Other
Desy: Aachen the First Operational Linac
A chapter of an autobiography of Rolf Wideroe, an important figure in the development of accelerators. This chapter discusses the first linear accelerator.
Exploratorium
Exploratorium: Cern: Linear Accelerator
From CERN, the European Center for Nuclear Research, this site provides a brief description of the physics underlying how a linear accelerator works.
Exploratorium
Exploratorium: Cern: Accelerate the Particle
Contains a game which illustrates the manner in which changing electromagnetic fields can accelerate charged particles in a linear accelerator.