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SCIENCE IN THE NEWS WEEKLY

Technology: New Developments in Earthquake Warnings

Earthquake alert systems were in the news last week. NASA scientists say a possible correlation between electrical disturbances in the atmosphere and impending earthquakes could lead to a space-based early warning system. But some scientists remain "deeply skeptical" about the basic premise.

Meanwhile, a new earthquake early warning system in Japan has gotten off to a rocky start. The system was designed to give two-minute warnings of approaching shock waves, but either missed or was late in sounding the alarm over recent quakes.

In other technology news, scientists have inserted a small piece of DNA into a living bacterial cell, creating a microbial computer to solve a mathematical sorting problem. The study was published in the Journal of Biological Engineering.

Technology giants say they could provide much faster wireless Internet access via unused bandwidth between TV channels. But media leaders are concerned that using those buffers for cell phone and Internet traffic could cause problems for TV signals when they go digital next year.

A preliminary study found that a device that sucks blood clots out of the coronary arteries of heart patients prior to angioplasty reduces the one-year death rate by nearly half. The new devices are already being used in many large medical centers.

Experts say new factories that process quartz into polysilicon will end a shortage of the raw material for solar panels. As a result, the price of solar panels could drop by as much as a third by 2010, which is good news for a promising energy alternative that remains expensive.


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Latest Multimedia

VIDEO: The Promise and Peril of Drones

CummingsDrones

The automation of tasks at work and at home is just around the corner, including driving cars, piloting planes, delivering packages, and transporting weapons. Unmanned aerial vehicles are rapidly evolving to meet both society’s and the military’s needs in automation and better efficiency.
During her time as one of the first female fighter pilots in the US Navy, Dr. Missy Cummings observed that computers could take off and land a plane more precisely than humans. Because of this breakthrough and her fascination with this growing technology, she began human–drone interaction research.

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