The electrical energy generated by thunderstorms can make our hair stand up, and even create invisible sparkles on trees. Now, we have photographic proof of this long-theorized electrical event for ...

Basketball shoes on a gym floor, bicycle brakes in need of a tune-up, or the squeal of tires are everyday examples of squeaking sounds. Such sounds have long been attributed to stick-slip friction, or ...

Earth’s magnetic shield is shifting in dramatic ways. New data from ESA’s Swarm satellites show that the South Atlantic Anomaly — a vast weak spot in Earth’s magnetic field — has grown by nearly half ...

"The screeching sound of peeling tape consists of a train of weak shocks that are generated when the transverse fracture ...