From Computerphile. We’ve all got to the edge of the wifi coverage, but the idea of coverage produces a network problem, the Hidden Node Problem. Dr Steve Bagley 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…

From Computerphile. If your job involves simulating the creation of the universe, you’re going to need a big computer. Dr Julian Onions on the practicalities of saving your universe simulation when it’s terabytes in size, and in a different country! https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the…

From Computerphile. Just what was it that took Facebook, Instagram & WhatsApp offline on 4th October 2021? – Dr Steve Bagley investigates! 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

From Computerphile. Sinclair Computers drove a computing revolution in the UK. At last you could purchase a computer for less than £100 (Approx. $230 in 1980) RIP Sir Clive Sinclair, the man behind the ZX80, ZX81 & ZX Spectrum (30 July 1940 – 16 September 2021) Thanks to The Centre for Computing History, Cambridge Thanks…

From Computerphile. The Bit Blit algorithm dates back to Xerox PARC, but was famously used to sell the Amiga home computer among others. Dr Steve Bagley takes us through how it works. This is a re-upload due to an audio problem on the earlier edit -Sean https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by…

From Computerphile. A simple bit-shift operation can generate amazing random strings of numbers. Dr Mike Pound explains then codes it in Python. If you want to know more about how XOR works: https://www.youtube.com/watch?v=VPw9vPN-3ac 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…

From Computerphile. Continuing our look at the Agda programming language, Professor Thorsten Altenkirch shows us how you can work with proofs, which could be invaluable in some industrial situations. 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…

From Computerphile. Multiple ways to break through restrictions in a network* demonstrated by Dr Richard G Clegg of Queen Mary University London. *Please only try these methods on machines where you have permission. Richard has kindly prepared some notes: https://bit.ly/C_RichCleg_HackOut https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the…

From Computerphile. A language designed to eliminate run-time errors? Professor Thorsten Altenkirch demonstrates programming Type Theory with Agda. 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

From Computerphile. Big Data sounds like a buzz word, and is hard to quantify, but the problems with large data sets are very real. Dr Isaac Triguero explains some of the challenges. 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…

From Computerphile. 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:…

From Computerphile. Equality sounds a straightforward idea, but there are subtle problems in theoretical computer science. Professor Thorsten Altenkirch explains how his late friend Martin Hofmann solved one of the biggest problems. More of Thorsten on Type Theory: https://bit.ly/C_Thor_playlist Thorsten’s paper dedicated to Martin: https://bit.ly/C_Thor_Paper https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean…

From Computerphile. With new operating systems requiring security hardware, what is this hardware and why do we need it? Dr Steve Bagley takes Sean’s bet to see how many times he can mention Trusted Platform Module in one video! https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University…

From Computerphile. How does the "mystical" mind-reading computer program work? Spoiler, it can’t read minds. Dr Tim Muller shows us a trick you can play on people. Tim’s Code: https://pastebin.com/YheE3kJQ 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…

From Computerphile. Computer bugs were found to be the reason many sub-postmasters and sub-postmistresses were wrongly convicted of stealing and false accounting. Professor Steven Murdoch, a professor of Security Engineering and a Royal Society University Research Fellow at UCL explains the sorts of faults that were found. EXTRA BITS: https://youtu.be/1GnRlOgEIlo Professor Murdoch’s blog post about…

From Computerphile. Matching pictures on playing cards could have something in common with trying to guess which router has the correct routing table. Dr Tim Muller takes us through ‘Gobble’! 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…

From Computerphile. Discussing autonomous vehicles aka driverless cars with Prof. Subramanian "Ram" Ramamoorthy, Personal Chair of Robot Learning and Autonomy, University of Edinburgh. 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

From Computerphile. "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…

From Computerphile. Exponential growth is a term that’s used a lot, but our intuition can play tricks on understanding it. Dr Tim Muller takes us through some examples that demonstrate just how quickly things get out of hand. 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…