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Categories: Engineering: Nanotechnology, Physics: Optics

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Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Engineering: Nanotechnology
Published

The first domino falls for redox reactions      (via sciencedaily.com)     Original source 

Transmitting an effect known as a domino reaction using redox chemistry has been achieved for the first time.

Chemistry: Inorganic Chemistry Computer Science: Quantum Computers Physics: General Physics: Optics Physics: Quantum Computing Physics: Quantum Physics
Published

Researchers demonstrate that quantum entanglement and topology are inextricably linked      (via sciencedaily.com)     Original source 

Researchers have demonstrated the remarkable ability to perturb pairs of spatially separated yet interconnected quantum entangled particles without altering their shared properties.

Computer Science: Quantum Computers Computer Science: Virtual Reality (VR) Engineering: Nanotechnology Offbeat: Computers and Math Offbeat: General Physics: General Physics: Quantum Computing Physics: Quantum Physics
Published

New study uses machine learning to bridge the reality gap in quantum devices      (via sciencedaily.com)     Original source 

A study has used the power of machine learning to overcome a key challenge affecting quantum devices. For the first time, the findings reveal a way to close the 'reality gap': the difference between predicted and observed behavior from quantum devices.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Engineering: Nanotechnology Environmental: General Environmental: Water Geoscience: Geochemistry
Published

Bottled water can contain hundreds of thousands of previously uncounted tiny plastic bits      (via sciencedaily.com)     Original source 

In recent years, there has been rising concern that tiny particles known as microplastics are showing up basically everywhere on Earth, from polar ice to soil, drinking water and food. Formed when plastics break down into progressively smaller bits, these particles are being consumed by humans and other creatures, with unknown potential health and ecosystem effects. One big focus of research: bottled water, which has been shown to contain tens of thousands of identifiable fragments in each container. Now, using newly refined technology, researchers have entered a whole new plastic world: the poorly known realm of nanoplastics, the spawn of microplastics that have broken down even further. For the first time, they counted and identified these minute particles in bottled water. They found that on average, a liter contained some 240,000 detectable plastic fragments -- 10 to 100 times greater than previous estimates, which were based mainly on larger sizes.

Chemistry: Organic Chemistry Engineering: Nanotechnology Environmental: General Environmental: Water Geoscience: Environmental Issues
Published

Revolutionizing stable and efficient catalysts with Turing structures for hydrogen production      (via sciencedaily.com)     Original source 

Hydrogen energy has emerged as a promising alternative to fossil fuels, offering a clean and sustainable energy source. However, the development of low-cost and efficient catalysts for hydrogen evolution reaction remains a crucial challenge. Scientists have recently developed a novel strategy to engineer stable and efficient ultrathin nanosheet catalysts by forming Turing structures with multiple nanotwin crystals. This innovative discovery paves the way for enhanced catalyst performance for green hydrogen production.

Biology: Biochemistry Biology: Cell Biology Biology: General Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Offbeat: General Offbeat: Plants and Animals Physics: Optics
Published

Engineers invent octopus-inspired technology that can deceive and signal      (via sciencedaily.com)     Original source 

With a split-second muscle contraction, the greater blue-ringed octopus can change the size and color of the namesake patterns on its skin for purposes of deception, camouflage and signaling. Researchers have drawn inspiration from this natural wonder to develop a technological platform with similar capabilities for use in a variety of fields, including the military, medicine, robotics and sustainable energy.

Engineering: Nanotechnology
Published

Springs aboard -- gently feeling the way to grasp the microcosmos      (via sciencedaily.com)     Original source 

The integration of mechanical memory in the form of springs has for hundreds of years proven to be a key enabling technology for mechanical devices (like clocks), achieving advanced functionality through complex autonomous movements. In our times, the integration of springs in silicon-based microtechnology has opened the world of planar mass-producible mechatronic devices from which we all benefit, via air-bag sensors for example.

Engineering: Graphene Engineering: Nanotechnology Physics: General Physics: Quantum Computing Physics: Quantum Physics
Published

Functional semiconductor made from graphene      (via sciencedaily.com)     Original source 

Researchers have created the first functional semiconductor made from graphene, a single sheet of carbon atoms held together by the strongest bonds known. The breakthrough throws open the door to a new way of doing electronics.

Engineering: Nanotechnology Environmental: General Physics: General Physics: Optics Physics: Quantum Computing Physics: Quantum Physics
Published

Researchers boost signal amplification in perovskite nanosheets      (via sciencedaily.com)     Original source 

Perovskite nanosheets show distinctive characteristics with significant applications in science and technology. In a recent study, researchers achieved enhanced signal amplification in CsPbBr3 perovskite nanosheets with a unique waveguide pattern, which enhanced both gain and thermal stability. These advancements carry wide-ranging implications for laser, sensor, and solar cell applications, and can potentially influence areas like environmental monitoring, industrial processes, and healthcare.

Computer Science: Quantum Computers Computer Science: Virtual Reality (VR) Physics: General Physics: Optics Physics: Quantum Computing Physics: Quantum Physics
Published

Non-toxic quantum dots pave the way towards CMOS shortwave infrared image sensors for consumer electronics      (via sciencedaily.com)     Original source 

Researchers have fabricated a new high-performance shortwave infrared (SWIR) image sensor based on non-toxic colloidal quantum dots. They report on a new method for synthesizing functional high-quality non-toxic colloidal quantum dots integrable with complementary metal-oxide-semiconductor (CMOS) technology.

Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Physics: Optics
Published

Breakthrough in organic semiconductor synthesis paves the way for advanced electronic devices      (via sciencedaily.com)     Original source 

A research team has achieved a significant breakthrough in the field of organic semiconductors. Their successful synthesis and characterization of a novel molecule called 'BNBN anthracene' has opened up new possibilities for the development of advanced electronic devices.

Chemistry: Biochemistry Engineering: Nanotechnology Offbeat: General
Published

Revolutionary nanodrones enable targeted cancer treatment      (via sciencedaily.com)     Original source 

A research team has unveiled a remarkable breakthrough in cancer treatment.

Physics: Optics
Published

Researchers succeed in high-sensitivity terahertz detection by 2D plasmons in transistors      (via sciencedaily.com)     Original source 

Researchers have developed a high-speed, high-sensitivity terahertz-wave detector operating at room temperature, paving the way for advancements in the development of next generation 6G/7G technology.

Engineering: Graphene Physics: General Physics: Optics Physics: Quantum Computing Physics: Quantum Physics
Published

Laser-driving a 2D material      (via sciencedaily.com)     Original source 

Engineers pair vibrating particles, called phonons, with particles of light, called photons, to enhance the nonlinear optical properties of hexagonal boron nitride.

Physics: Optics Space: Astrophysics Space: Exploration Space: General Space: Structures and Features
Published

Pancake stack of films on a balloon most accurate gamma-ray telescope      (via sciencedaily.com)     Original source 

A pancake stack of radioactivity-sensitive films carried through the sky by a balloon was able to take the world's most accurate picture of a neutron star's gamma ray beam. To achieve this, researchers combined the oldest method of capturing radioactive radiation with the newest data capturing techniques and a clever time-recording device.

Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Computer Science: General Energy: Technology Physics: General Physics: Optics Physics: Quantum Physics
Published

Blue PHOLEDs: Final color of efficient OLEDs finally viable in lighting      (via sciencedaily.com)     Original source 

Lights could soon use the full color suite of perfectly efficient organic light-emitting diodes, or OLEDs, that last tens of thousands of hours. The new phosphorescent OLEDs, commonly referred to as PHOLEDs, can maintain 90% of the blue light intensity for 10-14 times longer than other designs that emit similar deep blue colors. That kind of lifespan could finally make blue PHOLEDs hardy enough to be commercially viable in lights that meet the Department of Energy's 50,000-hour lifetime target. Without a stable blue PHOLED, OLED lights need to use less-efficient technology to create white light.

Computer Science: Virtual Reality (VR) Physics: Optics
Published

360-degree head-up display view could warn drivers of road obstacles in real time      (via sciencedaily.com)     Original source 

Researchers have developed an augmented reality head-up display that could improve road safety by displaying potential hazards as high-resolution three-dimensional holograms directly in a driver's field of vision in real time.

Physics: Optics
Published

Aerogel can become the key to future terahertz technologies      (via sciencedaily.com)     Original source 

High-frequency terahertz waves have great potential for a number of applications including next-generation medical imaging and communication. Researchers have shown that the transmission of terahertz light through an aerogel made of cellulose and a conducting polymer can be tuned. This is an important step to unlock more applications for terahertz waves.

Engineering: Nanotechnology
Published

Artificial intelligence unravels mysteries of polycrystalline materials      (via sciencedaily.com)     Original source 

Researchers have used artificial intelligence to solve a difficult problem in crystal science. Seeking to understand why crystals develop tiny defects called dislocations, the researchers discovered unique defects that look like staircases. This discovery helps to better understand the defects in crystals that reduce the efficiency of complex polycrystalline materials used in our everyday electronic devices.

Environmental: General Geoscience: Environmental Issues Geoscience: Severe Weather Physics: Optics
Published

Snowflakes swirling in turbulent air as they fall through a laser light sheet      (via sciencedaily.com)     Original source 

A winter wonderland calls to mind piles of fluffy, glistening snow. But to reach the ground, snowflakes are swept into the turbulent atmosphere, swirling through the air instead of plummeting directly to the ground. Researchers found that regardless of turbulence or snowflake type, acceleration follows a universal statistical pattern that can be described as an exponential distribution.