News tagged with manganese oxide

Methane-eating microbes can use iron and manganese oxides to 'breathe'

Jul 09, 2009 | 4.6 / 5 (5) | 0

Iron and manganese compounds, in addition to sulfate, may play an important role in converting methane to carbon dioxide and eventually carbonates in the Earth's oceans, according to a team of researchers ...

Flower-shaped nanoparticles may lead to better batteries for portable electronics

Nanotechnology / Nanomaterials

Sep 15, 2008 | 4.3 / 5 (18) | 4

Want more power and longer battery life for that cell phone, laptop, and digital music player? "Flower power" may be the solution. Chemists are reporting development of flower-shaped nanoparticles with superior electronic ...

Search results for manganese oxide

How crystal becomes a conductor

Physics / Condensed Matter

Feb 05, 2008 | 4.5 / 5 (22) | 1

Squeeze a crystal of manganese oxide hard enough, and it changes from an electrical insulator to a conductive metal. In a report published online this week by the journal Nature Materials, researchers use computational modeli ...

For clean air

Chemistry /

Mar 30, 2007 | 4 / 5 (1) | 0

In addition to nitrogen oxides and sulfur oxides, many volatile organic compounds (VOCs) in air contribute to smog and high ozone levels, as well as potentially damaging human health. Clean-air laws are thus rightly continuing ...

Rare Minerals Illuminate 17,000-year old Questions

Other Sciences / Archaeology & Fossils

Mar 16, 2007 | 4.2 / 5 (22) | 0

Scientists learned it straight from the bull's muzzle: cave painting shows evidence of ancient trade. In collaboration with French museums and research facilities, Stanford researchers have found evidence of ...

Environmental manganese good in trace amounts but can correlate to cancer rates

Medicine & Health / Cancer

Jul 10, 2009 | 5 / 5 (1) | 0

In the first ecological study of its kind in the world, a Wake Forest University Baptist Medical Center researcher has uncovered the unique finding that groundwater and airborne manganese in North Carolina correlates with ...

Better Insight into Brain Anatomical Structures

Medicine & Health / Research

May 29, 2007 | 4 / 5 (1) | 0

Magnetic resonance imaging is a very effective method for revealing anatomical details of soft tissues. Contrast agents can help to make these images even clearer and allow physiological processes to be followed in real time. ...

Better insight into brain anatomical structures

Nanotechnology / Nanomaterials

Jun 15, 2007 | 4 / 5 (7) | 0

Batteries get a (nano)boost

Nanotechnology / Nanophysics

Feb 09, 2009 | 5 / 5 (12) | 1

Need to store electricity more efficiently? Put it behind bars. That's essentially the finding of a team of Rice University researchers who have created hybrid carbon nanotube metal oxide arrays as electrode material that ...

The structure of lithium nickel manganese oxide

Researchers power up new lithium battery for hybrid cars

Physics /

Feb 16, 2006 | 4.8 / 5 (48) | 0

Researchers at MIT have developed a new type of lithium battery that could become a cheaper alternative to the batteries that now power hybrid electric cars.

Let there be light: Teaching magnets to do more than just stick around

Nanotechnology / Nanophysics

Aug 20, 2009 | 4.8 / 5 (6) | 3

(PhysOrg.com) -- That palm tree magnet commemorating your last vacation is programmed for a simple function - to stick to your refrigerator. Similarly, semiconductors are programmed to convey bits of information small and ...