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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
movies

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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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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
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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
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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
by Computerphile
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Just what is a pipeline in the computer science sense? We asked Computer Science guru Professor Brian Kernighan Why Asimov's Laws of Robotics Don't Work: https://youtu.be/7PKx3kS7f4A Brian Kerninghan on Bell Labs: https://youtu.be/QFK6RG47bww Don Knuth on Email: https://youtu.be/QS8qwMna8_o Computer That Changed Everything: https://youtu.be/6LYRgrqJgDc 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, Unix (Operating System),...
Computerphile
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AI Safety isn't just Rob Miles' hobby horse, he shows us a published paper from some of the field's leading minds. More from Rob Miles on his channel: http://bit.ly/Rob_Miles_YouTube Apologies for the focus issues throughout this video, they were due to a camera fault. :( Thanks as ever to Nottingham Hackspace (at least the camera fault allows you to read some of their book titles) Concrete Problems in AI Safety paper: https://arxiv.org/pdf/1606.06565.pdf AI 'Stop Button' Problem:...
Topics: Youtube, video, Education, computers, computerphile, computer, science, AI, AI Safety, Concrete...
Computerphile
by Computerphile
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Walk around inside a working processor and see all the components operating. Jason Fitzpatrick shows us the Centre for Computer History's MegaProcessor . MegaProcessor was built by James Newman and is the largest working model processor in the world. Thanks once again to the Centre for Computing History in Cambridge Sun Microsystems Server: https://youtu.be/c5qH-LW3tq8 Altair 8800: https://youtu.be/cwEmnfy2BhI http://www.facebook.com/computerphile https://twitter.com/computer_phile This video...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Computer science,...
Computerphile
by Computerphile
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The Busy Beaver game, pointless? Or a lesson in the problems of computability? - How do you decide if something can be computed or not? Professor Brailsford's code and further reading: http://bit.ly/busybeaver Turing Machine Primer: http://youtu.be/DILF8usqp7M Busy Beaver Code: http://youtu.be/ZiTeuZSDB0U Ackermann Follow Up: http://youtu.be/uNACwX-O5lk Original 'Ackermann' Film (Most Difficult Program to Compute): http://youtu.be/i7sm9dzFtEI http://www.facebook.com/computerphile...
Topics: Youtube, video, Education, computers, computerphile, computer, computer science, busy beaver,...
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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What was The Imitation Game? It inspired the name for the recent Alan Turing's movie but just what was it? Professor Brailsford explains how Turing may have been having a joke on us. Turing Machines Explained: http://youtu.be/dNRDvLACg5Q How intelligent is AI?: http://youtu.be/hcoa7OMAmRk Hill Climbing Algorithm & AI: http://youtu.be/oSdPmxRCWws Binary +/- & addition: http://www.youtube.com/playlist?list=PLzH6n4zXuckoNSHbwO07m4sukkIFV92zV Turing & The Enigma:...
Topics: Youtube, video, Education, computers, computerphile, Alan Turing (Computer Scientist), Mathematical...
Computerphile
by Computerphile
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Why can't floating point do money? It's a brilliant solution for speed of calculations in the computer, but how and why does moving the decimal point (well, in this case binary or radix point) help and how does it get currency so wrong? 3D Graphics Playlist: http://www.youtube.com/playlist?list=PLzH6n4zXuckrPkEUK5iMQrQyvj9Z6WCrm The Trouble with Timezones: http://youtu.be/-5wpm-gesOY More from Tom Scott: http://www.youtube.com/user/enyay and https://twitter.com/tomscott...
Topics: Youtube, video, Education, computers, computerphile
Computerphile
by Computerphile
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A Computerphile viewer asked the question: Why do we need IP addresses when every network interface has its own Mac address? - I put it to Dr Richard Mortier; University Lecturer in the Computer Laboratory at the University of Cambridge Machine Learning Methods: https://youtu.be/qDbpYUbf3e0 How Search Engines Treat Data: https://youtu.be/vrjAIBgxm_w The Network Stack: https://youtu.be/PG9oKZdFb7w IP Addresses & the Internet: https://youtu.be/L6bDA5FK6gs http://www.facebook.com/computerphile...
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science, dr...
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...
Computerphile
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BWK, Professor Brian Kernighan visited Nottingham, so Professor Brailsford couldn't resist an 'on-camera' chat about Unix, Bell Labs and other aspects of Brian's glittering career. Brian Kerninghan on Bell Labs: https://youtu.be/QFK6RG47bww "C" Programming Language: Brian Kernighan: https://youtu.be/de2Hsvxaf8M The Great 202 Jailbreak: https://youtu.be/CVxeuwlvf8w Computer That Changed Everything: https://youtu.be/6LYRgrqJgDc More from BWK on other computer languages at:...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Brian Kernighan (Computer...
Computerphile
by Computerphile
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Surely decimal numbers are easier to understand than binary? So why don't computers use them? Professor Brailsford explains the relationships between binary, power and simplicity. EXTRA BITS: https://youtu.be/NlWuTYhF8KM Colossus & Bletchley Park: https://youtu.be/9HH-asvLAj4 Inside a Data Centre: https://youtu.be/fd3kSdu4W7c Steve Furber on ARM: https://youtu.be/1jOJl8gRPyQ Fishy Codes – Bletchley's Other Secret: https://youtu.be/Ou_9ntYRzzw http://www.facebook.com/computerphile...
Topics: Youtube, video, Education, computers, computerphile, computer, science, binary, decimal, logic,...
Computerphile
by Computerphile
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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
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,...
Computerphile
by Computerphile
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A $5 computer - where's the catch? Well, there doesn't seem to be one. Dr Steve "Heartbleed" Bagley explains the Raspberry Pi Zero. Chip & PIN Fraud: https://youtu.be/Ks0SOn8hjG8 Steve Furber on BBC Micro: https://youtu.be/y4WG549i3YY Why Asimov's Laws of Robotics Don't Work: https://youtu.be/7PKx3kS7f4A Festive Flashing Lights: https://youtu.be/o2RFdQMi4mg 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, rpi, raspberry pi,...
Computerphile
by Computerphile
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See how a Pick and Place robot works to complete a circuit board at Ciseco. Matt Lloyd takes us on a tour to illustrate how they design and make components and add-ons for the Raspberry Pi. 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:http://periodicvideos.blogspot.co.uk/... Source:...
Topics: Youtube, video, Education, computers, pick and place, Raspberry Pi (Computer), pcb, ic, Robot,...
Computerphile
by Computerphile
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When a Bitcoin Miner Mines, what is happening? Dr Mike Pound exposes the process.. note: at 3:39 Mike mentions a Bitcoin is mined every ten minutes when it is actually a block that is mined every ten minutes, at time of recording a successful block generates 12.5 new Bitcoins. Password Cracking: https://youtu.be/7U-RbOKanYs Onion Routing (TOR): https://youtu.be/QRYzre4bf7I https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley....
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Topics: Youtube, video, Education, computers, computerphile, computer, science, Computer Science, Bitcoin,...
Computerphile
by Computerphile
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How do you pick the perfect password? Is it as simple as XKCD make out, or is there more to it? Dr Mike Pound follows on from his password cracking video. Password Cracking on a 4x Titan X Beast: https://youtu.be/7U-RbOKanYs EXTRA BITS: https://youtu.be/kFQ_W8zAplc Indie Game Developer: https://youtu.be/da5RoS4w5YU Indie App Developer: https://youtu.be/yVRtJbXQsL8 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, computer, science, computer science,...
Computerphile
by Computerphile
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Charles Babbage's Analytical Engine was designed as the first Turing complete computer - before Turing was even born. Sadly it was never built. Professor Brailsford explains with the help of Sydney Padua's illustrations. More of Sydney's work: http://bit.ly/1de83fM The Professor's notes: http://www.eprg.org/computerphile/new-adatalk.pdf Analytical Engine project: http://bit.ly/Computerphile_Plan28 Lovelace Symposium : http://bit.ly/Computerphile_LovelaceSymp Stephen Wolfram's Blog on Ada...
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science,...
Computerphile
by Computerphile
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What does it mean for something to be Turing Complete? Professor Brailsford explains. Turing Machine Primer: https://youtu.be/DILF8usqp7M Turing Machines Explained: https://youtu.be/dNRDvLACg5Q Chomsky Hierarchy: https://youtu.be/224plb3bCog What on Earth is Recursion?: https://youtu.be/Mv9NEXX1VHc 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, turing complete, computer...
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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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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An Apple I was discovered in a pile of electronics. It sold for $200,000, but why so valuable? Dr Steve Bagley talks about this seminal machine. Little Mac with a Big Bite: https://youtu.be/NMlbUCAOEXw Building the BBC Micro: https://youtu.be/y4WG549i3YY Altair 8800: https://youtu.be/6LYRgrqJgDc Apple I schematics available: http://bit.ly/1Q4yJJc 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, Apple Inc. (Publisher), Computer (Industry),...
Computerphile
by Computerphile
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End to end encryption, government ministers are again talking about stopping it. What is it and why might that be a bad idea? Dr Mike Pound explains. Hololens: https://youtu.be/gp8UiYOw8Fc Blockchain: https://youtu.be/qcuc3rgwZAE 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...
Topics: Youtube, video, Education, computers, computerphile, computer, science, University of Nottingham,...
Computerphile
by Computerphile
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How well sorted is your algorithm? Choosing the right method to sort numbers has a huge effect on how quickly a computer can process a task. Alex Pinkney talks about two popular sorting algorithms and how they 'scale up.' Follow up film "Quick Sort": http://youtu.be/XE4VP_8Y0BU Alex's code that generated the data for the tests: https://github.com/apinkney97/Sorts Alex's graph of all the results: http://eprg.org/allplots.pdf http://www.facebook.com/computerphile...
Topics: Youtube, video, Education, computers, sorting, university of nottingham, computer science
Computerphile
by Computerphile
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$300 or your files are toast: Dr Pound takes a look at the latest ransomware to be doing the rounds. How Wana Decrypt0r encrypts files: https://youtu.be/pLluFxHrc30 Microsoft Blog: http://bit.ly/Computerphile-Wana_MS Professor Ross Anderson's blog: http://bit.ly/Computerphile-Wana_Ross MalwareTech's blog: http://bit.ly/Computerphile-Wana_Mal End to End Encryption: https://youtu.be/jkV1KEJGKRA Internet of Things Problems: https://youtu.be/PLiE0Nr8VOE http://www.facebook.com/computerphile...
Topics: Youtube, video, Education, computers, computerphile, computer, science, wanacry, wana decrypt0r,...
Computerphile
by Computerphile
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Audible Free Book: http://www.audible.com/computerphile Following on from our film on recursion, Professor Brailsford uses the Fibonacci Sequence as a further demonstration of recursive programming. Original Recursion film: http://youtu.be/Mv9NEXX1VHc Fibononacci on Numberphile Sunflowers and Fibonacci: http://youtu.be/DRjFV_DETKQ Tartan and Bagpipes: http://youtu.be/e4sF_Z5oJek Fibonacci Mystery: http://youtu.be/Nu-lW-Ifyec Professor Brailsford's programs and a hint of what is to come:...
Topics: Youtube, video, Education, computers, computerphile, computer science, recursion, fibonacci,...
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
by Computerphile
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JPEG Isn't a file format. Image Analyst Mike Pound explains why not in our first in a series about how JPEG works. Colourspaces: https://youtu.be/LFXN9PiOGtY Elegant Compression (The LZ Method): https://youtu.be/goOa3DGezUA Capturing Digital Images (The Bayer Filter): https://youtu.be/LWxu4rkZBLw Discrete Cosine Transform: https://youtu.be/Q2aEzeMDHMA 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, JPEG (File Format), Photography (Visual Art...
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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What better way to understand how a computer works than to build one from components. Spencer built a Z80 based machine from scratch at Nottingham Hackspace. Grant Searle's Z80 Webpage: http://bit.ly/z80computer Nottingham Hackspace: http://bit.ly/notthack A Career in Video Games: http://youtu.be/Q9igeV_YV-s The little Mac with the Big Bite: http://youtu.be/NMlbUCAOEXw http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. With...
Topics: Youtube, video, Education, computers, computerphile, Zilog Z80 (Computer Processor), zx81,...
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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Voting is centuries old, why can't we move with the times and use our phones, tablets and computers? Tom Scott lays out why e-voting is such a bad idea. 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. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's...
Topics: Youtube, video, Education, computers, computerphile, tom scott, voting, e-voting, electronic...
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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Denial of service usually relies on a flood of data. Slow Loris takes a more elegant approach, and almost bores a server to death. Dr Mike Pound explains. Cracking Windows by Atom Bombing: https://youtu.be/rRxuh9fp7QI Zero Size Files: https://youtu.be/kiTTAbeqQKY Google Deep Dream: https://youtu.be/BsSmBPmPeYQ Babbage's Analytical Engine: COMING SOON 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, DOS, Denial of Service,...
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...
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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:...
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Computerphile
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The CERN computer grid processes the information from the world's most powerful particle accelerator. Brady gives us a tour of the heart of the operation: CERN's Tier 0. CERN Interviews: http://youtu.be/cj8ZNgnzSSU http://www.facebook.com/computerphile https://twitter.com/computer_phile Film by Brady Haran. Computerphile is a sister project to Numberphile. See the full list of Brady's video projects at: http://bit.ly/bradychannels Source: https://www.youtube.com/watch?v=S0MgJFGL5jg Uploader:...
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Security of users' passwords should be at the forefront of every web developer's mind. Tom takes us through the insecure ways in which some websites deal with passwords. Note: At circa 8mins, the animation does not show how the 'salt' is also stored in the database alongside the username. Hashing Algorithms and Security: http://youtu.be/b4b8ktEV4Bg Security of Data on Disk: http://youtu.be/4SSSMi4X_mA More from Tom Scott: http://www.youtube.com/user/enyay and https://twitter.com/tomscott...
Topics: Youtube, video, Education, computers, computerphile, Tom Scott, password, hashing, salting, hash...
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You can't beat physics. Why the chip manufacturers are heading for a wall. We asked nano-scientist Phil Moriarty Professor of Physics in the School of Physics and Astronomy, University of Nottingham EXTRA BITS: https://youtu.be/gLF9z4dGKnw Teaching Physics in Ethiopia: https://youtu.be/-_Gv9C56heM Is it the end for Moore's Law: https://youtu.be/X8v1BB0UaDs Password Cracking: https://youtu.be/7U-RbOKanYs Gamer's Paradise: https://youtu.be/HZzdXR0bV8o http://www.facebook.com/computerphile...
Topics: Youtube, video, Education, computers, computerphile, computer, science, 14nm, Silicon Chip,...
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by Computerphile
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Which is faster? The results *may* just surprise you. Dr 'Heartbleed' Bagley gives us an in depth shoot-out - Arrays vs Linked Lists... Link to code can be found in Dr Bagley's tweet: https://t.co/4kg3AZDA57 Sun Server: https://youtu.be/c5qH-LW3tq8 Megaprocessor: https://youtu.be/lNa9bQRPMB8 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, array, linked list, speed...
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Where did 'Angle Brackets' or 'Pointy Brackets' come from? Professor Brailsford explains some of the essential notation for Computer Science. ARM on Hardware vs Software: https://youtu.be/fZ53y0KsWhY CPU vs GPU: https://youtu.be/_cyVDoyI6NE Computers with No Memory: https://youtu.be/vhiiia1_hC4 Prehistoric Rock Scanner: https://youtu.be/Ahdnkj77rAY http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the...
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Dijkstra's Algorithm finds the shortest path between two points. Dr Mike Pound explains how it works. How Sat Nav Works: https://youtu.be/EUrU1y5is3Y Slow Loris Attack: https://youtu.be/XiFkyR35v2Y 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...
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Computerphile
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Just how do you go from a binary number to a printed out numeric character? Professor Brailsford takes us through Binary Coded Decimal IBM, EBCDIC & a Meg-in-a-box: https://youtu.be/FUIqtevjod4 Atari 2600 VCS Programming: https://youtu.be/fce39nQm9TY 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...
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The 4th dimension? A concept Marc ten Bosch has used to create an innovative game. We talk to him about developing Miegakure. More: http://bit.ly/MiegakureGame EXTRA BITS: Indie Game Development: http://youtu.be/7AF8CV1zDrc A Universe of Triangles: http://www.youtube.com/playlist?list=PLzH6n4zXuckrPkEUK5iMQrQyvj9Z6WCrm Z80 Retro Computer: http://youtu.be/OtpaY8VD52g The VR Cave: http://youtu.be/STMcWUtQr1Y http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was...
Topics: Youtube, video, Education, computers, computerphile, Indie Game (Video Game Publisher), Independent...
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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...
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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...
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Ada Lovelace became known as the world's first computer programmer - Professor Brailsford on how being poet Byron's daughter inadvertently sent her down a scientific path. The Professor's notes: http://www.eprg.org/computerphile/new-adatalk.pdf Ada's actual paper: http://bit.ly/Computerphile_Ada_Paper Sega Game Coding: https://youtu.be/GH94fKtGr0M Complete 'Babbage & Lovelace' Playlist: https://www.youtube.com/playlist?list=PLzH6n4zXuckqKMcpQANsyPJId7jkxq7g8 Sixty Symbols - Ada's Tomb:...
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Never use JPEG with text. But why? Image Analyst Mike Pound explains what goes wrong when JPEG tries to compress text. Holy Grail of AI: https://youtu.be/tlS5Y2vm02c Computer That Changed Everything: https://youtu.be/6LYRgrqJgDc Arduino Hardware: https://youtu.be/b4z1zkmo1BE How JPEG Works: https://www.youtube.com/playlist?list=PLzH6n4zXuckoAod3z31QEST1ZaizBuNHh http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer...
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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...
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Quick Sort is a popular sorting algorithm, but how does it work? Alex continues our exploration of sorting algorithms with a quick look at quick sort. Original 'get sorted' film: http://youtu.be/kgBjXUE_Nwc Cookies: http://youtu.be/LHSSY8QNvew Alex's code that generated the data for the tests on the original 'get sorted' video: https://github.com/apinkney97/Sorts Alex's graph of all the results from his tests on the original 'get sorted' video: http://eprg.org/allplots.pdf...
Topics: Youtube, video, Education, computers, computer science, quick sort, algorithm
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How do logic gates store information? - We explore how computer memory works with Dr. Steve "Heartbleed" Bagley Domino Addition -- Numberphile: http://youtu.be/lNuPy-r1GuQ YouTube's Secret Algorithm: http://youtu.be/BsCeNCVb-d8 Opening up the 30yr old Mac: http://youtu.be/wFJrHuSXnZM 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 Memory, computer science, university...
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K-means sorts data based on averages. Dr Mike Pound explains how it works. Fire Pong in Detail: https://youtu.be/ZoZMMg1r_Oc Deep Dream: https://youtu.be/BsSmBPmPeYQ FPS & Digital Video: https://youtu.be/yniSnYtkrwQ Dr. Mike's Code: % This script is the one mentioned during the Computerphile Image % Segmentation video. I chose matlab because it's a popular tool for % quickly prototyping things. Matlab licenses are pricey, if you don't have % one (or, like me, work for an organisation that...
Topics: Youtube, video, Education, computers, computerphile, computer, science, computer science, Dr Mike...
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As communications become more complicated, the amount of bits required to succesfully correct an error increases, but by how much? Professor Brailsford talks multi-dimensional parity bits. Professor Brailsford's earlier videos: https://www.youtube.com/playlist?list=PLzH6n4zXuckpKAj1_88VS-8Z6yn9zX_P6 Special thanks to Prof Ray Hill, University of Salford UK for much consultancy and advice. Apologies for the typo in the title of this video. http://www.facebook.com/computerphile...
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The Human Brain Project is behind this attempt to build a million core brain simulator. Professor Steve Furber of the University of Manchester & one of the pioneers behind the original ARM chip, takes us through the SpiNNaker Project. How Computer Memory Works: https://youtu.be/XETZoRYdtkw Don Knuth on Email: https://youtu.be/QS8qwMna8_o Brian Kerninghan on Bell Labs: https://youtu.be/QFK6RG47bww "C" Programming Language: Brian Kernighan: https://youtu.be/de2Hsvxaf8M Steve Furber...
Topics: Youtube, video, Education, computers, computerphile, Brain (Anatomical Structure), Central...
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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...
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What good is knowing you have a problem if you can't fix it? - Professor Brailsford explains Hamming Codes and how errors can not just be detected, but also corrected. Original Compression film: http://youtu.be/Lto-ajuqW3w Entropy in Compression: http://youtu.be/M5c_RFKVkko Error Detection: http://youtu.be/-15nx57tbfc Home-made Video Arcade: http://youtu.be/pcR7ylW-Gok BASIC & Sorting: http://youtu.be/Ou2A-JWszVA http://www.facebook.com/computerphile https://twitter.com/computer_phile This...
Topics: Youtube, video, Education, computers, computerphile, error detection, error correction, Computer...
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Nearest Neighbour and BiLinear resize explained by Dr Mike Pound Fire Pong: https://youtu.be/T6EBe_5LxO8 Google Deep Dream: https://youtu.be/BsSmBPmPeYQ FPS & Digital Video: https://youtu.be/yniSnYtkrwQ 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, computer...
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Nearing completion, Matt's baby, Tanglewood, for Sega's veteran console, is being written purely in assembler - we caught up with him and the game a year on. More info on Matt's Project: http://www.tanglewoodgame.com/info Eternal thanks to the National Videogame Arcade in Nottingham for hosting us! http://bit.ly/Computerphile_NVA More Assembler Coding: Coming Soon! Sega Game Development: https://youtu.be/GH94fKtGr0M Game Physics in Assembler: https://youtu.be/Kalmryn9_sE...
Topics: Youtube, video, Education, computers, computerphile, computer, science, Sega, Megadrive, Genesis,...
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Whether its the Darwin Award nominees or simply another crazy cat, animated GIFs have a lot to answer for. They're also a perfect example of one of Computer Science's fundamental principles - Tom Scott explains. More from Tom Scott: http://www.youtube.com/user/enyay and https://twitter.com/tomscott How NOT to Store Passwords: http://youtu.be/8ZtInClXe1Q LZ Text Compression: http://youtu.be/goOa3DGezUA http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed...
Topics: Youtube, video, Education, computers, computerphile, Graphics Interchange Format (File Format),...
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Free book: http://www.audible.com/computerphile What if the Universe is just a computer simulation? What is fundamental particles are really just "bits"? Featuring physicist Phil Moriarty from the University of Nottingham. Also check out our Scale of the Universe song on Sixty Symbols: http://youtu.be/XRdh8gmVR90 See more of Phil at Sixty Symbols - http://www.youtube.com/sixtysymbols http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and...
Topics: Youtube, video, Education, computers, simulation, computerphile, game of life, Computer Simulation...
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Just what is an algorithm? - Before Computerphile delves into complex computer theory, we define algorithms and how they are used in Computer Science. 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. See the full list of Brady's video projects...
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We want to know what you want to see on this channel - leave a comment below or contact us via social media to let us know. We're listening! 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=DW4f1x6IQ9o Uploader: Computerphile
Topics: Youtube, video, Education, computer, computers, mac, apple, pc, linux, android, games, gaming,...
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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...
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Taking edges one step further with Hysteresis Thresholding - The Canny Operator explained by Image Analyst Dr Mike Pound Finding the Edges (Sobel Operator): https://youtu.be/uihBwtPIBxM How Blurs & Filters work: https://youtu.be/C_zFhWdM4ic Why Asimov's Three Laws Don't Work: https://youtu.be/7PKx3kS7f4A Geometric Face Recognition: https://youtu.be/BCBZPtZCI7w 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, computer, science, hysteresis thresholding,...
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Machine Learning has allowed nano-scientists to Autofocus their equipment for the first time - at an atomic level. Professor Moriarty on the paper he wishes his group had published. Physics of Computer Chips: https://youtu.be/xkLAhU74f3s Neural Network that Changes Everything: https://youtu.be/py5byOOHZM8 The paper Phil Discusses: https://bit.ly/2tSdVy4 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, Physics,...
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In this era of invisible computing how do you define a computer? Professor Tom Rodden talks to Brady about what counts and what doesn't. EXTRA BITS: http://youtu.be/xzYOx_gT4_w Mainframes and the Unix Revolution: http://youtu.be/-rPPqm44xLs 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...
Topics: Youtube, video, Education, computers, computerphile, computer science, university of nottingham,...
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As two new games consoles are released on to the market - Ian talks about how gaming has instead been revolutionised by stealth - via smart-phones & tablets. Ian Livingstone is Life President of Square Enix and Eidos. 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: http://bit.ly/bradychannels Source:...
Topics: Youtube, video, Education, computers, computerphile, Golden Age Of Arcade Video Games, Video Game...
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Opening up the impenetrable Mac - Just what is inside this 30 year old Macintosh? Dr Steve Bagley opens it up in order to upgrade it and show us how it works. The Little Mac with the Big Bite: http://youtu.be/NMlbUCAOEXw Is it the End for Moore's Law?: http://youtu.be/X8v1BB0UaDs Home Made Z80 Computer: http://youtu.be/OtpaY8VD52g 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, mac, Macintosh (Computer), Macintosh Plus...
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How do we control our own data while allowing it to be mined? Dr Richard Mortier of The University of Cambridge discusses some of the issues behind data harvesting. Thanks to the University of Cambridge Computer Laboratory. EXTRA BITS: https://youtu.be/6VLzTV-5Orc The MegaProcessor: https://youtu.be/lNa9bQRPMB8 More info on Dr Mortier's research: http://hdiresearch.org/ https://databoxproject.uk/ 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, Dr...
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Audible free book: http://www.audible.com/computerphile Circuits that use latches to store data are a cornerstone of computing. Dr Steve Bagley shows us how to put one together. How Computer Memory Works (Part 1): http://youtu.be/XETZoRYdtkw How Gangnam Style Broke YouTube: http://youtu.be/vA0Rl6Ne5C8 Why Internet Slows Down When it's Busy: http://youtu.be/TSJw_oQklz8 Opening up the 30yr old Mac: http://youtu.be/wFJrHuSXnZM http://www.facebook.com/computerphile...
Topics: Youtube, video, Education, computers, computerphile, Memory (Quotation Subject), computer science,...