Overcoming the optical resolution limit
When measuring with light, the lateral extent of the structures that can be resolved by an optical imaging system is fundamentally diffraction limited. Overcoming this limitation is a topic of great interest in recent research, and several approaches.....»»
Light momentum turns pure silicon from an indirect to a direct bandgap semiconductor
UC Irvine-led research reveals that the optical properties of materials can be dramatically enhanced—not by changing the materials themselves, but by giving the light new properties......»»
Simulated construction of plant-based fish meat with composite structure via 3D printing
To date, about 90% of fish resources worldwide have already reached their sustainable fishery limit. Meanwhile, intensive farming and aquaculture contribute to significant environmental pollution and degradation. To address both the challenges of lim.....»»
Observers detect intraday variability of blazar 1ES 1426+42.8
Astronomers report the detection of optical intraday variability of a blazar known as 1ES 1426+42.8. The new findings, presented in a paper published in the September issue of Monthly Notices of the Royal Astronomical Society, could shed more light o.....»»
Researchers improve tunability in optical differentiation
A new technique may make it easier for researchers to create real-time images of microscopic samples by considering the waves that propagate through sample surfaces as light interacts with them......»»
Popular YouTuber says Apple is lying about the iPhone 16 Pro 48MP camera; Lux disagrees
A popular YouTube channel has described the claimed 48 megapixel resolution of the iPhone 16 Pro’s camera as “absolutely fake.” Professional photographer Tony Northrup says that the true resolution is “around six megapixels.” Sebastiaan.....»»
Could interstellar quantum communications involve Earth or solve the Fermi paradox?
Thus far, the search for extraterrestrial intelligence (SETI) has used strategies based on classical science—listening for radio waves, telescopes watching for optical signals, telescopes in orbit scouring light from the atmospheres of exoplanets,.....»»
An innovative system for seeing into the bowels of a volcano
A team of researchers from the CNRS and the Paris Institute of Planetary Physics has developed an innovative imaging method that can probe the bowels of a volcano with unparalleled resolution and depth. This new method is based on the deployment of a.....»»
How to Understand Your Child’s Screenings for Autism and Other Conditions
The predictive value of childhood screenings for autism and other conditions depends on how common the condition is, a limit that parents need to understand.....»»
iOS 18 will warn you when you’re using a slow iPhone charger
iOS 18 includes a couple of notable changes to iPhone battery health and charging settings. Apple has added more charging limit settings for iPhone 15 users, along with information about when you’re using a slow charger. more….....»»
Google backs privately funded satellite constellation for wildfire detection
"Authorities will have high-resolution imagery that is updated globally every 20 minutes." Enlarge / The Windy Fire blazes through the Long Meadow Grove of giant sequoia trees near The Trail of 100 Giants overnight in Sequoia Nat.....»»
Deep design produces "butterfly" phase mask for light-sheet fluorescence microscopy
Researchers have introduced a solution to the problem of light-sheet fluorescence microscopy: novel illumination beams designed based on deep learning using a trainable phase mask. Their study eliminates the need for sophisticated optical design tool.....»»
Today only: The Samsung Odyssey Neo G7 gaming monitor is down to $450
The 32-inch Samsung Odyssey Neo G7 gaming monitor, which offers 4K Ultra HD resolution and a 1000R curved design, is on sale from Samsung at an affordable $450......»»
Artemis missions could put the most powerful imaging telescope on the moon
Ground-based interferometry on Earth has proven to be a successful method for conducting science by combining light from several telescopes into acting like a single large telescope. But how can an ultraviolet (UV)/optical interferometer telescope on.....»»
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.....»»
This Alienware gaming laptop with RTX 4090 just got a $700 price cut
The sky is the limit when you own an Alienware PC, and today, Dell is selling the almighty M18 R2 Gaming Laptop with an RTX 4090 for $2,900!.....»»
Overcoming magnetic disorder: Toward low-energy topological electronics
Overcoming magnetic disorder is key to exploiting the unique properties of quantum anomalous Hall (QAH) insulators. A Monash-led team has demonstrated that the breakdown in topological protection is caused by magnetic disorder, explaining previous ob.....»»
Researchers examine protein arrangement in cell membrane that triggers programmed cell death
How can molecular structures be analyzed when the resolution of the techniques available is not sufficient? Researchers from the fields of physics, chemistry and medicine at Heinrich Heine University Düsseldorf (HHU) have combined and further develo.....»»
Pay-by-weight airfares are an ethical minefield; we asked travelers what they actually think
Imagine checking in for a flight with your two teenage children. At the counter, you are told that your youngest teenager's suitcase is two kilograms over the limit. You get slapped with a $75 penalty for their excess luggage......»»
Research team achieves high-resolution 2D imaging for graphene devices under high pressure
A research team led by Prof Zhang Zengming from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) has combined nitrogen-vacancy (NV) centers in diamond with a diamond anvil cell (DAC) to achieve non-inv.....»»
Found: 280 Android apps that use OCR to steal cryptocurrency credentials
Optical Character Recognition converts passwords shown in images to machine-readable text. Enlarge (credit: Getty Images) Researchers have discovered more than 280 malicious apps for Android that use optical character re.....»»