If Aliens Have Built Dyson Spheres Or Ringworlds Nearby, How Would We Detect Them?
The old approach to finding alien life, looking for radio signals, may be played out. New approaches are getting a lot more public attention, judging from a new Economist article and Paul Davies’ new book, The Eerie Silence. Sub-titled ‘Renewing Our Search for Alien Intelligence,’ Davies’ book is making accessible to the general public the…
io9
Paul Gilster - Centauri Dreams