In reply to Horace Heffner's message of Thu, 7 Aug 2008 16:07:06 -0800: Hi, [snip] > >On Aug 7, 2008, at 2:46 PM, Robin van Spaandonk wrote: > >> In reply to Horace Heffner's message of Thu, 7 Aug 2008 13:37:57 >> -0800: >> Hi, >> >> IIRC nerve cells conduct through a process of K+ Na+ exchange. I >> don't think >> they are electrically very conducting, hence any such signal would >> likely be >> heavily damped, and result mostly in heat. The considerable >> processing power of >> the human brain is due primarily to vast parallel processing, >> rather than a >> "fast" processor. >> > >You assume here electrolytic conduction by ions. Conduction at >microwave frequencies is by surface wave.
Even surface waves need a conductor to travel over the surface of. Regards, Robin van Spaandonk <[EMAIL PROTECTED]>
