Recommended Citation
Postprint version. Published in Physics Today, Volume 41, Issue 2, February 1, 1988, pages 86-88.
The definitive version is available at https://doi.org/10.1063/1.2811326.
Disciplines
Physics
Copyright
Publisher statement
This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Physics Today.
URL: https://digitalcommons.calpoly.edu/phy_fac/49
