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 ...

MEMPHIS, Tenn. - Grab the fleece and sunglasses. It's a chilly start to the day under a mostly clear sky. Temperatures this Wednesday afternoon will rise to the low/mid-70s across the Mid-South. Winds ...