When the World Wide Web was born, there was no World Wide Web, so it took a while before it was widely adopted. Professor Brailsford takes us through what he was up to in 1991. 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. More at http://www.bradyharan.com

"Just send me a PDF!" - but what kind of PDF? As Professor Brailsford explains, PDF is simply a wrapper which can contain a variety of joys! 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. More at http://www.bradyharan.com

How much of a problem is DeepFake, the ability to swap people's faces around? Dr Mike Pound decided to try it with colleague Dr Steve Bagley. 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. More at http://www.bradyharan.com

Professor Brailsford has been toiling away on a faithful recreation of Unix co-creator Dennis Ritchie's unsubmitted PhD thesis. The Computer History Museum material on Dennis's lost thesis is at: https://computerhistory.org/blog/discovering-dennis-ritchies-lost-dissertation/ The Ritchie family's Web site about the devices (hardware and software) that Dennis used to create his thesis is at: https://dmrthesis.net/ 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. More at http://www.bradyharan.com

When you relocate a robot, how does it work out where it is? Dr Ayse Kucukyilmaz explains how there's uncertainty at every turn. 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. More at http://www.bradyharan.com

Enigma is known as the WWII cipher, but how does it hold up in 2021? Dr Mike Pound implemented it and shows how it stacks up against his laptop. Mikes Code: http://bit.ly/C_Mike_enigma Cryptool v2 is here: http://bit.ly/C_Cryptool The original paper that Mike's attack is based off https://web.archive.org/web/20060720040135/http://members.fortunecity.com/jpeschel/gillog1.htm 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. More at http://www.bradyharan.com

How about a Neural Net where the neurons are actual atoms? Professor Phil Moriarty shows a paper demonstrating the principle from researchers at Radboud University in The Netherlands. Professor Moriarty's blog with more detail: http://bit.ly/C_AtomicBrain 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. More at http://www.bradyharan.com

Professor Brailsford discusses Ken Thompson's ACM Turing Award acceptance paper "Reflections on Trusting Trust" Ken Thompson's Paper: http://bit.ly/C_trustingtrust Cory Doctorow's Article: http://bit.ly/C_Doctorow-trustingTrust 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. More at http://www.bradyharan.com

Professor Brailsford recalls the advent of Unix v7 and AT&T's licensing procedure. 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. More at http://www.bradyharan.com

The hidden technology that's behind apps like Visual Studio Code & Skype is web based. David Domminney Fowler chats Google's V8, node.js & HTML5 More about David Domminney Fowler: https://youtube.com/c/DavidDomminneyFowler 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. More at http://www.bradyharan.com

The only viable alternative to AES? Dr Mike Pound unravels the clever ChaCha cipher. 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. More at http://www.bradyharan.com

The Internet of Things wouldn't be here if not for Mark Weiser and the team at Xerox Parc. Dr Stuart Reeves explains the vision. 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. More at http://www.bradyharan.com

RFCs are standards. Aren't they? - Dr Julian Onions on how Request for Comments started, and aren't always what they seem. 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. More at http://www.bradyharan.com

Traceroute is a standard networking tool, but can it be used to recreate all those film scenes where a 'trace' is put on a signal? Dr Richard G Clegg, Queen Mary University of London shows us the neat hack that makes it work and has a go at that supervillain map! Richard's github: https://github.com/richardclegg/vis_route 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. More at http://www.bradyharan.com

How many times have you been asked to share 'anonymous' location data? Andrea shows just how simple it can be to work out who's who. Andrea Gadotti is a researcher in the Computational Privacy Group at Imperial College London (https://cpg.doc.ic.ac.uk/) NYT Article: https://www.nytimes.com/interactive/2019/12/19/opinion/location-tracking-cell-phone.html Papers referenced by Andrea: Unique in the Crowd: The privacy bounds of human mobility (https://www.nature.com/articles/srep01376) Where You Are Is Who You Are: User Identification by Matching Statistics (https://arxiv.org/abs/1512.02896v1) 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. More at http://www.bradyharan.com

Could Dave recreate audio from a wav file preview image grabbed from a screen cap? More about David Domminney Fowler: https://youtube.com/c/DavidDomminneyFowler 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. More at http://www.bradyharan.com Original Image: https://photos.app.goo.gl/c4pPY8xpCF6cNmTF8 Dave's Code: (angle brackets weren't allowed in YT description) using System; using System.Collections.Generic; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Extract_Audio { internal class Program { private static void Main(string[] args) { string file = "computerphile.png"; Bitmap b = new Bitmap(@"g:\Computerphile\" + file); var values = new System.Collections.Gener

RSA is widespread on the Internet, and uses large prime numbers - but how does it work? Dr Tim Muller takes us through the details. Apologies for the poor audio quality of this video which is due to the remote nature in which it was recorded. 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. More at http://www.bradyharan.com

How do you share a 1960's computer across a bunch of islands? Wireless networking of course - although, like Norman Abramson & his team, you'd have to invent it first. Dr Steve Bagley on Hawaii's Aloha Net. 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. More at http://www.bradyharan.com

Program Correctness is incredibly important in computing - particularly in hardware design. Professor Graham Hutton takes us through a simple example using arithmetic. EXTRA BITS: https://youtu.be/TByzerWLKg8 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. More at http://www.bradyharan.com

Computer Scientists had to make choices for what system to use for different student use cases. Professor Brailsford on whether to choose Algol 68 or Pascal. Or both. 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. More at http://www.bradyharan.com

Pascal evolved from Algol 60. Professor Brailsford discusses the rift in the Algol committee that led to its creation. Brian Kernighan's Bell Labs Memo: http://www.eprg.org/computerphile/pascal.pdf EXTRA BITS: https://youtu.be/nA_FXCzibgw 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. More at http://www.bradyharan.com

ALGOL 60, a brand new programming language, 60 years ago! Professor Brailsford used to have to teach it - here he shows us some of the code. EXTRA BITS: https://youtu.be/EUuN0WGXWJc 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. More at http://www.bradyharan.com

Improve the efficiency of recursive code by re-writing it to be tail recursive. Professor Graham Hutton explains. EXTRA BITS: https://youtu.be/eoi3s_4mAAc 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. More at http://www.bradyharan.com

Professor Brailsford on why he's updating his OS and Hardware while in isolation (with remote support from Dr Bagley) EXTRA BITS (Sean & the Prof chatting about all sorts!) : https://youtu.be/DzTQEXtuWGU Contact Tracing: https://www.youtube.com/watch?v=EgIg90cFRVw The Great 202 Jailbreak: https://www.youtube.com/watch?v=CVxeuwlvf8w https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed by Professor Brailsford & Sean Riley 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. More at http://www.bradyharan.com

https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed by Professor Brailsford and Sean Riley & 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. More at http://www.bradyharan.com

Working with regular expressions to decode Roman Numerals. Professor Brailsford is on the case. EXTRA BITS - Roman Numerals Reminder: https://youtu.be/j4opDit220w 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. More at http://www.bradyharan.com

Functional or Combinator Parsing explained by Professor Graham Hutton. Professor Hutton's Functional Parsing Library: http://bit.ly/C_FunctParsLib 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. More at http://www.bradyharan.com

Professor Brailsford takes the theory of RegEx and puts it into practice. EXTRA BITS: https://youtu.be/4uMS2ZPsoVw 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. More at http://www.bradyharan.com

Professor Brailsford on one of our most requested topics. Playlist of Videos the Prof mentioned: https://www.youtube.com/playlist?list=PLzH6n4zXuckpkgSrHX87sDCmEZSumytL3 EXTRA BITS: https://youtu.be/-U_ggjfLc1g 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. More at http://www.bradyharan.com

Professor Brailsford points his parsing program towards a galaxy far, far away.... EXTRA BITS https://youtu.be/gahrebvOAtY The Professor's Files: https://bit.ly/2sWx9Vp  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. More at http://www.bradyharan.com

Having explained the top-down method, Professor Brailsford flips to bottom up Parsing. EXTRA BITS: https://youtu.be/jzpYiuD2ffo 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. More at http://www.bradyharan.com

How ambiguity is dangerous! Professor Brailsford simplifies parsing. EXTRA BITS: https://youtu.be/Airi85CPdPk Angle Brackets: https://youtu.be/1IdlBFaifcs 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. More at http://www.bradyharan.com

The Internet is 50 - Dr Julian Onions recalls working to bring the Internet to Nottingham. 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. More at http://www.bradyharan.com

Concluding his series on compilers and porting, Professor Brailsford takes the plunge and "T-Diagrams" his way over to a new machine. Previous Video: https://youtu.be/TiJn9D6lZ-Y 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. More at http://www.bradyharan.com

Taking T-Diagrams to the next level, Professor Brailsford tries to improve last episode's intermediate codes. Grateful thanks to Dr Ron Knott for permission to use his set of notes on the porting of compilers, explained using T-diagrams. 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. More at http://www.bradyharan.com

Can there be a universal intermediate programming language? Sounds like Esperanto to us - Professor Brailsford has more. 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. More at http://www.bradyharan.com

Cross compile or 'invade' the machine you want to work with - Professor Brailsford discusses various options to making a system work. 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. More at http://www.bradyharan.com

Prehistoric WiFi? Converting bits into audio and broadcasting them via radio - Dr Aaron Jackson demos packet radio. 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. More at http://www.bradyharan.com

A quick tour of the Raspberry Pi 4 edited on the Raspberry Pi 4. Dr Steve Bagley gets out his knife.dll to unbox Sean's purchases! EXTRA BITS: Editing on the Pi4b - https://youtu.be/RKT0N4IJP-4 Raspberry Pi 4 hardware bought & paid for from Pimoroni & The Pi Hut. 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. More at http://www.bradyharan.com

Substitution-permutation networks are the basis for almost all modern symmetric cryptography. Dr Mike Pound explains. 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. More at http://www.bradyharan.com

Multitasking is a hoax - clever techniques mean that your CPU is shuffling between lots of tasks, but doing them one at a time. Dr Steve Bagley regenerates his clones to explain... 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. More at http://www.bradyharan.com

GANs are powerful but difficult to balance - Dr Mike Pound explores the CycleGAN - two GANs set up together. Original Paper: https://junyanz.github.io/CycleGAN/ 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. More at http://www.bradyharan.com

Professor Brailsford with an example of what he had to do when Computer A didn't talk to Computer B. 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. More at http://www.bradyharan.com

Why didn't OpenAI release their "Unicorn" GPT2 large transformer? Rob Miles suggests why it might not just be a a PR stunt. Unicorn AI: https://youtu.be/89A4jGvaaKk Unicorn AI (More Examples): https://youtu.be/p-6F4rhRYLQ Generative Adversarial Networks (GANs): https://www.youtube.com/watch?v=5oXyibEgJr0 More from Rob Miles: http://bit.ly/Rob_Miles_YouTube Thanks to Nottingham Hackspace for providing the filming location: http://bit.ly/notthack 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. More at http://www.bradyharan.com

Using T-Diagrams, Professor Brailsford shows us how to take our compiler to the next level. Previous video on t-diagrams: https://www.youtube.com/watch?v=PjeE8Bc96HY 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. More at http://www.bradyharan.com

More examples of how GPT-2 pays attention to things. Rob Miles 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. More at http://www.bradyharan.com

Real life doesn't fit into neat categories - Dr Mike Pound on some different ways to regress your data. This is part 9 of the Data Analysis Learning Playlist: https://www.youtube.com/playlist?list=PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba This Learning Playlist was designed by Dr Mercedes Torres-Torres & Dr Michael Pound of the University of Nottingham Computer Science Department. Find out more about Computer Science at Nottingham here: https://bit.ly/2IqwtNg This series was made possible by sponsorship from by Google. 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. More at http://www.bradyharan.com

For your eyes only! Classifying data isn't a spy trick. Dr Mike Pound creates a decision tree automatically from a data set. This is part 8 of the Data Analysis Learning Playlist: https://www.youtube.com/playlist?list=PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba This Learning Playlist was designed by Dr Mercedes Torres-Torres & Dr Michael Pound of the University of Nottingham Computer Science Department. Find out more about Computer Science at Nottingham here: https://bit.ly/2IqwtNg This series was made possible by sponsorship from by Google. The Credit approval dataset can be found here: https://archive.ics.uci.edu/ml/datasets/Credit+Approval 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. More at http://www.bradyharan.com

Grouping similar things together - either users with similar habits, or products in an online shop. Dr Mike Pound on Clustering. This is part 7 of the Data Analysis Learning Playlist: https://www.youtube.com/playlist?list=PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba This Learning Playlist was designed by Dr Mercedes Torres-Torres & Dr Michael Pound of the University of Nottingham Computer Science Department. Find out more about Computer Science at Nottingham here: https://bit.ly/2IqwtNg This series was made possible by sponsorship from by Google. 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. More at http://www.bradyharan.com

PCA - Principle Component Analysis - finally explained in an accessible way, thanks to Dr Mike Pound. This is part 6 of the Data Analysis Learning Playlist: https://www.youtube.com/playlist?list=PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba This Learning Playlist was designed by Dr Mercedes Torres-Torres & Dr Michael Pound of the University of Nottingham Computer Science Department. Find out more about Computer Science at Nottingham here: https://bit.ly/2IqwtNg This series was made possible by sponsorship from by Google. The music dataset can be found here: https://github.com/mdeff/fma 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. More at http://www.bradyharan.com