Copied from an ABC Television broadcast on 5/12/90. Copyright reference number M007653T. When waves of gravity were fist predicted to be flooding the universe, they were thought to be undetectable. This program examines what gravity waves are, where they originate from, and how they are generated. Explores these and more questions including is a brief look at the effects on gravity of exploding supernovae, binary stars and the formation of black holes.