Archive: 12/20/2010

Make your own flake

With little more than a plastic soda bottle, some fishing line, a sponge, and dry ice, anyone can make it snow, make it snow, make it snow... one flake at a time.

dateDec 20, 2010 in Other
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Milestone: A methane-metal marriage

(PhysOrg.com) -- University of Arizona scientists have inserted metal atoms into methane gas molecules and obtained a detailed structure of the resulting molecule. The discovery could be a key step in making ...

dateDec 20, 2010 in Materials Science
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Foursquare location service adds comment, photos

(AP) -- Foursquare, a popular location-sharing service for smart phones, is now letting you upload a photo of that tasty burger you're about to bite into. You can also let your friend know, through a comment on his recent ...

dateDec 20, 2010 in Internet
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Recycling pacemakers could save lives in needy countries

In the United States, pacemakers cost $10,000 to $50,000 to implant. About 100,000 Americans undergo the surgery each year. These life-saving devices, however, are mostly discarded in medical waste or buried with people when ...

dateDec 20, 2010 in Health
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How often do giant black holes become hyperactive?

(PhysOrg.com) -- A new study from NASA's Chandra X-ray Observatory tells scientists how often the biggest black holes have been active over the last few billion years. This discovery clarifies how supermassive ...

dateDec 20, 2010 in Astronomy
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Doctors use sick boy's DNA in diagnosis, treatment

Doctors and scientists in Wisconsin have published the first detailed account of a groundbreaking medical case in which they sequenced all the genes of a very sick young boy from Monona, Wis., and used the information to ...

dateDec 20, 2010 in Genetics
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Magnetic fields on O-Class stars

The primary method by which astronomers can measure magnetic field strength on stars is the Zeeman effect. This effect is the splitting of spectral lines into two due to the magnetic field's effect on the ...

dateDec 20, 2010 in Astronomy
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