What is quantum physics? Put simply, it’s the physics that explains how everything works: the best description we have of the nature of the particles that make up matter and the forces with ...

Apr 15, 2025 · The seeds of quantum theory were sown by Albert Einstein and others as early as 1905. But the theory came together properly 100 years ago in 1925 – and has exerted its …

Nov 24, 2025 · Quantum theory fails to explain how the reality we experience emerges from the world of particles. A new take on quantum cause and effect could bridge the gap

Aug 14, 2025 · For a century, quantum theory has passed every experimental test, but physicists can’t agree on how to use it to paint a picture of our reality – or even whether that is possible

Quantum mechanics is the best tool we have to understand how the universe works on its smallest scales. Everything we can see around us, from far-off galaxies to our own bodies, is …

Apr 15, 2025 · Physics What does quantum theory really tell us about the nature of reality? For 100 years, quantum theory has painted the subatomic world as strange beyond words. But …

Oct 11, 2023 · Quantum mechanics In quantum theory, the lowest possible energy state for space-time – the stage on which everything there is plays out, including our possible …

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 ...

Devised in 1935 by the Austrian physicist Erwin Schrödinger, this thought experiment was designed to shine a spotlight on the difficulty with interpreting quantum theory . Quantum …

Apr 16, 2025 · Leader and Physics Quantum theory at 100: Let’s celebrate its power and provocation Quantum theory started with a bout of hay fever, and went on to transform our …