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Computerphile
by Computerphile
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A web app that works out how many seconds ago something happened. How hard can coding that be? Tom Scott explains how time twists and turns like a twisty-turny thing. It's not to be trifled with! A Universe of Triangles: https://www.youtube.com/watch?v=KdyvizaygyY LZ Compression in Text: https://www.youtube.com/watch?v=goOa3DGezUA Characters, Symbols and the Unicode Miracle: https://www.youtube.com/watch?v=MijmeoH9LT4 More from Tom Scott: http://www.youtube.com/user/enyay and...
Topics: Youtube, video, Education, computers, computerphile
Computerphile
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Deep and Dark web are often getting confused - Dr Max Wilson untangles the difference. Web vs Internet (Deep Dark Web pt1): https://www.youtube.com/watch?v=oiR2mvep_nQ Rob Miles on Game Playing AI: https://youtu.be/5oXyibEgJr0 Secure Web Browsing: https://www.youtube.com/watch?v=E_wX40fQwEA Deep Learning: https://youtu.be/l42lr8AlrHk 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...
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science, TOR, The...
Computerphile
by Computerphile
movies

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Websites can still be hacked using SQL injection - Tom explains how sites written in PHP (and other languages too) can be vulnerable and have basic security issues. More from Tom Scott: http://www.youtube.com/user/enyay and https://twitter.com/tomscott Follow the Cookie Trail: https://www.youtube.com/watch?v=LHSSY8QNvew CERN Computing Centre & Mouse Farm: https://www.youtube.com/watch?v=S0MgJFGL5jg http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was...
Topics: Youtube, video, Education, computers, computerphile, SQL Injection, PHP (Programming Language), SQL...
Computerphile
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DCT is the secret to JPEG's compression. Image Analyst Mike Pound explains how the compression works. Colourspaces: https://youtu.be/LFXN9PiOGtY JPEG 'files' & Colour: https://youtu.be/n_uNPbdenRs Computer That Changed Everything (Altair 8800): https://youtu.be/6LYRgrqJgDc Problems with JPEG: COMING SOON Upside Down Trees (Huffman Encoding): https://youtu.be/umTbivyJoiI Colourspaces: https://youtu.be/LFXN9PiOGtY JPEG isn't a file format - JPEG pt1: https://youtu.be/n_uNPbdenRs Upside Down...
Topics: Youtube, video, Education, computers, computerphile, Discrete Cosine Transform, JPEG (File Format),...
Computerphile
by Computerphile
movies

eye 411

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To explain the deep web and the dark web, first we lay out the basic difference between The Internet and the World Wide Web. Dr Max Wilson explains Rob Miles on Game Playing AI: https://youtu.be/5oXyibEgJr0 Secure Web Browsing: https://www.youtube.com/watch?v=E_wX40fQwEA Deep Learning: https://youtu.be/l42lr8AlrHk Secrets of the Deep Dark Web: https://youtu.be/joxQ_XbsPVw http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley....
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science,...
Computerphile
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We ask Bell Labs alumnus and 'C' expert Professor Brian Kernighan about research at Bell Labs Associative Arrays: Coming Soon 'C' Programming Language: https://youtu.be/de2Hsvxaf8M 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 Source:...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Prof Brian Kernighan,...
Computerphile
by Computerphile
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Brian Kernighan, the man who wrote the definitive book on C programming brings us up to date on his work over the last couple of years. Sun Server: https://youtu.be/c5qH-LW3tq8 Onion Routing: https://youtu.be/QRYzre4bf7I 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...
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science, BWK,...
Computerphile
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Using Hello World to show how assemblers keep track of memory - but at the expense of two passes through the computer. Bootstrapping EDSAC: Initial Orders: https://youtu.be/nc2q4OOK6K8 The Hello World Program for EDSAC: T64K GK ZF O16@ O17@ O18@ O19@ O20@ O21@ O22@ O23@ O24@ O25@ O26@ O27@ O28@ O29@ ZF *F HF EF LF LF OF !F WF OF RF LF DF @F &F EZPF https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Computer Science,...
Computerphile
by Computerphile
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There are different styles of programming, some quite closely resemble pure mathematics. Mathematician and Computer Scientist Laurence Day compares two of them. Note: In the Java code the delimiters within the 'for' loop should be semi-colons, not commas. Apologies for the error. What if the Universe is a Computer Simulation: http://youtu.be/YOxDb_BbXzU Sights and Sounds of Sorting with BASIC: http://youtu.be/Ou2A-JWszVA http://www.facebook.com/computerphile https://twitter.com/computer_phile...
Topics: Youtube, video, Education, computers, Functional Programming (Programming Language Paradigm),...
Computerphile
by Computerphile
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The danger of assuming general artificial intelligence will be the same as human intelligence. Rob Miles explains with a simple example: The deadly stamp collector. The Problem with JPEG: https://youtu.be/yBX8GFqt6GA Apple's $200,000 Computer: https://youtu.be/PccvZRTUhbI Rabbits, Faces & Hyperspaces: https://youtu.be/q6iqI2GIllI Thanks to Nottingham Hackspace for the location. http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean...
Topics: Youtube, video, Education, computers, computerphile, Artificial Intelligence (Industry), Artificial...
Computerphile
by Computerphile
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Professor Brailsford returns to the subject of why Colossus was built. The professor's notes: http://www.eprg.org/computerphile/lorenz-combined.pdf Bletchley Park Playlist: https://www.youtube.com/playlist?list=PLzH6n4zXuckrSWWIDJ_3To7ro5-naSk8v Professor Brailsford used the book "Colossus" by B. Jack Copeland and others (Oxford University Press, 2006). Also recommended are chapters 18 and 19 from : "The Bletchley Park Codebreakers" by R. Erskine and M. Smith (eds.) Biteback...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Computer Science,...
Computerphile
by 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 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...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Computer Science,...
Computerphile
by Computerphile
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Cookie Monster isn't the only one fond of cookies - thieves on the Internet are partial too. Dr Mike Pound demonstrates & explains the art of cookie stealing. Follow the Cookie Trail: https://youtu.be/LHSSY8QNvew Cracking Websites with Cross Site Scripting: https://youtu.be/L5l9lSnNMxg Space Carving: https://youtu.be/cGs90KF4oTc Deep Learning: https://youtu.be/l42lr8AlrHk Secure Web Browsing: https://www.youtube.com/watch?v=E_wX40fQwEA Anti Counterfeiting & Conductive Inks:...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Internet, cookie stealing,...
Computerphile
by Computerphile
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Most of us deal with data compression on a daily basis, but what is it and how does it work? Professor David Brailsford introduces compression with regards to text and pictures. http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. (some questions from Brady, in case you are confused!) Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. See...
Topics: Youtube, video, Education, computers, compression, computer science, Data Compression (Algorithm...
Computerphile
by Computerphile
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Quantum Computing offers a potential sea-change in computer power, but what are the issues with it, why aren't we all using quantum iphones already? Associate Professor Dr Thorsten Altenkirch. Link to more information & Quantum IO Monad Code: http://bit.ly/Computerphile_QIOMonad *From Thorsten: "We have updated the hackage package to work with the new monad library. If you want to play with QIO read the paper and download the code and then you can start quantum programming. :-)"...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Thorsten Altenkirch,...
Computerphile
by Computerphile
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Surreal images created by Google's Deep Dream code flooded the internet in 2015 but how does deep dream do it? Image analyst Dr Mike Pound. Inside a Neural Network: https://youtu.be/BFdMrDOx_CM Cookie Stealing: https://youtu.be/T1QEs3mdJoc FPS & Digital Video: https://youtu.be/yniSnYtkrwQ Password Cracking: https://youtu.be/7U-RbOKanYs Gamer's Paradise: https://youtu.be/HZzdXR0bV8o Images seen/manipulated in this video: https://drive.google.com/open?id=0Bwd1KrEtM2phYWdzQ3FtdW1tdUk...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Deep Dream, Deep Dream...
Computerphile
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The story of recursion continues as Professor Brailsford explains one of the most difficult programs to compute: Ackermann's function. Professor Brailsford's programs: http://bit.ly/1nhKtW4 Follow Up Film from the Prof in response to this film: https://www.youtube.com/watch?v=uNACwX-O5lk What on Earth is Recursion?: http://youtu.be/Mv9NEXX1VHc Fibonacci Programming: http://youtu.be/7t_pTlH9HwA Heartbleed, Running the Code: http://youtu.be/1dOCHwf8zVQ VR Series: COMING SOON! Please note,...
Topics: Youtube, video, Education, computers, computerphile, ackermann, algorithm, decidability, recursion,...
Computerphile
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C" is one of the most widely used programming languages of all time. Prof Brian Kernighan wrote the book on "C", well, co-wrote it - on a visit to the University of Nottingham we asked him how it came about. "Most Difficult Program" - Ackermann Function: http://youtu.be/i7sm9dzFtEI Computer That Changed Everything - Altair 8800: https://youtu.be/6LYRgrqJgDc Factory of Ideas - Working at Bell Labs: https://youtu.be/QFK6RG47bww More from BWK on other computer languages...
Topics: Youtube, video, Education, computers, computerphile, c programming language, the c programming...
Computerphile
by Computerphile
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How does instant messaging encryption protect against attack? Dr Mike Pound on the double ratchet. Diffie Hellman Key Exchange Explained: https://youtu.be/NmM9HA2MQGI Signal Protocol: https://youtu.be/DXv1boalsDI Endianness Explained with an Egg: https://youtu.be/NcaiHcBvDR4 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...
Topics: Youtube, video, Education, computers, computerphile, computer, science, University of Nottingham,...
Computerphile
by Computerphile
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Following on from our contentious 'Mac or PC' film, we asked Professor Tom Rodden just what the actual difference is between Mac and PC. (by PC we are referring to machines running Windows or a variant of Linux) Floating Point Numbers: http://youtu.be/PZRI1IfStY0 Mac or PC? : http://youtu.be/A_Zptl34hbo Heartbleed, Running the Code: http://youtu.be/1dOCHwf8zVQ http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer...
Topics: Youtube, video, Education, computers, computerphile, professor tom rodden, university of...
Computerphile
by Computerphile
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When your computer crashes and you lose everything it's annoying at best - What if you could fix it with blu tack? Jason Fitzpatrick from The Centre for Computing History on drawbacks of the Sinclair ZX81 People's Computer: Sinclair ZX81 : https://youtu.be/SFAWHB2BKOg Steve Furber on BBC Micro: https://youtu.be/y4WG549i3YY Colossus & Bletchley Park: https://youtu.be/9HH-asvLAj4 Rob Miles on Artificial Intelligence: https://www.youtube.com/playlist?list=PLzH6n4zXuckoewGfo3a6ShFS3zPKndPd3...
Topics: Youtube, video, Education, computers, computerphile, Random-access Memory (Computer Peripheral),...
Computerphile
by Computerphile
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Audible free book & trial at: http://www.audible.com/computerphile Our thanks to them. P vs NP in The Simpsons and Futurama. Featuring author Simon Singh. http://simonsingh.net Simon on Numberphile: http://bit.ly/SimonSinghPlay Clarification: NP actually stands for non-deterministic (or nondeterministic) polynomial. Simon did us a favour by speaking off-the-cuff on this topic and it is our fault for not cleaning up things in the edit. However Simon's (excellent) book covers this in more...
Topics: Youtube, video, Education, computers, computerphile, PvNP, polynomial, computer science, P Versus...
Computerphile
by Computerphile
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Analysing big data stored on a cluster is not easy. Spark allows you to do so much more than just MapReduce. Rebecca Tickle takes us through some code. 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 Source:...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Computer Science,...
Computerphile
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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 you're saying that that's a very specific domain: pretending to be a human talking?" 4min 2sec:...
Topics: Youtube, video, Education, computers, computerphile, Artificial Intelligence (Industry), computer...
Computerphile
by Computerphile
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This Primer is to accompany the 'Busy Beaver Turing Machines' film which can be viewed here: http://youtu.be/CE8UhcyJS0I Professor Brailsford's code and further reading: http://bit.ly/busybeaver Turing and the Halting Problem: http://youtu.be/macM_MtS_w4 Busy Beaver Turing Machines: http://youtu.be/CE8UhcyJS0I Domino Addition – Numberphile: http://youtu.be/lNuPy-r1GuQ Ackermann Follow Up: http://youtu.be/uNACwX-O5lk 'Turing Machines Collection' Playlist:...
Topics: Youtube, video, Education, computers, computerphile, computer, computer science, university of...
Computerphile
by Computerphile
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Making yourself the all-powerful "Root" super-user on a computer using a buffer overflow attack. Assistant Professor Dr Mike Pound details how it's done. The Stack: https://youtu.be/7ha78yWRDlE Botnets: https://youtu.be/UVFmC178_Vs The Golden Key: iPhone Encryption: https://youtu.be/6RNKtwAGvqc 3D Stereo Vision: https://youtu.be/O7B2vCsTpC0 Brain Scanner: https://youtu.be/TQ0sL1ZGnQ4 http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and...
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science, mike...
Computerphile
by Computerphile
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Often described as the UK's answer to Steve Jobs, Clive Sinclair created a strong brand and his ground-breaking products and their low prices helped the UK's computing boom in the 1980's Thanks to Spencer, more about what he gets up to here: http://bit.ly/SpencersRetroComputer ZX81 Ram Pack Wobble: https://youtu.be/C9DB3w-Syfs EXTRA BITS: https://youtu.be/B8Yp3B3RnWA Password Cracking: https://youtu.be/7U-RbOKanYs Google Deep Dream: https://youtu.be/BsSmBPmPeYQ File Sizes: Coming Soon...
Topics: Youtube, video, Education, computers, computerphile, computer, science, timex, sinclair, spectrum,...
Computerphile
by Computerphile
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Unlocking a phone with a face? Why doesn't the phone need thousands of example pictures before it works? Dr Mike Pound explains how it might work... Face Detection: https://youtu.be/uEJ71VlUmMQ 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...
Topics: Youtube, video, Education, computers, computerphile, computer, computer science, University of...
Computerphile
by Computerphile
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Hobbyist hackers and programmers use Arduinos extensively - but what is an Arduino made of? James Fowkes from Nottingham Hackspace explains. Raspberry Pi Hardware: https://youtu.be/sx2HjuZBuo0 Retro Z80 Computer: https://youtu.be/OtpaY8VD52g Arduino Software & Programming: COMING SOON! The Bayer Filter: https://youtu.be/LWxu4rkZBLw 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...
Topics: Youtube, video, Education, computers, computerphile, Computer Hardware (Industry), Arduino (Brand),...
Computerphile
by Computerphile
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Blockchain is the underlying technology behind cryptocurrencies bringing together Merkle trees, Hashing & Distributed Architecture. Christopher Ellis explains. Note1 - At 6:46 when Chris is drawing the Merkle Tree, C would actually be duplicated and hashed with itself not with B. So you would get H(C - C) instead of H(B - C). Note2 - At minute 17, Christopher mentioned the mining reward halving at 21,000 bitcoins but meant 210,000 blocks. Public Key Encryption: https://youtu.be/GSIDS_lvRv4...
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Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science,...
Computerphile
by Computerphile
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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 Source: https://www.youtube.com/watch?v=E6vtRm5M8I0 Uploader: Computerphile
Topics: Youtube, video, Education, computers, computerphile, computer, science
Computerphile
by Computerphile
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Early home computing often involved soldering your machine together and fighting for time on the family TV. Jason Fitzpatrick, Director of The Centre for Computing History talks about his first computing love affair, the Nascom 2. Computer That Changed Everything - Altair 8800: https://youtu.be/6LYRgrqJgDc People's Computer: Sinclair ZX81 : https://youtu.be/SFAWHB2BKOg Cookie Stealing: https://youtu.be/T1QEs3mdJoc Computing Aladdin's Cave: https://youtu.be/zFb4tilDmBg...
Topics: Youtube, video, Education, computers, computerphile, computer, science, retro computers, vintage...
Computerphile
by Computerphile
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Alan Turing almost accidentally created the blueprint for the modern day digital computer. Here Mark Jago takes us through The Halting Problem. Turing Machines Explained: https://youtu.be/dNRDvLACg5Q Busy Beaver: https://youtu.be/CE8UhcyJS0I VR Simulator: http://youtu.be/Lm0lA0enPSk What on Earth is Recursion?: http://youtu.be/Mv9NEXX1VHc Thanks to Assistant Professor Mark Jago of the University of Nottingham. http://www.facebook.com/computerphile https://twitter.com/computer_phile This video...
Topics: Youtube, video, Education, computers, computerphile, halting problem, alan turing, mathematics,...
Computerphile
by Computerphile
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Deleting files may not mean they're gone. Even overwriting them isn't safe. Professor Derek McAuley explains. EXTRA BITS - more on Flash/SSD: http://youtu.be/HQWFCDN9VZI Punch Card Programming: http://youtu.be/KG2M4ttzBnY 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 Thanks to Richard Faulkner for the photo of the hard disk being destroyed....
Topics: Youtube, video, Education, computers, computerphile, data security, disk drive, semiconductor...
Computerphile
by Computerphile
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To Conclude Professor Brailsford's series on PDF he discusses how PDFs are created. PDF, what is it for? : https://youtu.be/48tFB_sjHgY Programming in Post Script: https://youtu.be/S_NXz7I5dQc Unrolling the Loops: https://youtu.be/guXgBe2wvEA Google Deep Dream: https://youtu.be/BsSmBPmPeYQ FPS & Digital Video: https://youtu.be/yniSnYtkrwQ Password Cracking: https://youtu.be/7U-RbOKanYs http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited...
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science,...
Computerphile
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Just how did the team at Bletchley Park tackle the problem of decoding Enigma? In Part Two of our series on "The Real" Imitation Game, Professor Brailsford explains how they did it. Part One of this series: Turing's Enigma Problem: http://youtu.be/d2NWPG2gB_A Professor Brailsford's notes: http://bit.ly/enigmapart2 Numberphile on Enigma: http://youtu.be/G2_Q9FoD-oQ History of Undecidability: http://www.youtube.com/playlist?list=PLzH6n4zXuckpIQPv8hiHpJkSyv0fmXEYr Mainframes and the Unix...
Topics: Youtube, video, Education, computers, computerphile, Bombe (Invention), Enigma Machine, professor...
Computerphile
by Computerphile
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Audible free book: http://www.audible.com/computerphile What is the singularity and will it ever happen? Dr Sean Holden of the University of Cambridge explains just how difficult Human Level AI is. EXTRA BITS: https://www.youtube.com/watch?v=Ys0lk0OVv7Y End of Moore's Law?: https://youtu.be/X8v1BB0UaDs Silicon Brain: 1,000,000 ARM Cores: https://youtu.be/2e06C-yUwlc AI Worst Case Scenario - Deadly Truth of AI: https://youtu.be/tcdVC4e6EV4 More Claude Shannon (Error Correction):...
Topics: Youtube, video, Education, computers, computerphile, computer, science, University Of Cambridge...
Computerphile
by Computerphile
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A little bit of magic - bootstrapping, allows the separation of code and machine, allowing one single piece of code to run on many different machines. Professor Tom Rodden introduces the idea. EXTRA BITS - Complexity: http://youtu.be/sn5QpZornj0 Reverse Polish and Stacks: Coming Soon http://www.facebook.com/computerphile https://twitter.com/computer_phile This video by Sean Riley and Brady Haran. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a...
Topics: Youtube, video, Education, computers, computerphile, Bootstrapping, computer science, university of...
Computerphile
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Quantum computing is so new it needs a flexible language for programming - Robert Smith of Rigetti Quantum Computing explains why he uses this 60 yr old language for cutting-edge work. Meta-Programming: Coming Soon PDP-11 & Zork: https://youtu.be/gYng1yypNCA 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...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Quantum Computing, Robert...
Computerphile
by Computerphile
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Over Computerphile's first year, we asked each contributor the question: "Mac or PC?" as part of our sound-check. Here are the answers... nb - we know that PC is defined as Personal Computer, and that to be pedantic, a Mac 'is' a PC, but in general, 'PC' is the way people refer to a machine running Linux or Windows. Differences between Macs and PCs: http://youtu.be/SZXY5990xZs How NOT to Store Passwords!: http://youtu.be/8ZtInClXe1Q Elegant Compression in Text (LZ):...
Topics: Youtube, video, Education, computers, computerphile, mac, pc, windows, linux, computer science,...
Computerphile
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The Matrix" conjures visions of Keanu Reeves as Neo on the silver screen, but matrices have a very real use in manipulating 3D graphics. John Chapman explains the true power of the matrix. Graphics series with John Chapman: 1/ Universe of Triangles : http://youtu.be/KdyvizaygyY 2/ Power of the Matrix : http://youtu.be/vQ60rFwh2ig 3/ Triangles to Pixels : http://youtu.be/aweqeMxDnu4 4/ Visibility Problem : http://youtu.be/OODzTMcGDD0 5/ Light and Shade in Computer Graphics: Coming Soon John...
Topics: Youtube, video, Education, computers, computerphile, Computer Graphics (images) (File Format...
Computerphile
by Computerphile
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Professor Brailsford discusses Charles Babbage, the genius behind the Analytical Engine. The Professor's notes: http://www.eprg.org/computerphile/new-adatalk.pdf Complete 'Babbage & Lovelace' Playlist: https://www.youtube.com/playlist?list=PLzH6n4zXuckqKMcpQANsyPJId7jkxq7g8 Sixty Symbols - Ada's Tomb: https://youtu.be/OSQRTTuHLP8 Undecidability Tangent: https://youtu.be/nsZsd5qtbo4 Analytical Engine Build Project: http://bit.ly/Computerphile_Plan28 Lovelace Symposium :...
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science,...
Computerphile
by Computerphile
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10% off at Squarespace: http://squarespace.com/computerphile Clive Sinclair had a vision, an elegant, affordable computer. Sold as Timex 1000 in the US, the ZX81 was cheap and cheerful; for many programmers, their first rung on the ladder of computing. Thanks to the Centre for Computing History in Cambridge & Jason Fitzpatrick for showing us one of their ZX81s: http://www.bit.ly/C_ComputerMuseum 1982 Interview with Sir Clive Sinclair: http://bit.ly/moreaboutsirclivesinclair Holy Grail of...
Topics: Youtube, video, Education, computers, computerphile, Sinclair Research (Publisher), ZX81...
Computerphile
by Computerphile
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Just what is happening inside a Convolutional Neural Network? Dr Mike Pound shows us the images in between the input and the result. How Blurs & Filters Work (Kernel Convolutions): https://youtu.be/C_zFhWdM4ic Cookie Stealing: https://youtu.be/T1QEs3mdJoc Rob Miles on Game Playing AI: https://youtu.be/5oXyibEgJr0 Secure Web Browsing: https://www.youtube.com/watch?v=E_wX40fQwEA Deep Learning: https://youtu.be/l42lr8AlrHk http://www.facebook.com/computerphile...
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science, dr mike...
Computerphile
by Computerphile
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When YouTube was created, they had no idea that a video might amass over 2 billion views. Dr Steve Bagley explains why Psy's Gangnam Style music video forced YouTube to update their system. Why YouTube sticks at 301 Views: http://youtu.be/oIkhgagvrjI Floating Point Numbers: http://youtu.be/PZRI1IfStY0 Kindle Text Problem: http://youtu.be/kzdugwr4Fgk Crashes & Kernel Panic: http://youtu.be/nr9auoHtvzM Google Code Style Guide: http://bit.ly/googstylguide http://www.facebook.com/computerphile...
Topics: Youtube, video, Education, computers, computerphile, computer science, university of nottingham, dr...
Computerphile
by Computerphile
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$20 off your 1st purchase at http://www.littlebits.com use the code “COMPUTERPHILE” After the deadly stamp collector, what if we can't create something so powerful? But if we design an AI that's better at AI design than us? Robert Miles continues his discussion on AI. The Problem with JPEG: https://youtu.be/yBX8GFqt6GA Computer That Changed Everything: https://youtu.be/6LYRgrqJgDc Artificial Intelligence Playlist: https://www.youtube.com/playlist?list=PLzH6n4zXuckoewGfo3a6ShFS3zPKndPd3 The...
Topics: Youtube, video, Education, computers, computerphile, Artificial Intelligence (Industry), computer...
Computerphile
by Computerphile
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Characteristically ahead of his time, Clive Sinclair built his version of the iPad, back in the late '80's. Spencer shows us his "Cambridge Computer" Z88. Spencer's Z80 based RC2014 project: http://bit.ly/SpencersRetroComputer 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....
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science, Sir Clive...
Computerphile
by Computerphile
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Rejuvenating an 'ancient' piece of technology for free with a new operating system. As Windows XP nears end-of-life, we look at whether we can re-purpose old bits of kit for free. Joe Nash gets hacking. EXTRA BITS - Realtime Boot Comparison: http://youtu.be/ondpla1KHAo EXTRA BITS - Creating a Bootable USB in Linux: http://youtu.be/LonQjMbjZR0 EXTRA BITS - Installing Ubuntu: http://youtu.be/ceYeTXHHSa0 Raspberry Pi Hardware: http://youtu.be/sx2HjuZBuo0 Laptop Specs: 2006 Dell Inspiron 6400 -...
Topics: Youtube, video, Education, computers, computerphile, computer science, joe nash, ubuntu, windows...
Computerphile
by Computerphile
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Artificial Immune Systems are taking on board cutting edge immunology research and creating algorithms that exploit it. Dr Julie Greensmith explains The Danger Theory. EXTRA BITS - Danger Theory Practical Demo: http://youtu.be/NXqIpU6Gejw AIS & Negative Selection: http://youtu.be/u2qRUtg2k3Y Public Key Cryptography: http://youtu.be/GSIDS_lvRv4 Crashes, Cosmic Rays and Kernel Panic: http://youtu.be/nr9auoHtvzM For more information on the Dendritic Cell Algorithm, visit Dr Greensmith's web...
Topics: Youtube, video, Education, computers, computerphile, dendritic cell algorithm, ais, artificial...
Computerphile
by Computerphile
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Hear Brian Kernighan on how he got into programming, the successors of C and the biggest challenges... Watch Part 2 before it's live!: https://youtu.be/VVpRj3Po6K4 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 Source:...
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science, K&R,...
Computerphile
by Computerphile
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Also known as "Zombie Armies", what exactly are botnets? Sheharbano Khattak of the University of Cambridge Computer Lab explains. 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 Source: https://www.youtube.com/watch?v=UVFmC178_Vs Uploader:...
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science, botnets,...
Computerphile
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An Ambitious project to recreate the Domesday book for the modern age, but already the machinery is obsolete. Roger Moore talks us through the BBC Domesday system. Thanks to The National Museum of Computing: http://bit.ly/ComputerphileTNMOC The footage of the Domesday 'walk around Brecon' was from this video : https://youtu.be/FV-GhqN7EFw BBC Domesday Reloaded: http://bit.ly/computerphileDomesday Indie Games & The Fourth Dimension: https://youtu.be/da5RoS4w5YU Fire Pong / Rule Zero in...
Topics: Youtube, video, Education, computers, computerphile, computer, science, BBC Microcomputer, BBC...
Computerphile
by Computerphile
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Postscript took off like a rocket but PDF took its time, many people wondering "What's it for?" Professor Brailsford's experience with one such person - a US immigration officer... Unrolling the Loops (Postscript/PDF intro): https://youtu.be/guXgBe2wvEA Fire Pong in Detail: https://youtu.be/ZoZMMg1r_Oc Deep Dream: https://youtu.be/BsSmBPmPeYQ FPS & Digital Video: https://youtu.be/yniSnYtkrwQ Password Cracking: https://youtu.be/7U-RbOKanYs http://www.facebook.com/computerphile...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Adobe, PDF, University of...
Computerphile
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Audible free book: http://www.audible.com/computerphile JavaScript is dangerous! Why? How are websites vulnerable to it? Find out about bug-bounties from Tom Scott. More from Tom Scott: http://www.youtube.com/user/enyay and https://twitter.com/tomscott http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computerphile is a sister project to Brady Haran's Numberphile. See the full list of Brady's video projects at:...
Topics: Youtube, video, Education, computers, computerphile, Website (Ontology Class), Cross-site Scripting...
Computerphile
by Computerphile
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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 https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University...
Topics: Youtube, video, Education, computers, computerphile, Alan Turing (Computer Scientist), Turing...
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by Computerphile
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Governments can censor access to the web, but how do they restrict access? Sheharbano Khattak, Research Assistant at the University of Cambridge Computer Laboratory takes us through the methods. EXTRA BITS: https://youtu.be/nqbyS_Z74nc 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....
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science,...
Computerphile
by Computerphile
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Audible 30 day free Trial: http://www.audible.com/computerphile Get your soldering iron out and build your own 1970's home computer! Spencer takes us through one retro kit. More about Spencer's RC2014 project: http://bit.ly/SpencersRetroComputer EXTRA BITS: https://youtu.be/kBt5GKj68G4 Retro Z80 Computer: https://youtu.be/OtpaY8VD52g Gamer's Paradise: https://youtu.be/HZzdXR0bV8o Computing Aladdin's Cave: https://youtu.be/zFb4tilDmBg Password Cracking: https://youtu.be/7U-RbOKanYs Cookie...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Computer Science, RC2014,...
Computerphile
by Computerphile
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If you thought mathematics exams were difficult, you should try printing them out! - Professor Brailsford takes us through Nottingham University's path to printing their own papers. The Great 202 Jailbreak: https://www.youtube.com/watch?v=CVxeuwlvf8w Democratisation of Fonts: COMING SOON! Maxwell's Equations Poster: http://www.eprg.org/computerphile/godsaid.pdf Nottingham Typesetting Implementation: http://www.eprg.org/computerphile/newprotext.pdf http://www.facebook.com/computerphile...
Topics: Youtube, video, Education, computers, computerphile, typesetting, mathematics, computer science,...
Computerphile
by Computerphile
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Uncomputable through to finite state - Professor Brailsford explains Chomsky's hierarchy. Turing and the Halting Problem: https://youtu.be/macM_MtS_w4 "Most Difficult Program" - Ackermann Function: http://youtu.be/i7sm9dzFtEI Busy Beaver Turing Machines: https://youtu.be/CE8UhcyJS0I Finite State Automata: https://youtu.be/vhiiia1_hC4 Reverse Polish & The Stack: https://youtu.be/7ha78yWRDlE Programming in Postscript: https://youtu.be/S_NXz7I5dQc Professor Brailsford's Notes:...
Topics: Youtube, video, Education, computers, computerphile, computer, science, noam chomsky, chomsky's...
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by Computerphile
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No internet, no networking; just a screen and a keyboard, or a pile of cards to punch holes in; mainframes were a world apart from today's smartphones and integrated circuits. Professor Brailsford remembers the Unix revolution. To hear about the omission of Gnu and Richard Stallman: http://youtu.be/Wi326Leuemg ICL computer photographs courtesy of couperus.org ICL punch-card photographs courtesy of yesterdaystechnology.com Professor Brailsford's discussion on the origin of Computer Science in...
Topics: Youtube, video, Education, computers, Mainframe Computer, icl, computer science, unix, linux, minix
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by Computerphile
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Each BIT in memory doesn't have it's own unique wiring, they share connections - Dr 'Heartbleed' Bagley explains how we address them. Binary: Plusses & Minuses (Why We Use Two's Complement): http://youtu.be/lKTsv6iVxV4 Flip Flops, Latches & Memory Details: http://youtu.be/-Ecf7lb4aZ0 Domino Addition – Numberphile: http://youtu.be/lNuPy-r1GuQ Computer Vision Playlist: http://www.youtube.com/playlist?list=PLzH6n4zXuckpbNdFO2WW78evpMBqgqyp8 Memory Recall - COMING SOON Professor Steve...
Topics: Youtube, video, Education, computers, computerphile, Memory Address, Computer Hardware (Industry),...
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by Computerphile
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Not enough just to crunch numbers in Air Traffic Control, you have to be able to display those numbers. John Linfield takes us through the kit. Corrective Comment: The Sony 2K monitors, as used at Swanwick/Prestwick, are not vector graphics displays. The PDP11/34s were more than a 'graphics card' they were Radar Display Processors which handled selection of the required radar data streams from the 12 odd available and also handled the inputs from the various control panels on the controller...
Topics: Youtube, video, Education, computers, computerphile, computer, science, NATS, Air Traffic Control,...
Computerphile
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The Mac is 30. Love it or loathe it, it certainly had a large impact on the world of computing. Professor Brailsford has some Extra Bits for us. Main 'Mac at 30' Film: http://youtu.be/NMlbUCAOEXw To read more stories about the personalities, and the environment within Apple at the time of the Macintosh, you can visit: http://www.bit.ly/30mac30 http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the...
Topics: Youtube, video, Education, computers, computerphile, computer science, university of nottingham,...
Computerphile
by Computerphile
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How did punch card systems work? Professor Brailsford delves further into the era of mainframe computing with this hands-on look at punch cards. Extra Material on Punch Cards: http://youtu.be/lkSGMrH5Kic Extra Material - behind the scenes: http://youtu.be/Wi326Leuemg Mainframes to Unix: https://www.youtube.com/watch?v=-rPPqm44xLs Near to the Metal: https://www.youtube.com/watch?v=uNuFVq5QeRk Addendum: "ICL punched cards actually have 12 rows -- not 11 as stated in the film. Choosing any...
Topics: Youtube, video, Education, computers, Computer Programming (Professional Field), computer science,...
Computerphile
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Hitler's High Command didn't use Enigma, they used a faster system called Lorenz, but when Allied forces first encountered it, they had no idea what it was and code-named it 'Tunny' (Tuna). Professor Brailsford explains why this relates to the early days of Computer Science Next Video in this series: https://youtu.be/yxx3Bkmv3ck The Professor's Notes: Undulator Sheet: http://bit.ly/computerphileundulator Teleprinter Code: http://bit.ly/computerphile5holetape Colossus & Bletchley Park:...
Topics: Youtube, video, Education, computers, computerphile, computer science, university of nottingham,...
Computerphile
by Computerphile
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Indoor navigation is tricky enough but try doing it in a swimming pool! Joe tells us how he's developed technology that could give you instant feedback on your swimming. EXTRA BITS: http://youtu.be/dgZvSB5MAIg More on Joe's swim tracking technology: http://bit.ly/swimmingapp 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...
Topics: Youtube, video, Education, computers, computerphile, computer, computer science, swim, swimming,...
Computerphile
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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 https://twitter.com/computer_phile This video was filmed and...
Topics: Youtube, video, Education, computers, computerphile, computer, science, CNN, Convolutional Neural...
Computerphile
by Computerphile
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Pixar researcher Tony DeRose spoke to Brady over on Numberphile, here's some extra stuff from their conversation not used in the main video. Math and Movies (Animation at Pixar) – Numberphile: http://youtu.be/mX0NB9IyYpU A Universe of Triangles: https://www.youtube.com/watch?v=KdyvizaygyY&list=PLzH6n4zXuckrPkEUK5iMQrQyvj9Z6WCrm YouTube's Secret Algorithm: http://youtu.be/BsCeNCVb-d8 Real Life Holodeck with an Oculus Rift: http://youtu.be/7ZPs7knvs7M http://www.facebook.com/computerphile...
Topics: Youtube, video, Education, computers, computerphile, Pixar (Production Company), computer science
Computerphile
by Computerphile
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Just how bad is it if your site is vulnerable to an SQL Injection? Dr Mike Pound shows us how they work. Cookie Stealing: https://youtu.be/T1QEs3mdJoc Rob Miles on Game Playing AI: https://youtu.be/5oXyibEgJr0 Secure Web Browsing: https://www.youtube.com/watch?v=E_wX40fQwEA Deep Learning: https://youtu.be/l42lr8AlrHk Tom Scott on SQL Injection: https://youtu.be/_jKylhJtPmI http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley....
Topics: Youtube, video, Education, computers, computerphile, computer, science, SQL, SQL Injection, SQL...
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by Computerphile
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A teenager in his bedroom playing Global Thermonuclear War 'online' via his IMSAI 8080 in the classic movie War Games - Jason from the Centre for Computing History shows us their IMSAI 8080 N.B. To clarify, both Jason and Sean have seen War Games. At the time of filming neither had seen the film "Ready Player One", which was not yet released. (War Games features in the Ernest Cline book "Ready Player One" - whether it survives the transfer to the big screen remains to be...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Computer Science, CCH,...
Computerphile
by Computerphile
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How are images represented in a computer? Image analyst & Research Fellow Mike Pound gives us a snapshot. (First in a series on computer vision) Digital Image Capture: COMING SOON Universe of Triangles: https://www.youtube.com/watch?v=KdyvizaygyY&list=PLzH6n4zXuckrPkEUK5iMQrQyvj9Z6WCrm Math & Movies – Numberphile: http://youtu.be/mX0NB9IyYpU Real Life Holodeck: http://youtu.be/7ZPs7knvs7M http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was...
Topics: Youtube, video, Education, computers, computerphile, Digital Image, university of nottingham,...
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by Computerphile
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Should Apple unlock a terrorists iPhone for the FBI? Professor Ross Anderson explains how this is a "Pandora's Box" situation. Buffer Overflow Attacks: https://youtu.be/1S0aBV-Waeo $5 Computer: https://youtu.be/WR0ghM3U0M4 AI Safety: https://youtu.be/IB1OvoCNnWY EXTRA BITS: https://youtu.be/6iGxNku7ilw 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:...
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science, FBI,...
Computerphile
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Audible Free Book: http://www.audible.com/computerphile Three or four laws to make robots and AI safe - should be simple right? Rob Miles on why these simple laws are so complicated. Silicon Brain: 1,000,000 ARM Cores: https://youtu.be/2e06C-yUwlc Chip & PIN Fraud: https://youtu.be/Ks0SOn8hjG8 AI Worst Case Scenario - Deadly Truth of AI: https://youtu.be/tcdVC4e6EV4 The Singularity & Friendly AI: https://youtu.be/uA9mxq3gneE AI Self Improvement: https://youtu.be/5qfIgCiYlfY Thanks to...
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science, asimov's...
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by Computerphile
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There's no central control over the internet, networks have to work together. Dr Tim Griffin of the University of Cambridge & formerly Bell Labs explains whysome things can't be simplified. EXTRA BITS: https://youtu.be/QuKJSRXtG8I Routers, The Internet & YouTube: https://youtu.be/AkxqkoxErRk 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...
Topics: Youtube, video, Education, computers, computerphile, computer, science, BGP, Border Gateway...
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by Computerphile
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Nottingham Hackspace member Michael Erskine has built an arcade machine to run his favourite game from his teens - Defender. http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was 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.com/20... Source: https://www.youtube.com/watch?v=pcR7ylW-Gok Uploader: Computerphile
Topics: Youtube, video, Education, MAME, Arcade, xubuntu, linux, computer, video game, Ubuntu (operating...