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News articles about "Carbon"

Rolling 'neat' nanotube fibers: Acid-free approach leads to strong conductive carbon threads

The very idea of fibers made of carbon nanotubes is neat but Rice University scientists are making them neat literally The single walled carbon nanotubes in new fibers created at Rice line up like a ... - Read More

New species of electrons can lead to better computing

In a research paper published this week in Science the collaboration led by MIT's theory professor Leonid Levitov and Manchester's Nobel laureate Sir Andre Geim report a material in which electrons move at a controllable ... - Read More

Moving silicon atoms in graphene with atomic precision

Richard Feynman famously posed the question in 1959 is it possible to see and manipulate individual atoms in materials For a time his vision seemed more science fiction than science but starting with groundbreaking experiments ... - Read More

Environmental costs, health risks, and benefits of fracking examined

A strange thing happened on the way to dealing with climate change Advances in hydraulic fracturing put trillions of dollars' worth of previously unreachable oil and natural gas within humanity's grasp The environmental costs and ... - Read More

Astrophysicists to probe how early universe made chemical elements

In the beginning all was hydrogen and helium plus a bit of lithium Three elements in all Today's universe however has nearly a hundred naturally occurring elements with thousands of variants isotopes and more likely ... - Read More

Advancing understanding of graphene's friction properties

An interdisciplinary team of engineers from the University of Pennsylvania has made a discovery regarding the surface properties of graphene the Nobel prize winning material that consists of an atomically thin sheet of carbon atoms ... - Read More

Graphene paints a corrosion-free future: Keep food fresh longer?

A thin layer of graphene paint can make impermeable and chemically resistant coatings which could be used for packaging to keep food fresh for longer and protect metal structures against corrosion new findings from The ... - Read More

New NASA probe will study Earth's forests in 3-D

A laser based instrument being developed for the International Space Station will provide a unique 3 D view of Earth's forests helping to fill in missing information about their role in the carbon cycle Called ... - Read More

Agricultural revolution in Africa could increase global carbon emissions

Productivity boosting agricultural innovations in Africa could lead to an increase in global deforestation rates and carbon emissions a Purdue University study finds Historically improvements in agricultural technology have conserved land and decreased carbon emissions ... - Read More

How conversion of forests to cropland affects climate

The conversion of forests into cropland worldwide has triggered an atmospheric change that while seldom considered in climate models has had a net cooling effect on global temperatures according to a new Yale study Writing ... - Read More

Sharks in acidic waters avoid smell of food

The increasing acidification of ocean waters caused by rising atmospheric carbon dioxide levels could rob sharks of their ability to sense the smell of food a new study suggests Elevated carbon dioxide levels impaired the ... - Read More

Carbon dioxide concentration surges: Record greenhouse gas levels impact atmosphere and oceans, WMO report finds

The amount of greenhouse gases in the atmosphere reached a new record high in 2013 propelled by a surge in levels of carbon dioxide This is according to the World Meteorological Organization's annual Greenhouse Gas ... - Read More

First graphene-based flexible display produced

A flexible display incorporating graphene in its pixels' electronics has been successfully demonstrated by the Cambridge Graphene Centre and Plastic Logic the first time graphene has been used in a transistor based flexible device The ... - Read More

How to estimate energy footprint in highways

Researchers at the Universidad Politécnica de Madrid have developed an application to estimate energy footprint in highways This application software HERA was developed by researchers of The Transport Research Centre TRANSyT at the Universidad Politécnica ... - Read More

Doped graphene nanoribbons with potential

Graphene possesses many outstanding properties it conducts heat and electricity it is transparent harder than diamond and extremely strong But in order to use it to construct electronic switches a material must not only be ... - Read More

Phosphorus a promising semiconductor: Physicists find 2-D form pays no heed to defects

Defects damage the ideal properties of many two dimensional materials like carbon based graphene Phosphorus just shrugs That makes it a promising candidate for nano electronic applications that require stable properties according to new research ... - Read More

Buckyballs and diamondoids in tiny electronic gadget: Two exotic types of carbon form molecule for steering electron flow

Scientists have married two unconventional forms of carbon one shaped like a soccer ball the other a tiny diamond to make a molecule that conducts electricity in only one direction This tiny electronic component known ... - Read More

Ultra sensitive biosensor from molybdenite semiconductor: Potential for single-molecule detection

UC Santa Barbara researchers demonstrate atomically thin ultrasensitive and scalable molybdenum disulfide field effect transistor based biosensors and establish their potential for single molecule detection Move over graphene An atomically thin two dimensional ultrasensitive semiconductor ... - Read More

Life forms appeared at least 60 million years earlier than previously thought

Geologists from Trinity College Dublin have rewritten the evolutionary history books by finding that oxygen producing life forms were present on Earth some 3 billion years ago a full 60 million years earlier than previously ... - Read More

Ozone pollution in India kills enough crops to feed 94 million in poverty

In one year India's ozone pollution damaged millions of tons of the country's major crops causing losses of more than a billion dollars and destroying enough food to feed tens of millions of people living ... - Read More
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