Quantum field theory marries the ideas of other quantum theories to depict all particles as “excitations” that arise in underlying fields. The British physicist Paul Dirac started the ball ...

The first hints of quantum behaviour in nature came in works by physicists Max Planck in 1900 and Albert Einstein in 1905. They showed that certain properties of light could best be explained by ...

Put simply, it’s the physics that explains how everything works: the best ... theory of relativity, which explains what happens when things move very fast – to create what are known as quantum ...