More than 400 years ago William Gilbert said, “The Earth itself is a great magnet.” Today, we know that it is also a great magnetic tape recorder. This work is a comprehensive, up-to-date textbook... Read More
More than 400 years ago William Gilbert said, “The Earth itself is a great magnet.” Today, we know that it is also a great magnetic tape recorder. This work is a comprehensive, up-to-date textbook... Read More