<span>Gutenberg was instrumental in changing the speed at which the worldcommunicated. Prior to Gutenberg adding several changes together, to wind upwith his version of the 'printing press'. There were several 'ideas' thatpreceded him. The first advance was the use of block letters in a fixed frame,Then came the idea of moving the paper into and out of the press. Finally, wasthe use of a molton metal (Lead-tin Mixture) that allowed for the Type Patternto be recycled for every letter that was needed. The copying by hand , theprevious editions of 'the book', was a laborious process that required manyhands to copy out the text onto linen 'pages', and to make sure that what waswritten ,was accurate. [errors did crop in ocassionally]. Finally the scribeswere very upset when Gutenberg was able to reproduce texts faster than anyscribe was able to set about copying a volume of 100 pages or so(The Boook of.....) So while it would take up to 6 months to finish one copy of a book,Gutenberg was able to produce hundreds in 6-8weeks time. He was vilified in thelocal village gossip for causing the scribes to loose their work, but he felt itwas his christian duty to promote this 'invention' for everyone. In somerespects the church was not happy,but in others the church elders were happythat he donated time to spreading the word(s) of those books. AS the Book ofthe BIBLE was able to be reproduced in larger and larger quantities Gutenbergwas able to bring the costs down. SO as the costs became less, then more andmore people were able to afford (or were giver a copy aspart of their 'NEW lifetogether' as in a Marriage, then the copies were handed down through thegenerations. This enabled more people top read the books of the Bible.</span>
Answer:
On August 2, 1939, Albert Einstein sent a letter to President Roosevelt warning him of the certain possibility that the Nazi regime in Germany was developing the necessary technology to create weapons of mass destruction, specifically, high impact nuclear bombs. In addition, in this letter Einstein urged the president to develop the same type of technology, in order to counter the eventual fire power that Germany could reach if it achieved its objective.
