Imaging technology has revolutionised palaeontology, allowing scientists to study fossils that are buried deep in the rock or too small to handle. Two ...

Real particles are lumps of energy that can be "seen" or detected by appropriate instruments; this feature is what makes them ...

Virtual particles exploit the natural fuzziness of the subatomic world, where if these ephemeral particles live briefly enough, they can also briefly borrow their energy from empty space. The haziness ...