# #Mon Aug 09 12:03:52 CEST 2010 Text__S19kYKOdEd-WfYQ0GneCwQ_title='Explosion' of the internet ... Text__S19kYKOdEd-WfYQ0GneCwQ_text=... calls for a data transfer rate that cannot be managed for long using conventional copper transmission lines.

Their replacement by glas fibers has been much advanced in industrial countries.

These fibres are extremely thin, the information is transmitted by optical means using laser radiation.

To avoid disturbances by normal light, Infrared lasers are used.