How does memory management work? In C you had to manage things yourself, but modern languages take care of a lot of it for you - Laurence Tratt of Kings College London explains. More about Laurie: Laurence recommends the book 'The Garbage Collection Handbook: The Art of Automatic Memory Management' (2nd ed.) for those interested in exploring this subject in more detail. This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: Computerphile is a sister project to Brady Haran's Numberphile. More at