One July afternoon in 2024, Ryan Williams set out to prove himself wrong. Two months had passed since he’d hit upon a startling discovery about the relationship between time and memory in computing.

Complexity theory is a fundamental branch of theoretical computer science that categorises computational problems according to their inherent difficulty and the resources required to solve them. At ...

Professor Charles Anthony Richard Hoare, known as Tony to friends, has died at the age of 92. One of the greatest programmers in the early history of computing, he invented the Quicksort algorithm ...