Table of Contents

In This Issue

Engineering Features of the Recent Mexican Earthquake
by James L. Beck and John F. Hall
Caltech civil engineers document the extensive damage to modern multi-story buildings located on Mexico City's dry lake bed.

Biomedical Applications of NMR
by John D. Roberts
A laboratory technique for studying molecular properties now offers great potential in medical imaging.

A Scientist in Space
by Taylor Wang
A JPL physicist travels out of this world to do his experiments in zero gravity.

Tiny Tale Gets Grand
Electron beam lithography reduces a page of Dickens to micrometer size to meet a longstanding challenge.


Research in Progress
Comet Composition
To Shop or Not to Shop

Random Walk