And do not assume all ETI come from or live on planets
After almost fifty years of SETI, we are just now becoming a bit bolder
and more outside-the-box in our search efforts, and even then it is still
not nearly enough.
http://www.orionsarm.com/civ/Dyson_Spheres.html
Bigger scopes, bigger transmitters, and interstellar vessels are what is
needed to get us out of this five decade trial period.
