Heat directly into electricity; quantum dots; black holes secrets
Date: Monday, March 07, 2005 @ 21:50:32 GMT
Topic: Science


SCIENTISTS GROW THERMOELECTRIC COBALTATE THIN FILMS ON SILICON, March 07
Thin films made of so-called thermoelectric materials could be used to convert heat directly into electric energy, or vise versa, for a variety of applications, including micro-chip-based chemical and biological sensors and more-efficient ways to cool computer chips. Thermoelectrics also hold promise for clean-energy generation because they transform heat into electrical energy without producing carbon dioxide or other emissions.

Full story at http://www.physorg.com/news3292.html

QUANTUM DOT THIN FILMS WITH GOAL TO INCREASE THERMOELECTRIC EFFICIENCIES, March 07
Evident Technologies announced it has received an SBIR (Small Business Innovation Research) grant from the Office of Strategic Defense for a project to develop a high performance thermoelectric material using Evident's proprietary quantum dot technology. The quantum dot thermoelectric project is scheduled to be completed in June of 2005. Dr. Gregory Scholes of the University of Toronto will be collaborating with Evident Technologies to measure and characterize these materials.

Full story at http://www.physorg.com/news3274.html

SURPRISING NEWS ABOUT BLACK HOLES, March 07
Computer reveals that life around black holes is turbulent and violent

For more than 30 years, astrophysicists have believed that black holes can swallow nearby matter and release a tremendous amount of energy as a result. Until recently, however, the mechanisms that bring matter close to black holes have been poorly understood, leaving researchers puzzled about many of the details of the process.

Full story at http://www.physorg.com/news3277.html





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