25/02/2009

The sun is a star when it comes to sustainable energy

At a national scientific meeting last week where biofuels - principally ethanol - were uniformly trashed as an environmental train wreck, one bright, carbon-free light gleamed in our energy future: the sun.

Scientists Create Innovative Listening Device to Track Wolves

Tracking the elusive wolves of Idaho is a costly and exhaustive endeavor. The shadowy animals inhabit some of Idaho’s - and the country’s - most rugged and isolated terrain. The average pack of seven animals ranges across ...

Cross-Dressing Rubidium May Reveal Clues for Exotic Computing

(PhysOrg.com) -- Neutral atoms--having no net electric charge--usually don't act very dramatically around a magnetic field. But by “dressing them up” with light, researchers at the Joint Quantum Institute, a collaborative ...

Random Antenna Arrays Boost Emergency Communications

(PhysOrg.com) -- First responders could boost their radio communications quickly at a disaster site by setting out just four extra transmitters in a random arrangement to significantly increase the signal power at the receiver, ...

Nanotechnologists Gain Powerful New Materials Probe

(PhysOrg.com) -- Researchers at the National Institute of Standards and Technology and The Johns Hopkins University have constructed a unique tool for exploring the properties of promising new materials with unprecedented ...

Major Yahoo reorganization looms

Yahoo's new chief executive, Carol Bartz, is set to announce a major reorganization of the company, sources say, raising expectations that the stumbling Internet giant may get back on track after a punishing year.

Bizarre bird behavior predicted by game theory

A team of scientists, led by the University of Exeter, has used game theory to explain the bizarre behaviour of a group of ravens. Juvenile birds from a roost in North Wales have been observed adopting the unusual strategy ...

page 4 from 5