23/09/2009

International scientists set boundaries for survival

Human activities have already pushed the Earth system beyond three of the planet's biophysical thresholds, with consequences that are detrimental or even catastrophic for large parts of the world; six others may well be crossed ...

Physicists make discovery in quantum mechanics

(Santa Barbara, Calif.) -- Physicists at UC Santa Barbara have made an important advance in quantum mechanics using a superconducting electrical circuit. The finding is reported in this week's issue of the journal Nature.

Component of asphalt eyed as new fuel source

The pavement material that cars drive on may wind up in their fuel tanks as scientists seek ways of transforming asphaltenes -- the main component of asphalt -- into an abundant new source of fuel, according to the cover ...

IBM offers low-cost computing solution for Africa

US computer giant IBM and South Africa's Canonical on Wednesday announced the launch of a Web-based service aimed at helping African businesses that cannot afford traditional personal computers.

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