PhysicsWhy virtual particles don’t exist but do explain reality – for now So-called virtual particles aren't particles at all. Some argue that they are merely mathematical figments, and that we need to find a better way to understand particle interactions Features
TechnologyHow smart is ChatGPT really – and how do we judge intelligence in AIs? Following claims that an AI has shown "sparks of artificial general intelligence", what are we to make of the hype surrounding this technology? AI expert Melanie Mitchell is your guide Features