> It would of course be silly to argue against the plausible and contend
that,
> barring specific instructions on how to improve upon it, radio-wave
emission
> is the least lossy method that could ever be conceived. If such specific
> instruction were on hand now and could be understood, then we would have
> leapt past untold centuries or millennia of evolution.
A case could be made that the least lossy method we now know of is laser
communications. At least for communications through the relative void of
space. The eirp is much higher. The receiving aperatures are much smaller.
John Marcus.