forecast Albert Einstein proven of gravitational waves

a century ago, Albert Einstein stated the presence of gravitational waves in the universe. that time, statement Einstein considered not more than a nonsense, in the same boat with forecast other Einstein previously considered wind ago. However, the scientists to the umpteenth time must hats off to the Einstein. precisely in 2015, rumor bubbling that the theory of gravitational waves from proven. when this rumor really be a real, among scientist were excited. on September 14, 2015, for the first time the existence of gravitational waves proven. scientists call it as "tweet" the universe, though gravitational waves is not sound waves.