24/04/2009

Finland allocates new 4G mobile frequencies

The Finnish government said Friday it has allocated extra frequencies to telecom firms TeliaSonera, Elisa and DNA to run the country's new, faster fourth-generation (4G) mobile network.

Warner: Climate change a national security issue

(AP) -- Former Vice President Al Gore, a leading voice on climate change, urged lawmakers Friday to overcome partisan differences and pass legislation to curb greenhouse gases.

Charities see potential, risk with social networks

(AP) -- Meredith Bowen was getting tired of requests from Facebook friends to exchange make-believe pansies, daffodils and tiny cartoon characters for her "(Lil) Green Patch," a virtual garden that sprouted on her social-networking ...

Chip simulates metabolism of medicine in human body

(PhysOrg.com) -- A tiny electrochemical cell, developed by researchers of the MESA+ Institute for Nanotechnology, The Netherlands, is able to mimick the behaviour of medicine inside a human body. This chip is presented in ...

Tahiti corals clue to 'dynamic' glaciers

(PhysOrg.com) -- Fossilised corals from tropical Tahiti show that the behaviour of ice sheets is much more volatile and dynamic than previously thought, a team led by Oxford University scientists has found.

Quantum cat's 'whiskers' offer advanced sensors

(PhysOrg.com) -- A team led by Oxford University scientists has turned one of the key problems with quantum entangled systems - that they are easily ‘disturbed’ by their environment - into an advantage which promises ...

Power thrust for spider silk

(PhysOrg.com) -- Spiderman would definitely have an easier time of things with this spider silk - for example, if he had to stop a getaway car moving off at 100 kilometres per hour. A five-millimetre-thick thread would do ...

Dogs are aggressive if they are trained badly

Many dogs are put down or abandoned due to their violent nature, but contrary to popular belief, breed has little to do with a dog's aggressive behaviour compared to all the owner-dependant factors. This is shown in a new ...

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