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Researchers observe, control, and optimize the growth of individual carbon...

(Phys.org)—Researchers from the NIST Center for Nanoscale Science and Technology and Arizona State University have used an environmental scanning transmission electron microscope (ESTEM) to control the...

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Titanium dioxide nanoreactor

Tiny particles of titanium dioxide are found as key ingredients in wall paints, sunscreens, and toothpaste; they act as reflectors of light or as abrasives. However with decreasing particle size and a...

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Colorfast pigments made from amorphous arrays of silicon dioxide and carbon...

(Phys.org) —It is very annoying when colors fade over time, sometimes simply from exposure to light. In the journal Angewandte Chemie, Japanese scientists have now introduced a new type of colorfast,...

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'Popcorn' particle pathways promise better lithium-ion batteries

Researchers at Sandia National Laboratories have confirmed the particle-by-particle mechanism by which lithium ions move in and out of electrodes made of lithium iron phosphate (LiFePO4, or LFP),...

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It's the fineness of the grind

The properties of nanomaterials could be easier to predict in future. Scientists from the Max Planck Institute for Intelligent Systems in Stuttgart have ground metal into continuously finer powders in...

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Concrete developed at EPFL to rescue Brittany's lighthouses

A lighthouse turret off the coast of Lorient in Brittany has been enhanced with technology developed at EPFL for bridges. This trial run will test the application of Ultra-High Performance Concrete...

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In search of a safer, greener firework

Fireworks are often the centrepiece of major religious, cultural and sporting events, but they can be the cause of air pollution and the fireworks industry is one of the most hazardous to work in....

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Watching nanoparticles grow

(Phys.org) —Individual silver nanoparticles in solutions typically grow through single atom attachment, but importantly, when they reach a certain size they can link with other particles, according to...

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Approaches for modeling dust size matters in how it affects the climate

Putting a climate model through some dusty drills, scientists at Pacific Northwest National Laboratory found how well it depicts the climate effects of particle size. Comparing three techniques to...

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Silver nanoparticles on graphene oxide support

Silver (Ag) has a high catalytic activity towards many organic and inorganic transformations such as NOx reduction and catalytic oxidation of CO to CO2. In practical applications, catalysts like Ag are...

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A pocket-size ultrasonic nebulizer employing a novel nozzle improves inhalers

Inhalation is an increasingly important route for non-invasive drug delivery for both systemic and local applications. Control of particle size and output plays a critical role in the efficient and...

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Red moon at night; stargazer's delight

Monday night's lunar eclipse proved just as delightful as expected to those able to view it. On the East Coast, cloudy skies may have gotten in the way, but at the National Science Foundation's...

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Fine-tuning cloud models for improved climate predictions

Arctic clouds are widespread and play an important role in climate, but different models have produced widely varying predictions about the properties of these clouds. This study analyzes simulations...

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Cation exchange capacity analyzed for nursery pine bark substrates

A new study contains valuable recommendations that can inform container nursery fertilization practices in the northeastern United States. In this region, most nursery substrates are comprised...

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Fundamental physicists discover surprise new use for super-chilled neutrons...

Physicists working on a 60-year-old experiment to understand the origin of matter in the universe have uncovered a new tool for studying the movement of tiny particles along a surface, such as a virus...

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Gravity plays a role in keeping cells small

(Phys.org) —The effects of gravity are relevant when building houses or flying airplanes, but biologists have generally accepted that the average cell is too small for gravity to play a role in how it...

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Study reveals that particle size matters for environmental DNA monitoring

(Phys.org) —University of Notre Dame scientists have now published the first detailed investigation of just how small (or big) environmental DNA, or eDNA, particles really are, and their results...

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A novel microscope for nanosystems

Nanomaterials play an essential role in many areas of daily life. There is thus a large interest to gain detailed knowledge about their optical and electronic properties. Conventional microscopes get...

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How oversized atoms could help shrink

"Lab-on-a-chip" devices – which can carry out several laboratory functions on a single, micro-sized chip – are the result of a quiet scientific revolution over the past few years. For example, they...

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Saturn's rings in a supercomputer

Why do some planets, like Saturn or Jupiter, have rings, while others, like Earth or Mars, do not? It turns out that "size does not matter"—gas giants like Saturn are not the only bodies that can...

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Dog food processing methods answering questions

According to the Association for Pet Obesity Prevention in 2014, approximately 53% and 58% of dogs and cats, respectively, in the United States were overweight and obese. These numbers have steadily...

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Smaller corn particle size means more energy for pigs, lower costs for producers

The results of new research at the University of Illinois indicate that it is possible for producers to reduce feed costs if yellow dent corn, a staple of swine diets in the United States, is ground to...

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New method for selectively controlling the motion of multiple sized...

As our technology downsizes, scientists often operate in microscopic-scale jungles, where modern-day explorers develop new methods for transporting microscopic objects of different sizes across non...

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Shedding light on plumes

Ludwig Maximilian University of Munich researchers have shown that volcanic lightning results from the discharge of static electricity accumulated by ash particles in the rising plume. Observations of...

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Size matters when it comes to forages fed to beef cattle

Just how much forage does a ruminant need if a ruminant does need forage?

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ALMA measures size of seeds of planets

Researchers using the Atacama Large Millimeter/submillimeter Array (ALMA), have for the first time, achieved a precise size measurement of small dust particles around a young star through radio-wave...

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Liposomes modified with temperature-responsive polymers are tuned for...

(Phys.org)—Drug delivery is tricky because the therapeutic compound needs to be non-toxic and deliver the correct dosage at the correct time. Some therapeutics are chemically unstable and others do not...

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Researchers identify free-flowing aerosol particles using holograms, lasers

Holographic images of free-flowing air particles may help climate change and biological weapons watchdogs better monitor the atmosphere, according to a recent Kansas State University study.

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First-ever US experiments at new X-ray facility may lead to better explosive...

For the first time in the U.S., time-resolved small-angle x-ray scattering (TRSAXS) is used to observe ultra-fast carbon clustering and graphite and nanodiamond production in the insensitive explosive...

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Particle size matters for porous building blocks

Porous particles of calcium and silicate show potential as building blocks for a host of applications like self-healing materials, bone-tissue engineering, drug delivery, insulation, ceramics and...

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