A little bit of magic - bootstrapping, allows the separation of code and machine, allowing one single piece of code to run on many different machines. Professor Tom Rodden introduces the idea.
EXTRA BITS - Complexity: http://youtu.be/sn5QpZornj0
Reverse Polish and Stacks: Coming Soon
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This video by Sean Riley and Brady Haran.
Computer Science at the University of Nottingham: http://bit.ly/nottscomputer
Computerphile is a sister project to Brady Haran's Numberphile. See the full list of Brady's video projects at: http://bit.ly/bradychannels
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Computerphile