What to do after the oil…

In todays world the focus on environmentally friendly energy sources is ever increasing. Perhaps Penrose’s idea from the seventies must be used… I originally wrote the below post for the Facebook page “UiS Cosmology” (https://www.facebook.com/uiscosmology/?fref=nf): In 1971 Penrose and Floyd published a paper suggesting a mechanism to extract energy from a black hole. In theirContinue reading “What to do after the oil…”