for Medical, First Year University Science Students and General Use in Schools. By G. Stead. Fifth edition. Pp. xv+559. (London: J. and A. Churchill, Ltd., 1936.) 12s ...

Arthur Ashkin, Gérard Mourou and Donna Strickland share the 2018 physics Nobel for their work with lasers that have led to numerous practical applications, such as eye surgery. “The main practical ...