22 February 2011

Adding a twist to radio technology - Spiralling radio waves could revolutionize telecommunications

guy on phoneTwisted radio waves could free up more bandwidth for mobile phones and computers.Marcus Mok/Corbis

Bandwidth available to mobile phones, digital television and other communication technologies could be expanded enormously by exploiting the twistedness as well as wavelength of radio waves. 

That is the claim being made by a group of scientists in Italy and Sweden, who have shown how a radio beam can be twisted, and the resulting vortex detected with distant antennas.

Posted via email from colby pre-posterous

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