On 27/01/11 22:46, Kevanf1 wrote:
Just to show my age :-) I remember my complete scepticism when they
were first put forward as a theory... back in about 1997 if I recall.
The idea goes back a lot father than that Kevan. I remember a home
automation system based around a Commodore 64 where the different
components communicated over the mains. That would have been around 1986.
Google tells me it was also available for the Spectrum. Here's a page
about it:
http://www.worldofspectrum.org/hardware/feat34.html