On Sat, Aug 25, 2001 at 05:50:59PM -0700, Party of Citizens wrote:
> In 1998 there was an article under that title in New Scientist. It
> reported that the maximum range for quantum communications at that time
> was 500 metres. It did not report the speed at which the signals were
> sent. Does anyone know that speed?
To my knowledge all such experiments have been done using photons, so
the answer is the speed of light in air or fiber optics. More recent
experiments have done quantum crypto over multikilometer distances.
-- ----------------------------------------------------------------------- Anders Sandberg Towards Ascension! asa@nada.kth.se http://www.nada.kth.se/~asa/ GCS/M/S/O d++ -p+ c++++ !l u+ e++ m++ s+/+ n--- h+/* f+ g+ w++ t+ r+ !y
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