David N. Schramm

FOCAL POINTAmateur CosmologyCREATE a universe in your basement?It may be theoretically possible, calculates MIT cosmologist Alan Guth (ST: September, 1988, page 253). But to do it, Guth notes, you'd have to manipulate space-time by controlling energies far beyond what the most advanced galactic...

Next Februarys Total Solar EclipseJUST one year minus 10 days after western North America enjoyed a widely observed total eclipse of the sun, it becomes the turn of Africa and India, on February 16. 1980. As the large map shows, the moon's shadow first touches Earth at sunrise in the South Atlantic...