The mathematics of symmetry, also known as group theory, is widely used as a tool in the solution of complex problems in many areas of theoretical physics, including string theory. A sequence of ...

Social media algorithms, in their commonly known form, are now 15 years old. They were born with Facebook’s introduction of ranked, personalised news feeds in 2009 and have transformed how we interact ...

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.