12th November 2011, 6:14 PM
I think this explains it:
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<iframe width="480" height="360" src="http://www.youtube.com/embed/FyyL1VAs4mQ" frameborder="0" allowfullscreen></iframe>
"On two occasions, I have been asked [by members of Parliament], 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able to rightly apprehend the kind of confusion of ideas that could provoke such a question." ~ Charles Babbage (1791-1871)