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Season 2020
Professor Brailsford on one of our most requested topics.
Professor Brailsford on one of our most requested topics.
Atari to Zelda, the National Videogame Museum has it covered - Conor Clarke gave Computerphile a personal tour.
Atari to Zelda, the National Videogame Museum has it covered - Conor Clarke gave Computerphile a personal tour.
In the early days the UK had its own thoughts on how email addresses should look. Dr Julian Onions was there!
In the early days the UK had its own thoughts on how email addresses should look. Dr Julian Onions was there!
Hello World on the Sega Megadrive/Genesis - its quite an involved process to write Hello World on a machine that doesn't even have an operating system. Matt Phillips, of Big Evil Corp demostrates the 'wonky R'
Hello World on the Sega Megadrive/Genesis - its quite an involved process to write Hello World on a machine that doesn't even have an operating system. Matt Phillips, of Big Evil Corp demostrates the 'wonky R'
Professor Brailsford takes the theory of RegEx and puts it into practice.
Professor Brailsford takes the theory of RegEx and puts it into practice.
Rob Miles discusses the idea of a gym for training AI algorithms.
Rob Miles discusses the idea of a gym for training AI algorithms.
Functional or Combinator Parsing explained by Professor Graham Hutton.
Functional or Combinator Parsing explained by Professor Graham Hutton.
How do computers represent multi-dimensional data? Dr Mike Pound explains the mapping.
How do computers represent multi-dimensional data? Dr Mike Pound explains the mapping.
Fun comes in many forms - playing puzzles, or writing programs that solve the puzzles for you. Professor Thorsten Altenkirch on a recursive Sudoku solver.
Fun comes in many forms - playing puzzles, or writing programs that solve the puzzles for you. Professor Thorsten Altenkirch on a recursive Sudoku solver.
Why are some cameras faster to focus than others? Dr Andy French explains the different approaches the computers inside cameras use to focus.
Why are some cameras faster to focus than others? Dr Andy French explains the different approaches the computers inside cameras use to focus.
One of the most elegant solutions for cryptography. Dr Mike Pound explains one of his most favourite ciphers.
One of the most elegant solutions for cryptography. Dr Mike Pound explains one of his most favourite ciphers.
Working with regular expressions to decode Roman Numerals. Professor Brailsford is on the case.
Working with regular expressions to decode Roman Numerals. Professor Brailsford is on the case.
For Mathematics, trees are more useful than strings. Professor Thorsten Altenkirch takes us through a functional approach to coding them in Python.
For Mathematics, trees are more useful than strings. Professor Thorsten Altenkirch takes us through a functional approach to coding them in Python.
Bring Donkey Kong home! - The unenviable task given to Masayuki Uemura by Nintendo bosses in the early '80s. Unimpressed by Atari's 2600 they set out to bring a true videogame arcade experience into the home.
Bring Donkey Kong home! - The unenviable task given to Masayuki Uemura by Nintendo bosses in the early '80s. Unimpressed by Atari's 2600 they set out to bring a true videogame arcade experience into the home.
What do the various levels of encryption mean, and why use one over another? Dr Mike Pound takes us through the cryptic world of encryption levels.
What do the various levels of encryption mean, and why use one over another? Dr Mike Pound takes us through the cryptic world of encryption levels.
2020x16
Why My Computer Wants to Forget (How Dynamic Memory Works)
Episode overview
To save silicon, RAM is built to forget. Dr Steve Bagley explains how dynamic memory saves on space but at a cost.
To save silicon, RAM is built to forget. Dr Steve Bagley explains how dynamic memory saves on space but at a cost.
As we move towards a remote working culture, Dr Steve Bagley remotely connects to explain what VPN is & how it works.
As we move towards a remote working culture, Dr Steve Bagley remotely connects to explain what VPN is & how it works.
It's all about the input. You can't always give all a function's inputs at the same time. Professor Graham Hutton explains about curried functions.
It's all about the input. You can't always give all a function's inputs at the same time. Professor Graham Hutton explains about curried functions.
Kerberos is an authentication method - Dr Mike Pound explains how it works so neatly.
Kerberos is an authentication method - Dr Mike Pound explains how it works so neatly.
Why it's a bad idea to build a Virtual Private Network using TCP. Dr Steve Bagley on TCP over TCP...
Why it's a bad idea to build a Virtual Private Network using TCP. Dr Steve Bagley on TCP over TCP...
This episode has no summary.
This episode has no summary.
As we contemplate life after lock-down, what technology could help the health services to work out how viruses can spread? Dr Mike Pound & Dr Steve Bagley chat to Sean.
As we contemplate life after lock-down, what technology could help the health services to work out how viruses can spread? Dr Mike Pound & Dr Steve Bagley chat to Sean.
Professor Brailsford on why he's updating his OS and Hardware while in isolation (with remote support from Dr Bagley)
Professor Brailsford on why he's updating his OS and Hardware while in isolation (with remote support from Dr Bagley)
Zoom, House Party, Teams, Skype or whatever. Dr Steve Bagley on the trade-offs all platforms must balance to keep you connected.
Zoom, House Party, Teams, Skype or whatever. Dr Steve Bagley on the trade-offs all platforms must balance to keep you connected.
You don't just 'run a cipher' - you need a mode of operation. Dr Mike Pound explains some relative to the Feistel cipher.
You don't just 'run a cipher' - you need a mode of operation. Dr Mike Pound explains some relative to the Feistel cipher.
Improve the efficiency of recursive code by re-writing it to be tail recursive. Professor Graham Hutton explains.
Improve the efficiency of recursive code by re-writing it to be tail recursive. Professor Graham Hutton explains.
ALGOL 60, a brand new programming language, 60 years ago! Professor Brailsford used to have to teach it - here he shows us some of the code.
ALGOL 60, a brand new programming language, 60 years ago! Professor Brailsford used to have to teach it - here he shows us some of the code.
In this mini-series, Dr Isaac Triguero walks us through creating a simple Pong-like game in Python, using the PyGame library.
In this mini-series, Dr Isaac Triguero walks us through creating a simple Pong-like game in Python, using the PyGame library.
The second part of Dr Isaac Triguero's walkthrough of creating a Pong-like game in Python, using PyGame.
The second part of Dr Isaac Triguero's walkthrough of creating a Pong-like game in Python, using PyGame.
Squash-Pong needs a ball and a paddle - Dr Isaac Triguero continues the PyGame mini-series.
Squash-Pong needs a ball and a paddle - Dr Isaac Triguero continues the PyGame mini-series.
Taking the Squash Pong game and using data science to make it AI powered! Dr Isaac Triguero uses regression & nearest neighbour.
Taking the Squash Pong game and using data science to make it AI powered! Dr Isaac Triguero uses regression & nearest neighbour.
Coding Partial Derivatives in Python is a good way to understand what Machine Learning "secret sauce" has to do. Professor Thorsten Altenkirch explains what it means, and then demos in Python.
Coding Partial Derivatives in Python is a good way to understand what Machine Learning "secret sauce" has to do. Professor Thorsten Altenkirch explains what it means, and then demos in Python.
Basic mathematics from a language model? Rob Miles on GPT3, where it seems like size does matter!
Basic mathematics from a language model? Rob Miles on GPT3, where it seems like size does matter!
How do websites marry up to their IP addresses? Dr Mike Pound explains the Domain Name System - DNS.
How do websites marry up to their IP addresses? Dr Mike Pound explains the Domain Name System - DNS.
What's in an eBook file? Dr Steve Bagley delves inside 'Beautiful Code' to find out. As we used "Beautiful Code" as our example, here's a link to the publish...
What's in an eBook file? Dr Steve Bagley delves inside 'Beautiful Code' to find out. As we used "Beautiful Code" as our example, here's a link to the publish...
Poisoning the DNS cache is a sure way to serve malware to unsuspecting users. Dr Mike Pound explains some of the ways this has been accomplished.
Poisoning the DNS cache is a sure way to serve malware to unsuspecting users. Dr Mike Pound explains some of the ways this has been accomplished.
Discussing "Real" Programmers from the early days of computing with Dr Julian Onions.
Discussing "Real" Programmers from the early days of computing with Dr Julian Onions.
We put some of your questions to Dr Mike Pound.
We put some of your questions to Dr Mike Pound.
Pascal evolved from Algol 60. Professor Brailsford discusses the rift in the Algol committee that lead to its creation.
Pascal evolved from Algol 60. Professor Brailsford discusses the rift in the Algol committee that lead to its creation.
How 'not to code' with our "real" programmer - who, as Julian explains, is demoing what NOT to do. Dr Julian Onions tells us more about Mel.
How 'not to code' with our "real" programmer - who, as Julian explains, is demoing what NOT to do. Dr Julian Onions tells us more about Mel.
Laziness is a virtue - well, in programming anyway! Professor Thorsten Altenkirch on how you can use the 'yield' to compute certain things "on demand"
Laziness is a virtue - well, in programming anyway! Professor Thorsten Altenkirch on how you can use the 'yield' to compute certain things "on demand"
The highest signed 32bit integer is a ticking timebomb - sort of... Dr Tim Muller explains why it's his #MegaFavNumber
The highest signed 32bit integer is a ticking timebomb - sort of... Dr Tim Muller explains why it's his #MegaFavNumber
Memristors, Artificial Synapses & Neomorphic Computing. Dr Phil Moriarty on the limitations of the Von Neumann architecture and what could be next.
Memristors, Artificial Synapses & Neomorphic Computing. Dr Phil Moriarty on the limitations of the Von Neumann architecture and what could be next.
Virtual Backgrounds and grainy webcams - what else can we do to improve video conferencing? Dr Max Wilson on a couple of innovations you can try today.
Virtual Backgrounds and grainy webcams - what else can we do to improve video conferencing? Dr Max Wilson on a couple of innovations you can try today.
Computer Scientists had to make choices for what system to use for different student use cases. Professor Brailsford on whether to choose Algol 68 or Pascal. Or both.
Computer Scientists had to make choices for what system to use for different student use cases. Professor Brailsford on whether to choose Algol 68 or Pascal. Or both.
Tournament selection, roulette selection, mutation, crossover - all processes used in genetic algorithms. Dr Alex Turner explains using the Knapsack Problem.
Tournament selection, roulette selection, mutation, crossover - all processes used in genetic algorithms. Dr Alex Turner explains using the Knapsack Problem.
Breaking the unbreakable loop. More on how self-modifying code can be a neat hack, that's almost unmaintainable. Dr Julian Onions recalls the "Real Programmer" story that circulated in the early '80s.
Breaking the unbreakable loop. More on how self-modifying code can be a neat hack, that's almost unmaintainable. Dr Julian Onions recalls the "Real Programmer" story that circulated in the early '80s.
Millions of lines of code - how do you keep them bug free? Facebook's Professor Peter O'Hearn talks us through "Infer" their code checker which dallies with the idea of undecidability.
Millions of lines of code - how do you keep them bug free? Facebook's Professor Peter O'Hearn talks us through "Infer" their code checker which dallies with the idea of undecidability.
It's absolutely everywhere, but what is TLS and where did it come from? Dr Mike Pound explains the background behind this ubiquitous Internet security protocol.
It's absolutely everywhere, but what is TLS and where did it come from? Dr Mike Pound explains the background behind this ubiquitous Internet security protocol.
In November 1988 the first worm caused huge problems on the Internet. Dr Julian Onions remembers the story.
In November 1988 the first worm caused huge problems on the Internet. Dr Julian Onions remembers the story.
How does your computer arrange with a server to start talking in code? Dr Mike Pound explains the TLS handshake where the server and client organise everything.
How does your computer arrange with a server to start talking in code? Dr Mike Pound explains the TLS handshake where the server and client organise everything.
Demonstrating how complex systems can arise from simple rules, random boolean networks also have some surprising properties... sometimes! Dr Alex Turner generates some.
Demonstrating how complex systems can arise from simple rules, random boolean networks also have some surprising properties... sometimes! Dr Alex Turner generates some.
Underpinning the Internet are countless network routers - how do they work out the route to send your data along? Dr Richard G Clegg of Queen Mary University London explains the Bellman Ford distance vector algorithm.
Underpinning the Internet are countless network routers - how do they work out the route to send your data along? Dr Richard G Clegg of Queen Mary University London explains the Bellman Ford distance vector algorithm.
Program Correctness is incredibly important in computing - particularly in hardware design. Professor Graham Hutton takes us through a simple example using arithmetic.
Program Correctness is incredibly important in computing - particularly in hardware design. Professor Graham Hutton takes us through a simple example using arithmetic.
When Sun added network abilities to a messaging feature, one user managed to contact more people than he'd bargained for. Dr Julian Onions takes us through the rwall incident of 1987.
When Sun added network abilities to a messaging feature, one user managed to contact more people than he'd bargained for. Dr Julian Onions takes us through the rwall incident of 1987.
How do you verify that someone is who they say they are? Dr Mike Pound on digital signatures.
How do you verify that someone is who they say they are? Dr Mike Pound on digital signatures.
Billions of possibilities - Dr Alex Turner borrowed some cluster time to obtain all of the potential results from all the possible games of Countdown's Numbers Game.
Billions of possibilities - Dr Alex Turner borrowed some cluster time to obtain all of the potential results from all the possible games of Countdown's Numbers Game.
Used by millions every day we're dissecting mice today. Dr Steve Bagley takes us through the workings, starting with a ball-powered rodent.
Used by millions every day we're dissecting mice today. Dr Steve Bagley takes us through the workings, starting with a ball-powered rodent.
2020x59
Season finale
ALOHAnet: Grandfather of All Computer Networks
Episode overview
How do you share a 1960's computer across a bunch of islands? Wireless networking of course - although, like Norman Abramson & his team, you'd have to invent it first. Dr Steve Bagley on Hawaii's Aloha Net.
How do you share a 1960's computer across a bunch of islands? Wireless networking of course - although, like Norman Abramson & his team, you'd have to invent it first. Dr Steve Bagley on Hawaii's Aloha Net.
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