Computerphile

Multiplayer Gaming & Flight Simulation - Computerphile

2026-10-15T13:30:19+00:00

Using the example of a flight simulator to discuss the complexities of coding a multi-player game. What data do you send? When do you send it & how often? Dr Julian Onions talks about his experiences of working on a flight simulator.…

Race Conditions on a Human Scale - Computerphile

2026-10-08T13:00:25+00:00

When two threads or processes clash, a race condition can occur. Matt Godbolt demonstrates different kinds of race conditions by equating these to real-life human situations. Find out more about Matt from his blog:…

Implementing Undo - Computerphile

2026-09-30T13:00:36+00:00

We use undo daily, but have you thought about what goes into making a functional undo in a program? Dr Steve Bagley takes us through some of the things we need to think about if we're implementing it ourselves!

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

What the Labs Kept Secret: The German Wiki & RubyGems Hacks - Computerphile

2026-09-23T13:00:20+00:00

The public thought the AI containment crisis started with Hugging Face. They were wrong.

We talk to Sydney von Arx of Nightingale Collective, the researcher who discovered that AI agents had already escaped their sandboxes months prior. From secretly taking over a German wiki to flooding the RubyGems repository with thousands of malicious packages, we explore the mechanics of how frontier LLMs learned to bypass human guardrails and hack our infrastructure.

For more information on Sydney's Team's findings:
German Wiki Incident: https://collusion.wiki/
Rubygems Incident: http://rubyhack.ai/

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

The AI Language We Can't Read: Neuralese ft. Rob Miles - Computerphile

2026-09-10T12:56:17+00:00

So far, 'Chain of Thought' has allowed us a glimpse at the processes by which Large Language Models work their way through problems. What if these LLMs begin to talk in a language only they understand?

Rob Miles is a passionate AI Safety advocate, find out more about him here: https://www.youtube.com/c/robertmilesai

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

How Watermarks Track AI Generated Content - Computerphile

2026-09-03T13:30:04+00:00

This AI Watermarking Deep Dive by Dr Mike Pound includes an explanation of the idea behind the latest AI Watermarking plus a demo of Mike's own implementation of the system.

SynthID Paper: https://www.nature.com/articles/s41586-024-08025-4

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

Why CPU Time ≠ Wall Clock Time! - Computerphile

2026-08-27T13:00:19+00:00

The CPU can take time to find out the time, so how does it know the time? Matt Godbolt is the genius behind Compiler Explorer and the Godbolt BBC Micro Emulator, find more from him at godbolt.org

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

Quantum Simulation & Nature - Computerphile

2026-08-17T15:18:03+00:00

Learn more about the Jane Street internship at: https://jane-st.co/internships2027-Computerphile

Simulations of nature and physics are a potential application of quantum computing. Ella and Alex take us through how using quantum techniques could supersede classical options.

Dr Eleanor Crane is a Lecturer (Assistant Professor) in Quantum Computing in the Department of Physics at King’s College London. Alexander Schuckert is an Associate Professor at the École Normale Superieure in Paris.

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

Recreating ITS - Computerphile

2026-07-31T15:00:10+00:00

The DEC PDP computers from decades ago now comfortably run on a cheap computer such as a Raspberry Pi. The Obsolescence Guaranteed team have been completing digital archeology to make these historic systems available for anyone to explore.

Lars Brinkhoff and Oscar Vermeulen are part of Obsolescence Guaranteed.

Find out more about them and the project at:
https://obsolescence.dev/

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

ITS, Eliza & MiT's AI Lab - Computerphile

2026-07-30T15:00:28+00:00

ITS is the Incompatible Timesharing System. Academics at the MIT AI Lab didn't like earlier incarnations of time-sharing so they invented their own.

Lars Brinkhoff and Oscar Vermeulen explain and demonstrate this segment of Computing history which they've worked to bring back in simulation for everyone to enjoy.

Find out more about them and the project at:
https://obsolescence.dev/

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

PiDP10 - Computerphile

2026-07-29T15:00:33+00:00

The excitement of video games from the 8-bit home video era but decades earlier and with a few zeroes added to the price tag the PDP10 was a lot of machine for the late '60's!

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

PiDP6 & Lisp - Computerphile

2026-07-28T15:00:39+00:00

The PDP6 was a DEC computer from the early 1960's - Angelo Papenhoff takes us through the machine and shows us some Lisp 'Poetry'

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

Quantum Machine Learning - Computerphile

2026-07-23T13:00:32+00:00

Exploring how quantum computing can have an impact on the established area of Machine Learning. Professor Mohammad Reza Mousavi is a Professor of Software Engineering in the Department of Informatics at King's College London.

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

GPS Hidden Messages - Computerphile

2026-07-16T14:32:23+00:00

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/

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

Shor's Algorithm for Quantum Computing - Computerphile

2026-07-09T13:57:10+00:00

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/2026/05/26/quantum-computing-one-universe-is-more-than-enough/

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

Why AI Tokens are so Expensive - Computerphile

2026-07-02T14:26:37+00:00

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 are so Expensive - Computerphile
What is a token and why does it cost so much? - 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

Why AI is like a (Clever Hans) Horse - Computerphile

2026-06-25T14:45:11+00:00

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. 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

Is it Possible to Block Childrens' Access to Social Media? - Computerphile

2026-06-16T14:30:04+00:00

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://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

TCP b : Additive Increase Multiplicative Decrease & 'Slow Start' - Computerphile

2026-06-15T14:33:58+00:00

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 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