A power source for your mobile phone can now be as close as the nearest tap, stream, or even a puddle, with the world's first water-activated charging device.

Technology - Energy & Green Tech

Apr 18, 2013 4.7 / 5 (13) 10 |

For several decades antimony electrodes have been used to measure the acidity/basicity – and so to determine the pH value. Unfortunately, they allow for measuring pH changes of solutions only at a certain ...

Chemistry - Materials Science

Dec 18, 2012 not rated yet 0

(Phys.org)—A new method for creating very thin layers of materials at the atomic scale, reported in the latest issue of the journal Science, could "unlock an important new technology" for creating nanoma ...

Nanotechnology - Nanophysics

Dec 06, 2012 4.7 / 5 (7) 2 |

National Physical Laboratory scientists have developed an innovative fuel cell reference electrode that has been used to map changes in electrode potential inside a working polymer electrolyte membrane (PEM) ...

Chemistry - Materials Science

Mar 20, 2012 4.7 / 5 (3) 0

Ever since the NASA Viking mission, which reached Mars in 1976, there has been considerable interest in the composition of Martian soils.

Space & Earth - Space Exploration

Aug 18, 2011 5 / 5 (4) 1

(PhysOrg.com) -- Rice University researchers have moved a step closer to creating robust, three-dimensional microbatteries that would charge faster and hold other advantages over conventional lithium-ion batteries. ...

Nanotechnology - Nanophysics

Dec 09, 2010 5 / 5 (8) 1 |

A new propulsion method for metallic micro- and nano-objects has been developed by French researchers from the Institute of Molecular Sciences. The process is based on the novel concept of bipolar electrochemistry: ...

Chemistry - Other

Nov 04, 2010 5 / 5 (2) 1

(PhysOrg.com) -- Arizona State Univeristy scientist N.J. Tao and his colleagues at the Biodesign Institute have hit on a new, versatile method to significantly improve the detection of trace chemicals important ...

Chemistry - Analytical Chemistry

Mar 11, 2010 4 / 5 (1) 0 |

(PhysOrg.com) -- A new carbon support that greatly increases the durability of proton-exchange membrane fuel cells has been developed by scientists at Pacific Northwest National Laboratory and Princeton University. ...

Nanotechnology - Nanomaterials

Dec 17, 2009 3 / 5 (2) 0

Scientists at The University of Nottingham have overcome one of the significant research challenges facing electrochemists. For the first time they have found a way of probing right into the heart of an electrochemical reaction.

Chemistry - Materials Science

Sep 28, 2009 5 / 5 (4) 0