Hostname: page-component-cb9f654ff-qc88w Total loading time: 0 Render date: 2025-08-20T23:04:09.485Z Has data issue: false hasContentIssue false

Introductory Remarks

Published online by Cambridge University Press:  30 March 2016

S.K. Runcorn*
Affiliation:
School of Physics, Newcastle-upon-Tyne, U.K.

Abstract

Image of the first page of this content. For PDF version, please use the ‘Save PDF’ preceeding this image.'