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Published online 18 January 2001 | Nature | doi:10.1038/news010118-8
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Information goes round the bend
The data capacity of cellphone networks can be expanded by harnessing bouncing signals.
Space is pretty much full up, as far as telecommunications goes. With TV and radio stations, and now cellphone networks jostling to broadcast, it is hard to find a wavelength that has not already been claimed.
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