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News articles about "Density"

Scientists Pinpoint the Creeping Nanocrystals Behind Lithium-Ion Battery Degradation

Batteries do not age gracefully The lithium ions that power portable electronics cause lingering structural damage with each cycle of charge and discharge making devices from smartphones to tablets tick toward zero faster and faster ... - Read More

Silly Putty material inspires better batteries: Silicon dioxide used to make lithium-ion batteries that last three times longer

Using a material found in Silly Putty and surgical tubing a group of researchers at the University of California Riverside Bourns College of Engineering have developed a new way to make lithium ion batteries that ... - Read More

Flexible supercapacitor raises bar for volumetric energy density; Could be woven into clothes to power devices

Scientists have taken a large step toward making a fiber like energy storage device that can be woven into clothing and power wearable medical monitors communications equipment or other small electronics The device is a ... - Read More

Super-charged tropical trees: Borneo’s productive trees vitally important for global carbon cycling

A team of scientists has found that the woody growth of forests in north Borneo is half as great again as in the most productive forests of north west Amazonia an average difference of 3.2 ... - Read More

Probing dopant distribution: Opening the door to better doping of semiconductor nanocrystals

The icing on the cake for semiconductor nanocrystals that provide a non damped optoelectronic effect may exist as a layer of tin that segregates near the surface One method of altering the electrical properties of ... - Read More

New tool to investigate the chemistry of nature: Laser-based tabletop setup generates ultrashort XUV light pulses

The Aziz' team at the Joint Laboratory between Freie Universität Berlin and HZB has built a laser based tabletop setup which generates ultrashort XUV light pulses and achieves their monochromatization by implementing special reflection zone ... - Read More

Small-scale, urban allotments yield food, healthy soil, study finds

Soils under Britain's allotments are significantly healthier than intensively farmed soils researchers have found This is the first study to show that by growing at small scale in urban areas it is possible to produce ... - Read More

When things get glassy, molecules go fractal

Colorful church windows beads on a necklace and many of our favorite plastics share something in common they all belong to a state of matter known as glasses School children learn the difference between liquids ... - Read More

'Double-duty' electrolyte enables new chemistry for longer-lived batteries

Researchers at the Department of Energy's Oak Ridge National Laboratory have developed a new and unconventional battery chemistry aimed at producing batteries that last longer than previously thought possible In a study published in the ... - Read More

'Double-Duty' Electrolyte Enables New Chemistry for Longer-Lived Batteries

Researchers at the Department of Energy’s Oak Ridge National Laboratory have developed a new and unconventional battery chemistry aimed at producing batteries that last longer than previously thought possible In a study published in the ... - Read More

First size-based chromatography technique for the study of livi

Using nanodot technology Berkeley Lab researchers have demonstrated the first size based form of chromatography that can be used to study the membranes of living cells This unique physical approach to probing cellular membrane structures ... - Read More

Surface modification of titanium dioxide for photocatalytic degradation of hazardous pollutants under ordinary visible light

UiTM researchers have developed a modified photocatalyst which is economical and effective at transforming organic pollutants into harmless end products Photocatalytic degradation is one of the highly effective applications in transforming organic pollutants to harmless ... - Read More

Deep ocean current may slow due to climate change

Far beneath the surface of the ocean deep currents act as conveyer belts channeling heat carbon oxygen and nutrients around the globe A new study by the University of Pennsylvania's Irina Marinov and Raffaele Bernardello ... - Read More

Magnetic behavior discovery could advance nuclear fusion

Inspired by the space physics behind solar flares and the aurora a team of researchers from the University of Michigan and Princeton has uncovered a new kind of magnetic behavior that could help make nuclear ... - Read More

Texans Are Turning to a Different Kind of Spirit -- Vodka -- and Saltier Is Better

presented in test tubes of course Mason said participants only consumed at most an ounce of vodka because researchers used the “swish and spit” technique popular in wine tastings The results were surprising she said ... - Read More

Harnessing everyday motion to power mobile devices

Imagine powering your cell phone by simply walking around your office or rubbing it with the palm of your hand Rather than plugging it into the wall you become the power source Researchers at the ... - Read More

Energy-dense sugar battery created

Battery, sugar
'Sugar is a perfect energy storage compound in nature ' Y H Percival Zhang said 'So it's only logical that we try to harness this natural power in an environmentally friendly way to produce a ... - Read More

Novel nanotherapy breakthrough may help reduce recurrent heart attacks, stroke

Up to 30 percent of heart attack patients suffer a new heart attack because cardiologists are unable to control inflammation inside heart arteries the process that leads to clots rupturing and causing myocardial infarction or ... - Read More

Refined model for reliable prediction of invasion dynamics

Dynamics
The question how rapidly animals plants or microorganisms can colonize new territories is not only of interest to ecologists the spread of invasive species can also have economic consequences e g in the agricultural sector ... - Read More

Two-proton bit controlled by a single copper atom

Proton, Atom, Atom, Proton, Atom, Proton
Just a single foreign atom located in the vicinity of a molecule can change spatial arrangement of its atoms In a spectacular experiment an international team of researchers was able to change persistently positions of ... - Read More
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