You can optimise for speed, power consumption or memory use & tiny changes can have a negligible or huge impact, but what should you optimise and most importantly, when? Dr Steve Bagley has an example! https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer...

Mike talks through a binary search bug that was undiscovered for years! https://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: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile....

Legendary cyber-security expert Professor Gene Spafford joins us to try to define what cyber-security even is! "Spaf" as he's known, is a faculty member at Purdue University and now Honorary Professor at the University of Nottingham. Dr Spafford is a Fellow of the American Academy of Arts and Sciences, the Association for the Advancement of Science,...

Programs aren't capable of generating true random numbers, so how can we? Are they even useful? Dr Valerio Giuffrida demonstrates how to get a true random number from most computers. https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University...

Back to basics as Dr Mike Pound explains a simple but incredibly useful algorithm, binary search. #algorithm #ComputerScience https://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: https://bit.ly/nottscomputer ...

Share part of a secret without knowing which part? Dr Tim Muller explains how Oblivious Transfer works. https://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: https://bit.ly/nottscomputer Computerphile is a sister...