01/10/2012

Solar cells made from black silicon

Solar cells convert three-quarters of the energy contained in the Sun's spectrum into electricity – yet the infrared spectrum is entirely lost in standard solar cells. In contrast, black silicon solar cells are specifically ...

Determining toothpaste abrasion

There are various types of toothpaste available on the market. They come as pastes and gels, there are some that guard against tooth decay or protect teeth from acid attack, others that are designed for sensitive teeth. But ...

Consumer confidence posts a significant gain in September

Consumer confidence improved substantially in September due to more favorable prospects for the national economy, according to University of Michigan economist Richard Curtin, director of the Thomson Reuters/University of ...

Saturn's moon Titan shows surprising seasonal changes

(Phys.org)—Detailed observations of Saturn's moon Titan have now spanned 30 years, covering an entire solar orbit for this distant world. Dr Athena Coustenis from the Paris-Meudon Observatory in France has analysed data ...

Sharp begins production of 5-inch full-HD LCD panels

Sharp Corporation has started production of 5-inch full-HD (1,080 x 1,920 pixels, 443 ppi) LCD panels for smartphones with a pixel density among the highest in the world. Production began at the end of September and full-scale ...

NASA spacecraft records 'Earthsong'

Nobody ever said anything about singing, though. A NASA spacecraft has just beamed back a beautiful song sung by our own planet.

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