News tagged with molecular carbon

New way to break some of the strongest chemical bonds

(PhysOrg.com) -- Scientists at Cornell University in the U.S. have found a new way of breaking two of the strongest chemical bonds, at ambient temperature and pressure, and this breakthrough could lead to ...

Chemistry / Materials Science

created Dec 16, 2009 | popularity 4.6 / 5 (24) | comments 0 weblog

Star Light, Star Bright, Its Explanation is Out of Sight

(PhysOrg.com) -- A mysterious flash of light from somewhere near or far in the universe is still keeping astronomers in the dark long after it was first detected by NASA's Hubble Space Telescope in 2006. It ...

Space & Earth / Astronomy

created Jan 06, 2009 | popularity 4.6 / 5 (14) | comments 11

The day the algae died

The P-T mass extinction may have been instigated by populations of algae dying. According to one group of scientists, this die-off of large numbers of relatively simple life forms caused a crash in the ocean's ...

Space & Earth / Earth Sciences

created Dec 14, 2010 | popularity 4.1 / 5 (13) | comments 8 | with audio podcast

Study shows how carbon nanotubes can affect lining of the lungs

(PhysOrg.com) -- Carbon nanotubes are being considered for use in everything from sports equipment to medical applications, but a great deal remains unknown about whether these materials cause respiratory ...

Nanotechnology / Bio & Medicine

created Oct 25, 2009 | popularity 4.8 / 5 (10) | comments 1

Michigan Tech Team Models Molecular Transistor

(PhysOrg.com) -- Electronic gadgetry gets tinier and more powerful all the time, but at some point, the transistors and myriad other component parts will get so little they won't work. That's because when ...

Nanotechnology / Nanophysics

created Aug 13, 2009 | popularity 4.3 / 5 (9) | comments 3

Researchers invent a switch that could improve electronics

Researchers at the University of Pittsburgh have invented a new type of electronic switch that performs electronic logic functions within a single molecule. The incorporation of such single-molecule elements could enable ...

Nanotechnology / Nanophysics

created Dec 01, 2011 | popularity 4.8 / 5 (8) | comments 1 | with audio podcast

Hydrogen opens the road to graphene ... and graphane

(PhysOrg.com) -- An international research team has discovered a new method to produce belts of graphene called nanoribbons. By using hydrogen, they have managed to unzip single-walled carbon nanotubes. The ...

Nanotechnology / Nanomaterials

created May 09, 2011 | popularity 5 / 5 (7) | comments 3 | with audio podcast

Magnetic fields in interstellar clouds

(PhysOrg.com) -- Magnetic fields play an important role in the formation and evolution of stars, as they stretch around a hot medium like a rubber band and help to determine the flow of material onto or away ...

Space & Earth / Astronomy

created Mar 25, 2011 | popularity 3.6 / 5 (7) | comments 5 | with audio podcast

Studying a Star Before it is Born

(PhysOrg.com) -- The first phase of a star's formation are thought to begin deep inside a natal cloud of gas and dust. In the earliest stages, material coalesces under the influence of gravity into so-called ...

Space & Earth / Astronomy

created Dec 04, 2009 | popularity 4.6 / 5 (5) | comments 1

Current view of soil-climate interaction too simplistic, warn scientists

(PhysOrg.com) -- Assumptions over the rate at which soil bacteria will break down carbon in the face of global warming must be re-addressed, according to some of the world’s leading experts.

Space & Earth / Environment

created Oct 05, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Cosmic calculations: Advance will help astrophysicists explore where stars are born

A University of Delaware-led research team reports an advance in the June 1 issue of Science that may help astrophysicists more accurately analyze the vast molecular clouds of gas and dust where stars are bo ...

Space & Earth / Astronomy

created May 31, 2012 | popularity 4.8 / 5 (4) | comments 1 | with audio podcast

New research provides blueprint for molecular basis of global warming

A new study indicates that major chemicals most often cited as leading causes of climate change, such as carbon dioxide and methane, are outclassed in their warming potential by compounds receiving less attention.

Chemistry / Materials Science

created Nov 17, 2009 | popularity 4 / 5 (4) | comments 3

Nanotube risk assessment

Italian scientists suggest that we need a much more detailed toxicological approach to hazard assessment before judgement regarding the long-term safety of carbon nanotubes can be made. They outline their results in the International Jo ...

Nanotechnology / Bio & Medicine

created Sep 18, 2009 | popularity 3.8 / 5 (4) | comments 0

The undead may influence biodiversity, greenhouse gas emissions

It's commonly known, at least among microbiologists, that microbes have an additional option to living or dying -- dormancy.

Biology / Cell & Microbiology

created Jan 26, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Oscillating layers of molecules on liquid's surface influence carbon capture

Two tiny molecular layers in a liquid that traps carbon dioxide constantly swap places, influencing how much of the greenhouse gas is absorbed, according to scientists at Pacific Northwest National Laboratory, ...

Chemistry / Materials Science

created Nov 22, 2010 | popularity 5 / 5 (2) | comments 1 | with audio podcast