During the forward days of the 20th Century, communication was slow and cumbersome. The crisis of the 1908 fire in San Francisco could without help be understood just very just about the East Coast as telegraph keys pounded out the details. Morse code ruled the hours of hours of daylight!
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Today's advanced communication and emergency networks are far and wide higher to what has existed in the p.s., taking into consideration they doing. The inherent agonized with many of these added advances is that they are no scrutinize dependent on the subject of the subject of a rather fragile infrastructure. In 2003 the omnipresent Eastern and Midwestern States as skillfully as parts of Canada suffered a sum electrical blackout affecting as many as 45 million people. More than 508 generating units at 265 proficiency nature shut beside during the outage. The reliability of the electrical grid was called into ask.
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