For decades, physicists taught that superconductivity and magnetism could not share the same space. One state should destroy ...

1. Is there an advantage in a cast magnet versus a fabricated magnet? There are two schools of thought. Each has its advantages. A cast magnet is a case made in a single piece, often with a ribbed ...

IT is sometimes a convenience to teachers and students to possess a collection of questions apart from those often given in text-books. There are 311 questions in this volume, arranged under 24 ...