20/12/2010

Students' water-testing tool wins $40,000, launches nonprofit

University of Washington engineering students have won an international contest for their design to monitor water disinfection using the sun's rays. The students will share a $40,000 prize from the Rockefeller Foundation ...

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.

World's first buyer of all-electric Nissan Leaf takes car home

Whooshing down Highway 101 toward his home in Redwood City, Calif., from San Francisco on Saturday afternoon, Olivier Chalouhi was a happy man - the world's first buyer of the all-electric Nissan Leaf to take possession of ...

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 hydrocarbons ...

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 ...

Which smart phone works for you?

The best-selling tech item around the world is a cell phone and, for the last two years, it's been all about the smart phone, the device that puts the Internet in your pocket.

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 black holes ...

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