Twitter on Wednesday launched a new political index aimed at gauging the 2012 US presidential race by analyzing daily tweets.
Towards miniaturization of metamaterials: Reluctant electrons enable 'extraordinarily strong' negative refraction
Researchers at the Harvard School of Engineering and Applied Sciences have demonstrated a drastically new way of achieving negative refraction in a metamaterial. The advance, reported in the Aug. 2 issue of Nature, results ...
A ratings system developed by a group of Kansas State University researchers could keep bridges safer and help prevent catastrophic collapses.
Droughts are more than simply climate phenomena. They can have profound social, environmental, and economic impacts and can also be a major threat to food security throughout the world. Though much progress has been made ...
(Phys.org) -- Fuel economy of all new vehicles sold in the United States has dropped for the third month in a rowlikely reflecting the continuing reduction in gas prices, say researchers at the University of Michigan ...
(Phys.org) -- Research analyzing 235 types of rice from around the world has found its glycemic index (GI) varies from one type of rice to another with most varieties scoring a low to medium GI.
(AP) -- The Texas attorney general is accusing Google of improperly withholding evidence to stymie an investigation into whether the company has been abusing its dominance of Internet search.
(Phys.org) -- Inexpensive, portable devices that can rapidly screen cells for leukemia or HIV may soon be possible thanks to a chip that can produce three-dimensional focusing of a stream of cells, according to researchers.
(AP) -- If you were thinking of picking up a few shares of Facebook last week, when it went public at a price of $38, you might be seriously tempted now that the stock has fallen $7 in two days.
Scientists discover that certain materials like silicon or gold exhibit a surprisingly large refractive index for extremely high energetic gamma-rays.