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 ...

Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price. Unhappy with their meager profits, they meet one night in a ...

The hype around ChatGPT and other generative-artificial-intelligence technology is highlighting a continuing challenge for businesses: how to keep bias out of their own AI algorithms. Businesses are ...

In 2016, evidence began to mount that then-South African president Jacob Zuma and a family of Indian-born businessmen, the Guptas, were responsible for widespread “state capture”. It was alleged that ...

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.