A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from heartbeats themselves.

Physics - General Physics

Mar 02, 2012 5 / 5 (1) 3 |

Cancer cells that break free from a tumor and circulate through the bloodstream spread cancer to other parts of the body. But this process, called metastasis, is extremely difficult to monitor because the ...

Chemistry - Biochemistry

Feb 24, 2012 4 / 5 (2) 0

Elpida Memory, the world's third largest Dynamic Random Access Memory ("DRAM") manufacturer, today announced the development of its first-ever high-speed non-volatile resistance memory (ReRAM) prototype. As the ReRAM prototype ...

Technology - Semiconductors

Jan 24, 2012 4 / 5 (4) 1

Photos taken by the researchers show plasma arcs up to 60 meters long casting an eerie blue glow over buildings and trees at the High Voltage Laboratory at the University of Canterbury in New Zealand.

Physics - Plasma Physics

Nov 08, 2011 3.9 / 5 (43) 17 |

Just as a corset improves the appearance of its wearer by keeping everything tightly together, rigidly constraining insulating materials in electrical components can increase their energy density and decrease their rates ...

Physics - Condensed Matter

Oct 25, 2011 5 / 5 (3) 0 |

Molecular Solar Ltd, a spinout company from the University of Warwick, has achieved a significant breakthrough in the performance of solar photovoltaic (PV) cells. They have achieved and demonstrated a record ...

Technology - Energy & Green Tech

Oct 17, 2011 4.1 / 5 (12) 7 |

(PhysOrg.com) -- Crystals and ceramics pale when compared to a material researchers at Oak Ridge National Laboratory discovered that has 10 times their piezoelectric effect, making it suitable for perhaps hundreds of everyday ...

Chemistry - Polymers

Sep 23, 2011 4.9 / 5 (10) 1 |

Engineers at the University of California, Berkeley, have shown that it is possible to reduce the minimum voltage necessary to store charge in a capacitor, an achievement that could reduce the power draw and ...

Physics - Condensed Matter

Sep 12, 2011 4.5 / 5 (11) 17 |

In their search for smaller, faster information-storage devices, physicists have been exploring ways to encode magnetic data using electric fields. One advantage of this voltage-induced magnet control is that less power is ...

Physics - General Physics

Aug 29, 2011 5 / 5 (1) 0

First there was tie-dye, then there was hypercolor. Could piezoelectric fabrics that charge your mobile phone while you wear them be the next big T-shirt fad? That's what the French telecom company, Orange, is counting on, ...

Technology - Energy & Green Tech

Jul 04, 2011 3.6 / 5 (5) 3

(PhysOrg.com) -- What causes a magnet to be a magnet, and how can we control a magnet's behavior? These are the questions that University at Buffalo researcher Igor Zutic, a theoretical physicist, has been ...

Physics - General Physics

May 27, 2011 4.7 / 5 (21) 17 |

The weather determines how much energy wind turbine systems provide. The same applies to power line capacity. On cold and stormy days, this capacity is higher than on days with no wind and high mid-summer ...

Technology - Engineering

May 11, 2011 not rated yet 0

(PhysOrg.com) -- Unlike many conventional chemical detectors that require an external power source, Lawrence Livermore researchers have developed a nanosensor that relies on semiconductor nanowires, rather ...

Nanotechnology - Nanophysics

Apr 06, 2011 5 / 5 (2) 0 |

A new study published in the Annals of Biomedical Engineering shows that a MEMS thermal sensor deployed by an angiogram catheter can detect the earliest stages of atherosclerosis. The MEMS thermal sensor used convective heat t ...

Technology - Engineering

Mar 07, 2011 not rated yet 0

A Duke University team has seen for the first time how soft polymers, such as wire insulation, can break down under exposure to electrical current.

Chemistry - Polymers

Mar 04, 2011 5 / 5 (2) 1 |