Science

Describes a Russian proposal for a tube transit system.

A scoping paper by Department of Aerospace Engineering and Mechanics, University of Minnesota, Minneapolis. Covers linear electric propulsion, drag and stability.

Describes a system for conveyance of goods through pipelines in Bochum, Germany. Includes an introduction, background, and news.

A review of the subject by Lawrence Vance and Milton K. Mills, United States Federal Highway Administration.

An introduction to many of the large diameter schemes under development.