Anyone who finds this interesting would also probably find this interesting:  <a href="http:&#x2F;&#x2F;accelerating.org&#x2F;articles&#x2F;transcensionhypothesis.html" rel="nofollow">http:&#x2F;&#x2F;accelerating.org&#x2F;articles&#x2F;transcensionhypothesis.html</a><p>The author thinks &quot;black hole technology&quot; ends up being very important in the development of advanced civilizations and offers a solution to the Fermi paradox (essentially, some black holes and other dense objects are better Dyson spheres used by post brain upload civilizations).