Computer

Just who chose Computer Science before it existed as an academic subject? Emeritus Professor David Brailsford talks about how he started as a computer scientist. To be continued in further videos…. http://www.facebook.com/computerphile Tweets by 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
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Years of work down the drain, the convolutional neural network is a step change in image classification accuracy. Image Analyst Dr Mike Pound explains what it does. Kernel Convolutions: https://youtu.be/C_zFhWdM4ic Deep Learning: https://youtu.be/l42lr8AlrHk Botnets: https://youtu.be/UVFmC178_Vs AI’s Game Playing Challenge: https://youtu.be/5oXyibEgJr0 Space Carving: https://youtu.be/cGs90KF4oTc http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean
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Whether you are a Mac-o-phile or a Mac-o-phobe it is hard to deny the impact of the original Mac. As Mac turns 30, Professor David Brailsford takes us through what the original Mac was like and how it helped people learn to love computers. EXTRA BITS: http://youtu.be/rbeYwh2CstQ How YouTube Works: http://www.youtube.com/watch?v=OqQk7kLuaK4 Note: please excuse the
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Abstraction is at the heart of everything to do with computing. James Clewett takes us through the layers abstracting the pixels forming this text on screen from the electrons in the computer. http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computerphile is a sister project to Brady Haran’s Numberphile. See
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How do image processing apps and realtime applications apply effects so quickly? Dr Mike Pound decides to blur his Christmas Tree… Mike’s code: http://GitHub.com/mikepound/convolve EXTRA BITS: https://youtu.be/MHIS59Se66k https://www.facebook.com/computerphile Tweets by 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
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Where are we at with Quantum computing? Robert Smith (of Rigetti Computing) explains that we’re in the EDSAC/ENIAC era…. see follow up video for more technical information: Watch the next one in the series: https://youtu.be/ZN0lhYU1f5Q https://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham:
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SGML ‘theologians’ were at war with Internet browser ‘pragmatists’ after Sir Tim Berners-Lee released HTML on the world. Professor Brailsford watched it happen Part one of this series: https://youtu.be/RH0o-QjnwDg The Professor’s Notes: http://www.eprg.org/computerphile/newsgml.pdf http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile
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Connecting via SSH to a remote machine is second nature to some, but how does it work? Dr Steve Bagley. Dr Mike Pound on Hashing (mentions padding but full video on padding is planned to follow): https://youtu.be/DMtFhACPnTY https://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University
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Diffie Hellman has a flaw. Dr Mike Pound explains how a man in the middle could be a big problem, unless we factor it in… Public Key Cryptography: https://youtu.be/GSIDS_lvRv4 Elliptic Curve Cryptography: Coming Soon! https://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer
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For the past year, we’ve been asking this as a sound-check question. Here are the results! Professor Graham Hutton (Haskell) Joseph Best (BBC Basic) David CX (Java / Python) Lorraine Underwood (PHP) Rob Miles (Python) Charles Arthur (Python) Sarah Spencer (Javascript) Matt Denton (C) Matt Lloyd (C/Python/PHP) Ian Dickinson (C) Tom Sheridan (Python) Spencer Owen
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Main video is at: http://youtu.be/LHSSY8QNvew This is extra footage from Tom Rodden on tracking cookies and some of the controversy surrounding digital data. Video filmed and edited by Sean Riley. Computerphile is a project by Brady Haran. See the full list of Brady’s video projects at: http://periodicvideos.blogspot.co.uk/2012/06/here-are-my-channels.html Computer Science at the University of Nottingham: http://bit.ly/nottscomputer
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Audible free book: http://www.audible.com/computerphile Why can’t artificial intelligence do what humans can? Rob Miles talks about generality in intelligence. Sean Comments/Questions (For those who can’t hear him clearly) 11secs: “This was the hill climbing algorithm?” 2min 40sec: “recently with Professor Brailsford we did the idea of The Turing Test, so that strikes me from what
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We look at and run the code that exploits the Heartbleed bug. Dr. Steven Bagley takes us through the code and shows us how it works. Relevant RFC Document: http://bit.ly/heartbleed-rfc Domino Addition: http://youtu.be/lNuPy-r1GuQ YouTube’s Secret Algorithm: http://youtu.be/BsCeNCVb-d8 http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University
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Secure Hashing Algorithm (SHA1) explained. Dr Mike Pound explains how files are used to generate seemingly random hash strings. EXTRA BITS: https://youtu.be/f8ZP_1K2Y-U Tom Scott on Hash Algorithms: https://youtu.be/b4b8ktEV4Bg http://www.facebook.com/computerphile Tweets by 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
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10% off at Squarespace: http://squarespace.com/computerphile Secret services want to read people’s communications, politicians talk about terrorists, but what’s the reality of banning encryption? Ross Anderson, Professor of Security Engineering at the Computer Laboratory, University of Cambridge explains how history repeats itself. The Dress: https://youtu.be/Tw0PlGpaqy4 The VR Cave: https://youtu.be/STMcWUtQr1Y Public Key Cryptography: https://youtu.be/GSIDS_lvRv4 Alan Turing and
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Extra Bits of material about punch cards from Professor Brailsford. Original Punch Cards Film: http://youtu.be/KG2M4ttzBnY Extra Material – behind the scenes: http://youtu.be/Wi326Leuemg http://www.facebook.com/computerphile Tweets by 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. See the full
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Reverse Polish, or Postfix notation is commonly used in Computer Science, particularly in reference to Stacks – but what are stacks and how does postfix work? Professor David Brailsford takes us through it. Upside Down (Huffman) Trees: http://youtu.be/umTbivyJoiI Quick Sort: http://youtu.be/XE4VP_8Y0BU Getting Sorted: http://youtu.be/kgBjXUE_Nwc http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by
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Removing voxels until the shape emerges. Space Carving is a kind of virtual sculpture. Image Analyst Dr Mike Pound explains how though it’s a bit rough and ready, it can be lightning fast. Rob Miles on Game Playing AI: https://youtu.be/5oXyibEgJr0 Deep Learning: https://youtu.be/l42lr8AlrHk Secure Web Browsing: https://www.youtube.com/watch?v=E_wX40fQwEA Thanks to Rick van de Zedde, Wageningen UR
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XOR encryption is flawed. Professor Brailsford explains the zig-zag method that can reveal the precious key stream. Fishy Codes – Bletchley’s Other Secret: https://youtu.be/Ou_9ntYRzzw XOR and the Half Adder: https://youtu.be/VPw9vPN-3ac Colossus & Bletchley Park: https://youtu.be/9HH-asvLAj4 5 Hole Paper Tape: https://youtu.be/JafQYA7vV6s The Professor’s Supporting Documents: Sean/Dave ZigZag document: http://bit.ly/computerphileZigZag C Program to play with: http://bit.ly/ComputerphileZigZagCprog The
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What does a GPU do differently to a CPU and why don’t we use them for everything? First of a series from Jem Davies, VP of Technology at ARM. Floating Point Numbers: http://youtu.be/PZRI1IfStY0 Why Computers Use Binary: https://youtu.be/thrx3SBEpL8 How Bitcoin Works: https://youtu.be/JyxRH18YlpA Triangles & Pixels (Graphics Playlist): https://www.youtube.com/playlist?list=PLzH6n4zXuckrPkEUK5iMQrQyvj9Z6WCrm http://www.facebook.com/computerphile Tweets by computer_phile This video was
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Colossus was one of the very first electronic, special purpose, computers and it was created almost two years earlier than the better known ENIAC. We visit Bletchley Park, home of the code breakers, and TNMoC, The National Museum of Computing. Professor Brailsford shows us the Colossus replica. The Most Difficult Program to Compute?: https://youtu.be/i7sm9dzFtEI Computer
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Turing Machines are the basis of modern computing, but what actually is a Turing Machine? Assistant Professor Mark Jago explains. Turing & The Halting Problem: http://youtu.be/macM_MtS_w4 Busy Beavers: https://youtu.be/CE8UhcyJS0I Avatars & In-Flight VR: http://youtu.be/TLKqKlrQv4s The (pink) VR Simulator: http://youtu.be/Lm0lA0enPSk http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at
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