Quantum mechanics has at last been formulated exclusively with real numbers, bringing a mathematical puzzle at the heart of ...

Given a particle in Euclidean space, a central force is a force that points toward or away from the origin and depends only on the particle’s distance from the origin. If the particle’s position at ...

When people lie or falsely represent themselves to order to obtain state benefits unfairly, it's not a victimless crime. The cash comes out of the public purse and that is funded by the taxpaper so we ...