From Computerphile. The PDP1 was a groundbreaking computer from the 1950’s – but where does it fit into computing history and how would you use it? Thanks to Angelo Papenhoff from "Obsolescence Guaranteed" for demonstrating the PiDP1 emulator! Obsolescence Guaranteed: https://obsolescence.dev/ Minskytron online: https://www.masswerk.at/minskytron/ Computerphile is supported by Jane Street. Learn more about them (and…

From Computerphile. When you’re setting your hardware design out using automated tools is essential, but what if the tools themselves have bugs in them? John P Wickerson is based at Imperial College London. The paper that John’s team wrote about the work: https://johnwickerson.github.io/papers/fuzzing_pnr.pdf An accessible blogpost John wrote about the work: https://johnwickerson.wordpress.com/2026/01/06/finding-bugs-in-fpga-place-and-route-tools/ Computerphile is supported…

From Computerphile. B is the forerunner to C – but seemed lost – Angelo Papenhoff decided to change it and brought it back from the brink! Here he tries to recreate Brian Kernighan’s original ‘Hello World’ with a few wrinkles! Angelo’s B compiler is here: https://github.com/aap/b Angelo’s emulators: https://github.com/aap/blincolnlights There’s a type in the end…

From Computerphile. If you run out of headroom with your chosen sample rate, how do you avoid the problems of unwanted harmonics? – Dave Domminney Fowler explains how oversampling can help. Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was filmed and edited by Sean…

From Computerphile. Prepping for Post-Quantum, Mike Pound explains why now! — Try Jane Street’s neural net puzzle: https://jane-st.co/computerphile-neural-net-puzzle (channel sponsor) — More links in full description below ↓↓↓ Computerphile is supported by Jane Street. Learn more about ML at Jane Street here: https://jane-st.co/Computerphile-JS-ML As we move toward a world where Quantum Computing can break certain…

From Computerphile. Haptics, often associated with video game controllers, are systems that provide a touch sensation for users, but how do we calculate the forces involved? Associate Professor of Robotics and Autonomous Systems Dr Ayse Kucukyilmaz is based at the University of Nottingham. Computerphile is supported by Jane Street. Learn more about them (and exciting…

From Computerphile. When considering how things connect together in a network, time can be an extremely important factor. Dr Richard G Clegg of Queen Mary University London takes us through networks using Page rank and Lord of the Rings. nb. this film contains two fellas getting the facts of Lord of the Rings wrong on…

From Computerphile. Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was filmed and edited by Sean Riley. Computerphile is a sister project to Brady Haran’s Numberphile. More at https://www.bradyharanblog.com

From Computerphile. Signal processing is just mathematics, so lets code a guitar sound in C. Dave Domminney Fowler continues the Digital Signal Processing conversation to show how your favourite tunes all rely on DSP. Find out more from Dave at @domminney Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities)…

From Computerphile. A checksum that’s robust & trivial to compute with Matt Godbolt — Check out Brilliant’s courses and start for free at https://brilliant.org/computerphile/ (episode sponsor) — More links in full description below ↓↓↓ Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was filmed and…

From Computerphile. Following a report on the situation with Social Media and bots, Lewis Stuart of University of Nottingham is inspired to see just how easy it is to fire up his own botnet and puts them to work on a fake social media site: ‘scroll hole.’ Computerphile is supported by Jane Street. Learn more…

From Computerphile. Demonstrating that you can filter data to smooth out the numbers, but whether it’s weather data, stock market information or Taylor Swift, the math is the same! David Domminney Fowler takes us through it. Find out more from Dave at https://www.youtube.com/c/DavidDomminneyFowler Computerphile is supported by Jane Street. Learn more about them (and exciting…

From Computerphile. Breaking the network layer model into pieces, starting top-down, Richard G Clegg of Queen Mary University London explains the ‘bargain bucket’ of networking! Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was filmed and edited by Sean Riley. Computerphile is a sister project…

From Computerphile. When the 3D dataset is too small to create models of frogs on stilts we have to think of a different way – Lewis Stuart is based at the University of Nottingham and explains how you can use 2D diffusion to create 3D models. Computerphile is supported by Jane Street. Learn more about…

From Computerphile. Build your own passkey system like Mike! — Check out Brilliant for free at https://brilliant.org/computerphile/ (30-day free trial and 20% discount on premium subscription… episode sponsor) — More links in full description below ↓↓↓ Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was…

From Computerphile. Newcomb’s Problem is a thought experiment which, on the surface, seems obvious, but what if you’re trying it out on your identical twin? Which choice is best? Aric Floyd demonstrates it, then tries it on Anthropic’s Claude, which doesn’t always play ball! Computerphile is supported by Jane Street. Learn more about them (and…

From Computerphile. Whenever we’re setting up to record a video we ask a question to get the contributor to talk so we can check their microphone is working and set a level for recording. Traditionally, people ask ‘what did you have for breakfast?’ – we ask something different each year! Make sure you suggest your…

From Computerphile. Steve gets all festive and tries to improve on the festive lights he built a mere 11 years ago… Dr Steve Bagley is based at the University of Nottingham. Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was filmed and edited by Sean…

From Computerphile. Passkey pop up everywhere, Mike Pound explains what they are! Check out Brilliant’s courses and start for free at https://brilliant.org/computerphile/ (episode sponsor) — More links in full description below ↓↓↓ Dr Mike Pound is based at the University of Nottingham. This video was previously titled "What is a Passkey?" Computerphile is supported by…

From Computerphile. The real-world doesn’t graph well. Sydney Von Arx discusses GenAI & RL — See Jane Street’s training programs in New York, London or Hong Kong at https://jane-st.co/hkginternship26-computerphile (channel sponsor) — More links in full description below ↓↓↓ Sydney Von Arx of METR talks about an approach to solve Reinforcement Learning & gradient descent…

From Computerphile. Procedural generation is the idea of using simple rules to generate more complicated items – used in games such as Minecraft and Elite, Zac Garby of the University of Nottingham explains with the use of the game Carcassonne. Zac would like to thank user mlin92 for the graphics used in his generation code.…