单词	ergosphere
释义	ergosphere /ˈəːɡəʊsfɪə / noun Astronomy A postulated region round a black hole, from which energy could escape.If we ever come across a black hole in the future, and provided we are sufficiently technologically advanced, we may be able to utilise the ergosphere of a black hole to extract energy.... A global observer sees a region around rotating black holes, called the ergosphere, as possibly bending electromagnetic radiation according to a negative refractive index. Each quantum a heavily compressed package of that essential single substance, locked forever inside the tiny ergosphere that it created for itself.
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