Just what is a pipeline in the computer science sense? We asked Computer Science guru Professor Brian Kernighan Why Asimov's Laws of Robotics Don't Work: https://www.youtube.com/watch?v=7PKx3kS7f4A Brian Kerninghan on Bell Labs: https://www.youtube.com/watch?v=QFK6RG47bww Don Knuth on Email: https://www.youtube.com/watch?v=QS8qwMna8_o Computer That Changed Everything: https://www.youtube.com/watch?v=6LYRgrqJgDc http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com/