https://web.archive.org/web/20151003080252/http://news.discovery.com/space/a-seti-search-for-black-hole-power-plants-121121.htm https://web.archive.org/web/2015

https://web.archive.org/web/20151003080252/http://news.discovery.com/space/a-seti-search-for-black-hole-power-plants-121121.htm https://web.archive.org/web/20151003080252/http://news.disco... Please note this page is about a decade old, many links do not work; mentions making a solar array with the area of Arizona for bootstrapping, but a Starshot approach with 3 satellites around the "natural" black hole for the first ergosphere superradiant scattering pump would be less work assuming a candidate is relatively close. Credits: https://blackholes.stardate.org/popculture/pop-imperial-earth-arthur-clark.html https://blackholes.stardate.org/popculture/pop-imperial-eart...