Tomographic measurement of dielectric tensors
A research team reported the direct measurement of dielectric tensors of anisotropic structures including the spatial variations of principal refractive indices and directors. The group also demonstrated quantitative tomographic measurements of vario.....»»
The Clue Coffee Scale
Load cell + microcontroller = precision weight measurement for a truly superior espresso. The post The Clue Coffee Scale appeared first on Make: DIY Projects and Ideas for Makers......»»
Here’s how the Apple Watch blood oxygen feature could return after Masimo shakeup
One of the biggest barriers to upgrading to a new Apple Watch this year is that, if you’re in the US and currently own a model with blood oxygen measurement, you wouldn’t get that feature in your new model. That’s due to the patent dispute b.....»»
New results from the CMS experiment put W boson mass mystery to rest
After an unexpected measurement by the Collider Detector at Fermilab (CDF) experiment in 2022, physicists on the Compact Muon Solenoid experiment (CMS) at the Large Hadron Collider (LHC) announced today a new mass measurement of the W boson, one of n.....»»
Ultra-Precise Particle Measurement Narrows Pathway to ‘New Physics’
A long-awaited calculation of the W boson’s mass agrees with theory, contradicting a previous anomaly that had raised the possibility of new physics beyond the Standard Model.....»»
Researchers simulate novel metal-filtered VCSEL modal control
A study led by researchers from the Changchun Institute of Optics, Fine Mechanics and Physics of the Chinese Academy of Sciences revealed a novel metal-dielectric film mode filter structure that can flexibly regulate transverse modes in vertical-cavi.....»»
Multifunctional phosphor developed for white LED lighting and optical thermometry
In the realm of lighting and temperature measurement, advancements in material science are paving the way for significant improvements in technology and safety. Traditional methods, which combine yellow phosphors with blue chips in LEDs, have limitat.....»»
Smartphone-based microscope rapidly reconstructs 3D holograms
Researchers have developed a new smartphone-based digital holographic microscope that enables precision 3D measurements. The highly portable and inexpensive microscope could help bring 3D measurement capabilities to a broader range of applications, i.....»»
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.....»»
Chinese Gaofen-7 satellite enhances precision in forest height measurement
Scientists have developed a method to measure forest heights using advanced satellite technology, significantly reducing the need for labor-intensive fieldwork. A study published on July 29 in the Journal of Remote Sensing by a team of international.....»»
Physicists ease path to entanglement for quantum sensing
Nothing in science can be achieved or understood without measurement. Today, thanks to advances in quantum sensing, scientists can measure things that were once impossible to even imagine: vibrations of atoms, properties of individual photons, fluctu.....»»
Gulf of Mexico "dead zone" larger than average, scientists find
NOAA-supported scientists have announced that this year's Gulf of Mexico "dead zone"—an area of low to no oxygen that can kill fish and marine life—is approximately 6,705 square miles, the 12th largest zone on record in 38 years of measurement. T.....»»
Confined water gets electric: Study reveals dielectric response of water in nanopores
When water gets inside nanopores with sizes below 10 nanometers, new physics emerge: new phases of ice were observed and ultrafast proton transport was measured. Confined water also plays a role in biology, where aquaporins cross cellular membranes t.....»»
Carbon dating: Developing a measurement tool for a 23-year-old cold case
When local law enforcement are unable to identify skeletal remains, they may seek out external resources and capabilities like those at Lawrence Livermore National Laboratory's (LLNL) Center for Accelerator Mass Spectrometry (CAMS). That's exactly wh.....»»
Astronomers discover technique to spot AI fakes using galaxy-measurement tools
Researchers use technique to quantify eyeball reflections that often reveal deepfake images. Enlarge / Researchers write, "In this image, the person on the left (Scarlett Johansson) is real, while the person on the right is AI-ge.....»»
Strategy enhances breakdown strength and polarization in dielectric nanocomposites
Electrostatic capacitors are a key component in high-power pulse equipment, power transmission and transformation engineering, new energy vehicles, and 5G communication. Their capability for ultrafast charging-discharging and ultrahigh power density.....»»
New measurement of the top quark from LHC data
Researchers from the School of Physics & Astronomy have been involved in an important new measurement of the top quark made using data provided by the Large Hadron Collider (LHC)......»»
New method for simultaneous high-resolution measurement of chiral molecules
Researchers have developed a new method for precisely analyzing molecules' chirality. This method, known as cavity-enhanced chiral eigenmode (CECEM) spectroscopy, offers several advantages over existing techniques, including the ability to simultaneo.....»»
Belle II experiment reports the first direct measurement of tau-to-light-lepton ratio
The Belle II experiment is a large research effort aimed at precisely measuring weak-interaction parameters, studying exotic hadrons (i.e., a class of subatomic particles) and searching for new physical phenomena. This effort primarily relies on the.....»»
Google is finally adding a speedometer to Google Maps on iPhone
Half a decade after it introduced the features on Android, Google now plans to add both a speedometer and speed limits detail to its Google Maps on iOS.Google Maps on iPhone will add a speedometerTaking an accurate measurement of a car's speed is sur.....»»
Streamlined microcomb design provides control with the flip of a switch
Light measurement devices called optical frequency combs have revolutionized metrology, spectroscopy, atomic clocks, and other applications. Yet challenges with developing frequency comb generators at a microchip scale have limited their use in every.....»»