optic ima.....»»
Porous materials and machine learning provide inexpensive microplastic monitoring method
Optical analysis and machine learning techniques can now readily detect microplastics in marine and freshwater environments using inexpensive porous metal substrates. Details of the method, developed by researchers at Nagoya University with collabora.....»»
Secrets of sargassum: Scientists advance knowledge of seaweed causing chaos in the Caribbean and West Africa
Researchers have been working to track and study floating sargassum, a prolific seaweed swamping Caribbean and West African shorelines, and causing environmental and economic harm. The study, "Changes in holopelagic Sargassum spp. biomass composition.....»»
The Artificial Intelligence Era Faces a Threat from Directed Energy Weapons
Autonomous and AI-enabled systems increasingly rely on optical and radio frequency sensors and significant computer power. They face growing vulnerabilities from directed-energy laser and microwave weapons.....»»
Chaos returns to the kitchen in The Bear season 3 teaser trailer
Chaos returns to the kitchen in the first teaser trailer for season 3 of FX's award-winning dramedy, The Bear......»»
Researchers reveal how acetylation regulates centromere dynamics, chromosome segregation and mitotic progression
Cell division produces new cells, which underpin life proliferation and development. Mitosis is the shortest and the most dynamic phase of the cell cycle. During mitosis, chromosomes are evenly distributed between the two daughter cells, preserving t.....»»
Researchers develop framework for databasing properties of crystal defects
Point defects (e.g. missing, extra or swapped atoms) in crystalline materials often determine the actual electronic and optical response of a given material. For example, controlled substitutions in semiconductors like silicon are the backbone of mod.....»»