Part-Time Pulsars Perform 'Cosmic Vanishing Act'

The strange sparklers can help illuminate the processes that cause pulsars to emit light, and hint at hundreds of pulsars not yet found, the scientists said. The two newly discovered pulsars appear eerily normal when they're releasing light, showing no sign of their irregular nature, said Victoria Kaspi, an astronomer at McGill University in Montreal. "When they're on, they're not particularly dim — you wouldn't know that they have this dual personality," said Kaspi, who is also the princi