Reimagining the optical diode effect for enhanced optical isolator efficiency
At the heart of global internet connectivity, optical communications form an indispensable foundation. Key to this foundation are optical isolators, created by combining multiple components......»»
Natural piezoelectric effect may build gold deposits
How does an unreactive, barely soluble metal end up forming giant chunks? Enlarge / A lot of gold deposits are found embedded in quartz crystals. (credit: Pierre Longnus) One of the reasons gold is so valuable is because.....»»
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,.....»»
Breaking boundaries: PAM-less genome editing in soybean
CRISPR-Cas9 has transformed crop genetic improvement, yet its reliance on specific protospacer adjacent motif (PAM), sequences limits editing scope and efficiency. In soybean, a critical source of protein and oil, these limitations hinder the develop.....»»
Expanding click chemistry: An eco-friendly conversion process for the synthesis of sulfonyl fluorides
For the first time, thiols and disulfides have been converted into sulfonyl fluorides using SHC5 and KF, expanding click chemistry with high efficiency and low environmental impact......»»
Organic farms can double plant diversity—but only with time
It takes a long time, up to several decades, before the benefits of organic farming take full effect on land that was previously cultivated conventionally, a new study from Lund University suggests. After thirty years, the plant species richness arou.....»»
Scientists demonstrate giant THz Kerr effect via stimulated phonon polaritons
Terahertz (THz) waves and THz technologies have gradually opened a new style for communications, cloud-based storage/computing, information contest, and medical tools. With the advancement of THz technologies, studies on THz nonlinear optics have eme.....»»
Scientists develop multifunctional photocatalyst for wastewater treatment
Water contamination by pharmaceuticals and heavy metals poses severe environmental and health risks. Traditional methods like biodegradation and filtration often lack efficiency and sustainability. Photocatalysis, using solar energy to degrade pollut.....»»
U.S. delays final ruling to hike tariffs on EVs made in China
Higher duties of 100 percent on EVs, 50 percent on semiconductors and solar cells, and 25 percent on lithium ion batteries and key minerals, steel and aluminum, ship-to-shore cranes and syringes were set to take effect on Aug. 1......»»
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......»»
Non-Hermitian skin effect in all dimensions tied to point-gap topology
A study, published in the journal Science Bulletin and led by Dr. Haiping Hu from the Institute of Physics, Chinese Academy of Sciences (IOP, CAS), explores the non-Hermitian skin effect (NHSE) and non-Bloch bands......»»
Ecobee Smart Thermostat Premium vs. Ecobee Smart Thermostat Enhanced: Which is better?
The Ecobee Smart Thermostat Premium is loaded with functionality, but you'll still get all the basics with the Smart Thermostat Enhanced......»»
Daily 5 for Aug. 29: GM hopes to bolster its fleet business by branding BrightDrop vans as Chevrolets
Welcome to today's edition of the Daily 5. Back in July, we ran a report about GM's BrightDrop electric delivery van business folding into the GM Envolve fleet and commercial unit. The idea was greater efficiency. Our story also said that after pa.....»»
Study: Plasmonic copper nanowires boost nitrate reduction efficiency
The electrocatalytic nitrate reduction reaction (NO3RR) has attracted the attention of researchers for its significant value in ammonia synthesis and effluent treatment. Plasmon-assisted electrocatalysis provides a powerful strategy for efficient con.....»»
A chloroplast-mimicking nanoreactor for enhanced CO₂ electrocatalysis
Chloroplast, which is a double-membrane-bounded organelle, is the main site for CO2 fixation via photosynthesis in green plants. The double-membrane configuration can regulate the transport of substances into and out of the chloroplasts with the aid.....»»
New Sisyphus cooling technique could enhance precision of atomic clocks
Researchers in the Neutral Atom Optical Clocks Group at the National Institute of Standards and Technology (NIST), University of Colorado and Pennsylvania State University recently devised a new sub-recoil Sisyphus cooling technique that could help t.....»»
Bitwarden introduces enhanced inline autofill feature for credit cards and identities
Bitwarden announced an enhancement to the inline autofill capabilities within the Bitwarden browser extension. This update introduces seamless autofill for credit cards and personal identities, enabling more secure and efficient interactions with web.....»»
Environmental policy in Brazil leads to less violence, researchers find
In December 2007, the then Brazilian government passed a law to curb the illegal destruction of the rainforest. A study by researchers from the Insper Research Institute in São Paulo and the University of Bonn now shows an interesting side effect: w.....»»
AuthenticID enhances Smart ReAuth to combat AI-based attacks and account takeovers
AuthenticID announced the newest release of Smart ReAuth. Smart ReAuth is a reauthentication solution that leverages a selfie to re-confirm an identity. First released in 2021, this enhanced version offers verifications in less than one second, with.....»»
A way to recover silver from dead solar panels with 98% efficiency
A multi-institutional team of chemists, metallurgists and engineers has developed a highly efficient way to retrieve silver from dead solar panels. Their paper is published in Environmental Technology & Innovation......»»