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"The making of the cosmos by black holes is the subject of a new book, &amp;ldquo;Gravity&amp;rsquo;s Engines,&amp;rdquo; by Caleb Scharf. It is subtitled &amp;ldquo;How Bubble-blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos.&amp;rdquo; Scharf leaves us with a description of black holes that are more than just huge vacuum cleaners that suck in everything in sight, including light. Scharf writes that &amp;ldquo;no other object in the universe is so efficient at converting matter into energy...A black hole is&amp;hellip;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wenatcheeworld.com/news/2013/oct/30/wilf-woods-gazing-at-the-nightsky-book-in-hand/>