New optical hydrogen sensors eliminate risk of sparking
Hydrogen as a clean, renewable alternative to fossil fuels is part of a sustainable-energy future, and very much already here. However, lingering concerns about flammability have limited widespread use of hydrogen as a power source for electric vehic.....»»
Study shows 1 in 15 young mothers is involved in care proceedings before their eldest child is 10
Mothers under the age of 20 are at the greatest risk of being involved in care proceedings in the 10 years after having their first child, finds a new study report led by UCL researchers......»»
Under US pressure, Mexico probes loggerhead sea turtle deaths
Scientists in Mexico are investigating the deaths of hundreds of loggerhead sea turtles in recent years, a species considered at risk of extinction in the wild, according to officials......»»
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.....»»
Instagram adds comments for Stories with anti-trolling feature
Instagram Stories, one of the most popular parts of the Instagram app today, is getting a big new feature: comments. Here are all the details you should know, including how they’re designed to help eliminate trolls. more….....»»
High-refractive-index-modulation nanocomposites for augmented reality displays
Holographic optical elements (HOEs) are essential in augmented reality (AR) displays, providing benefits such as design flexibility and improved optical efficiency. However, current materials' limited refractive index modulation hampers performance,.....»»
India launches flood warning systems at Himalayan glacial lakes
India is setting up high-tech warning systems at nearly 200 Himalayan glacial lakes at risk of bursting their banks, a deadly threat exacerbated by climate change, disaster officials said Tuesday......»»
Mass cytometry barcoding strategy offers a new perspective of non-specific binding
Non-specific binding (NSB), the most annoying thing to scientists in the biosensing field, is one of the main factors limiting the performance of diagnostic sensors......»»
Worried about your trees after the windstorms? Here are seven signs you might be at risk
Winter has ended dramatically across Australia's southern states, as fierce winds and storms usher in spring......»»
Spin-controlled generation of a complete polarization set with randomly interleaved plasmonic metasurfaces
Optical metasurfaces are finely crafted two-dimensional artificial nanostructures composed of meticulously designed arrays of ultrathin artificial atoms. These surfaces possess capabilities beyond natural materials, enabling multifunctional control o.....»»
Advances in optical micronanofiber-enabled tactile sensors and soft actuators
A perfect combination of fiber optics and micro/nanotechnology, optical micro/nanofiber (MNF) is a new type of micro/nano-waveguide structure developed in recent years......»»
Research highlights drought risk and awareness gaps in global society
Natural disasters have threatened human beings and the ecosystem. Among the various natural disasters, drought is one of the most insidious and costliest, adversely affecting the global economy and livelihoods. Unlike sudden disasters such as earthqu.....»»
Toyota recalls over 45,000 vehicles due to risk of tow hitch detachment
Increased warranty claims alerted Toyota of potential issues with their 2023-24 Sequoia Hybrids......»»
Jaguar I-Pace fire risk leads to recall, instructions to park outdoors
The problem is similar to one that affected the Chevrolet Bolt in 2021. Enlarge / Jaguar sourced the I-Pace's battery cells from LG Energy Solutions. But now there's a problem with some of them. (credit: Jonathan Gitlin).....»»
Promising antibiotic candidates discovered in microbes deep in the Arctic Sea
Antibiotics are the linchpin of modern medicine: without them, anyone with open wounds or needing to undergo surgery would be at constant risk of dangerous infections. Yet we continue to face a global antibiotics crisis, as more and more resistant st.....»»
Number of fish species at risk of extinction five-fold higher than previous estimates according to new prediction
Researchers predict that 12.7% of marine teleost fish species are at risk of extinction, up five-fold from the International Union for Conservation of Nature's prior estimate of 2.5%......»»
"Sauna" mangrove sanctuaries pose risk for stingrays
A new study from James Cook University has revealed that mangrove habitats may serve as temporary sanctuaries for stingrays, but scientists fear the "saunas" could become too hot to handle with climate change accelerating. The study is published in t.....»»
Diverse crop rotations reduce risk of crop loss under poor growing conditions
Researchers at the U.S. Department of Agriculture's Agricultural Research Service (ARS) are responding to the increasingly uncertain climate. The warmer and more unpredictable weather has been a source of instability on U.S. farms. ARS agroecologists.....»»
Spectroscopy study reveals electrons in cocatalyst periphery drive photocatalytic hydrogen evolution
Synchronizing periodic excitations of photocatalysts with a Michelson interferometer on operando FT–IR spectroscopy, researchers led by Toshiki Sugimoto succeeded in observing and identifying the reactive electron species for photocatalytic hydroge.....»»
Exploring functional organic materials for the energy transition
Carbon, of all things, could help us to push forward the decarbonization of our industrial society. Functional carbon particles, known as carbon dots, can transform sunlight into energy and extract hydrogen from water. Prof. Dr. Dirk M. Guldi, a chem.....»»
Vinegar vapor method could make UV sensors 128,000 times more responsive
Researchers at Macquarie University have developed a new way to produce ultraviolet (UV) light sensors, which could lead to more efficient and flexible wearable devices......»»