Abstract: The wheelset is a critical component of a rail vehicle, carrying the weight of the train in contact with the rail during the train operation. The constant measurement of wheelset geometries ...

Abstract: Inspired by biological navigation mechanisms such as insects, bionic polarization sensor utilizing skylight field to obtain heading information, which represents a significant alternative to ...

April 7, 2026 • The astronauts on Artemis II observed parts of the moon humans had never seen before. Their findings provide a scientific baseline — and sense of wonder — for future missions.