I dabbled a great deal in narrow gauge modeling over the years, but found U.S. main line Class I railroads more to my taste.

Mostly-Analog editor Andy Turudic takes a look at ... Andy's OpEd may appear at other times, with fair warning given by the Vu meter pic.

School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, ...