Electrical signalling
In 2005 Stephen Salter, emeritus professor of engineering design at the University of Edinburgh, conducted some preliminary research with a view to elucidating a possible mechanism of action of Lissim.
The results, presented in a short paper, are available to download here
Professor Salter, best known for his work relating to wave, tidal and wind energy, has written widely on issues extending well beyond these areas. For further information see
http://www.mech.ed.ac.uk/research/wavepower/Stephen%20Salter/index.htm