This content is only available via PDF.
© 1979 American Institute of Physics.
1979
American Institute of Physics
You do not currently have access to this content.
In Brief. Physics Today 1 September 1979; 32 (9): 108. https://doi.org/10.1063/1.2995720
Download citation file:
Purchase an annual subscription for $25. A subscription grants you access to all of Physics Today's current and backfile content.