A hole is born . . .
By Marcus Chown GAMMA-RAY bursters are among the most powerful explosions in the Universe. In less than a second they emit as much energy as a supernova releases—and all of it is in the gamma-ray part of the spectrum. Theorists have come up with scores of proposals, including some quite outlandish ones, to explain how energy is released at such a phenomenal rate, but now a team of astronomers is speculating that it could be the result of a relatively simple act of creation. “We may actually be witnessing the birth cry of a black hole,