Douglas Adams libro Informe sobre la Tierra: fundamentalmente inofensiva
Serie The Hitchhiker's Guide to the Galaxy (5 libros) <br class="br">Original: «One of the problems has to do with the speed of light and the difficulties involved in trying to exceed it. You can't. Nothing travels faster than the speed of light, with the possible exception of bad news, which obeys its own special laws». <br class="br">Fuente: Mostly Harmless. Volumen 5 de The Hitchhiker's Guide to the Galaxy. Douglas Adams. Colaborador Dirk Maggs. Editorial Pan Macmillan, 2009. ISBN 9780330513203. https://books.google.es/books?id=eBd08nr5J8wC&pg=PT12&dq=One+of+the+problems+has+to+do+with+the+speed+of+light+and+the+difficulties+involved+in+trying+to+exceed+it.+You+can%27t.++Nothing+travels+faster+than+the+speed+of+light,+with+the+possible+exception+of+bad+news,+which+obeys+its+own+special+laws&hl=es&sa=X&ved=0ahUKEwikovKNleTfAhVIlxoKHUPzAUkQ6AEIKDAA#v=onepage&q=One%20of%20the%20problems%20has%20to%20do%20with%20the%20speed%20of%20light%20and%20the%20difficulties%20involved%20in%20trying%20to%20exceed%20it.%20You%20can't.%20%20Nothing%20travels%20faster%20than%20the%20speed%20of%20light%2C%20with%20the%20possible%20exception%20of%20bad%20news%2C%20which%20obeys%20its%20own%20special%20laws&f=false
