Abstract: The space environment is becoming increasingly crowded, raising the likelihood of collisions between satellites. Accurate prediction of satellite orbits is crucial for space transportation ...

US defence manufacturer Lockheed Martin has started 2026 by adding two names to the list of countries operating the C-130J tactical transport. The military airframer confirmed on 21 January that ...

Abstract: This study presents a novel class of fuzzy numbers that is based on a family of fuzzy modifier operators. Since these operators are induced by additive generators of strict triangular norms, ...

ILLUSTRATION - 11 August 2025, Baden-Württemberg, Rottweil: The cryptocurrency XRP can be seen on the display of an iPhone in the crypto trading platform Koingecko. Photo: Silas Stein/dpa (Photo by ...