@computerphile
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Something odd was going on with the signals broadcast by the GPS satellites. Steven Murdoch of University College London explains how he used statistical analysis to work out what might be going on. To read more about Steven's findings: https://sjmurdoch.github.io/gps-special-messages/ Comp...
We brought a computer scientist and a physicist together to talk about Shor's algorithm - a famous factorisation algorithm for that can break some currently used encryption techniques if implemented in the quantum realm. Phil's accompanying blog post: https://muircheartblog.wpcomstaging.com/202...
After changes to pricing structures for LLM powered code assistants, Mike looks at how a seemingly simple task can burn through tokens when an agent 'looks after it' for you. Published with three potential titles on a YouTube test: Extreme Token Use of Agentic AI - Computerphile Why AI Tokens a...
Clever Hans was a horse that could do maths, or was it using some other trick? Is AI music classification working like a 'Clever Hans?' David Kelly is based at Kings College London. His paper is in preprint here: https://arxiv.org/pdf/2601.16675 Computerphile is supported by Jane Street. Le...
With the UK planning to follow Australia in a ban on social media for under 16s, we ask how it might work? Dr Mike Pound is an Associate Professor at the University of Nottingham. Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jan...
Network Basics story continues with the second part of the TCP segment. Richard G Clegg is based at Queen Mary University London. Richard's Code: https://github.com/richardclegg/computerphile_demos/ RFC 5681 https://datatracker.ietf.org/doc/html/rfc5681 Computerphile is supported by Jane Stree...
Continuing the deep dive down the network stack, Richard begins the story of TCP. Richard G Clegg is based at Queen Mary University London. Next in the playlist: https://youtu.be/nKVML4YaBqs RFC793 https://datatracker.ietf.org/doc/html/rfc793 RFC 9293 https://datatracker.ietf.org/doc/html/rf...
Fuzzing is a technique to find programming bugs by testing with random inputs - but there are smarter ways to go about it! Professor Alastair F Donaldson leads the Multicore Programming research group at Imperial College. Computerphile is supported by Jane Street. Learn more about them (and exc...
Knuth talked about "Literate Programming" over forty years ago, but what does it mean to have code that a developer and a client can agree on? Dr Robert Chatley of Imperial College London demonstrates how it might work. Computerphile is supported by Jane Street. Learn more about them (and excit...
Long division can be arduous - division in general is something that even computer processors try to avoid with a simple technique. Matt Godbolt demos it and then shows how a simple C program can cause a compiler to employ this trick. Computerphile is supported by Jane Street. Learn more about...
Learn more and apply to Jane Street’s WiSE program in New York, London or Hong Kong: https://jane-st.co/Computerphile-WiSE-2026 (episode sponsor) Professor Azalea Raad leads the Veritas Lab at Imperial College London... More information about this video in the full description below. This video...
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:...
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 a...
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....
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/c...
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: htt...
