George Greenstein, in Astron-omy (Oct. 1989), 21027 Crossroads Circle, P.O. Box 1612, Wau- kesha, Wise. 53187.

Is our universe only one among many? Is it theoretically possible to create a new universe in a laboratory-from 20 pounds of chopped liver?
Not long ago, scientists would have scoffed at such questions. Now, reports Greenstein, an Amherst astronomer, astro- physicists and others have begun taking them seriously because of the work of an MIT physicist named Alan Guth.
In 1981, Guth f...