WASHINGTON: As the momentous news of gravitational waves being detected 100 years after Albert Einstein's prediction broke on Thursday, scientists discussing the significance of the major discovery revealed that this discovery would enable us not just to see the stars, but also to listen to them. Analysis of the gravitational waves - ripples in the fabric of spacetime - suggests they originated from a system of two black holes, each with the mass of about 30 Suns, that gravitationally drew...