Arrabal, Fernando

Arrabal worked as a clerk in a paper company, then studied law at the University of Madrid. He turned to writing in the early 1950s, and in 1955 he went to study drama in Paris, where he remained.

Earth, Folding

Folds along subduction zones

X Ray

Any electromagnetic radiation of an extremely short wavelength produced by the deceleration of charged particles or the transitions of electrons in atoms. As can be seen in the Figure, the wavelengths of X rays range from about 10-8 metres to 12-12 metres, with corresponding frequencies of 1016 to 1021 hertz (Hz). Like other forms of electromagnetic radiation (gamma rays, ultraviolet,