According to today's BBC website, a twentysix Tbs data rate using a single= =20 laser beam has been demonstrated. This is achieved by encoding a number of= =20 colours into short pulses and decoding them at the receiving end by use of= =20 a FFT method. The method is describe at BBC article Colin -- cdb, 3/07/2009 =20 -- colin@btech-online.co.uk --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .