They vary greatly in size, from subatomic particles like the electron, to microscopic particles like atoms and molecules, to macroscopic particles like powders and other granular materials. Particles can also be used to create scientific models of even larger objects, such as humans moving in a crowd.
Rams headed back to Los Angeles; Chargers have option to join. play. Rams, Chargers gain approval to relocate to Los Angeles (1:58) Michael Eaves and Andrew Brandt break down the NFL's decision to allow the Rams to relocate to Los Angeles and the Chargers' option to join them in the next year. HOUSTON -- The Rams are moving back to Los Angeles -- and might be doing so with company. The San Diego Chargers and Oakland Raiders might end up staying where they are, but leadership of the teams didn't come close to making that commitment Tuesday night.
The Arizona Cardinals are a professional American football franchise based in the Phoenix metropolitan area. The Cardinals compete in the National Football League as a member club of the league's National Football Conference (NFC) West division. The Cardinals were founded as the Morgan Athletic Club in 1898, and are the oldest continuously run professional football team in the United States. The Cardinals play their home games at the University of Phoenix Stadium, which is located in the northwestern suburb of Glendale, Arizona. The team was established in Chicago in 1898 and was a charter member of the NFL in 1920.