Sabtu, 15 Januari 2011

ScienceDaily Technology Headlines

for Saturday, January 15, 2011

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Living cells used to create 'biotic' video games (January 14, 2011) -- The digital revolution has triggered a wild proliferation of video games, but what of the revolution in biotechnology? Does it have the potential to spawn its own brood of games? A physicist has begun developing "biotic games" involving paramecia and other living organisms. He hopes the games will lead to advances in education and crowd-sourcing of laboratory research while helping to raise the level of public discourse on bio-related issues. ... > full story

Best way to measure dark energy just got better (January 14, 2011) -- Dark energy is a mysterious force that pervades all space, acting as a "push" to accelerate the universe's expansion. Despite being 70 percent of the universe, dark energy was only discovered in 1998 by two teams observing Type Ia supernovae. A Type 1a supernova is a cataclysmic explosion of a white dwarf star. The best way of measuring dark energy just got better, thanks to a new study of Type Ia supernovae. ... > full story

New technique could pinpoint 'Galaxy X': Satellite galaxies located based on the ripples they create in the hydrogen gas (January 14, 2011) -- Many galaxies have smaller satellites, but astronomers can't see them all because many are composed of dark matter. Astronomers have developed a way to find dark satellite galaxies by analyzing the ripples in the hydrogen gas distribution in spiral galaxies. The technique allowed Sukanya Chakrabarti to predict the existence of a satellite of the Milky Way, which is obscured from view because it sits on the opposite side of the galaxy from Earth. ... > full story

Fastest movie in the world recorded: Method to film nanostructures developed (January 14, 2011) -- Processes at a molecular level are minuscule and often extremely fast, and therefore difficult to capture in action. Scientists have taken a good step towards producing a "molecular movie". They can record two pictures at such a short time interval that it will soon be possible to observe molecules and nanostructures in real time. ... > full story

Trapped sunlight cleans water (January 14, 2011) -- High energy costs are one drawback of making clean water from waste effluents. Now a new system that combines two different technologies proposes to break down contaminants using the cheapest possible energy source, sunlight. ... > full story

Driving simulators help older adults improve their road skills (January 14, 2011) -- Older drivers could benefit from training programs that put them behind the wheel -- in a driving simulator, with an observer who helps them develop their skills, according to a new article. ... > full story

Fruit fly nervous system provides new solution to fundamental computer network problem (January 14, 2011) -- The fruit fly has evolved a method for arranging the tiny, hair-like structures it uses to feel and hear the world that's so efficient a team of scientists says it could be used to more effectively deploy wireless sensor networks and other distributed computing applications. ... > full story

New telescope is exploring solar system 'outback' (January 14, 2011) -- In the outer reaches of our solar system lies a mysterious region far more remote and difficult to explore than the Australian outback. It remains the only part of our solar system not visited by spacecraft. A new telescope has begun to virtually explore the solar system outback, and already is scoring discoveries. ... > full story

Rotational motion in living cells: New tool for cell research may help unravel secrets of disease (January 14, 2011) -- Advancements in understanding rotational motion in living cells may help researchers shed light on the causes of deadly diseases, such as Alzheimer's, according to researchers. ... > full story

Taking the pulse of a black hole system (January 14, 2011) -- Astronomers have discovered what drives the "heartbeats" seen in the light from an unusual black hole system. These results give new insight into the ways that black holes can regulate their intake and severely curtail their growth. ... > full story

When metals reach end of life: Researcher develops new method (January 14, 2011) -- Though the prevalence of machinery allowed us to build bigger, travel faster and create more quickly with complexity increasing as science advances, our dependence upon them has limitations. Everything that moves can and will break, especially metals under strain. When they fail, the consequences can be catastrophic. A researcher has developed and proven a novel method to avoid the danger that comes with reaching the breaking point. ... > full story

NASA satellites find high-energy surprises in 'constant' Crab Nebula (January 13, 2011) -- The combined data from several NASA satellites has astonished astronomers by revealing unexpected changes in X-ray emission from the Crab Nebula, once thought to be the steadiest high-energy source in the sky. ... > full story

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