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 2026 soundcheck question by commenting on the video!
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