starship

Gamma Ray Telescopes could Detect Starships Powered by Black Hole

Gamma Ray Telescopes could Detect Starships Powered by Black Hole

In the course of looking for possible signs of Extra-Terrestrial Intelligence (ETI), scientists have had to do some really outside-of-the-box thinking. Since it is a foregone conclusion that many ETIs would be older and more technologically advanced than humanity, those engaged in the Search for Extra-Terrestrial Intelligence (SETI) have to consider what a more advanced species would be doing.