July 22 (UPI) -- Scientists predicted that Tuesday will be a fraction of a second shorter than the average day as the Earth's rotation is moving faster. The international Earth Rotation and Reference System Service expects that Tuesday will be just 1.34 milliseconds shorter than the standard 24 hours. "We've known about the rotation of the Earth being variable for about a hundred years," said the former Director of Time at the United States Naval Observatory Dennis McCarthy. "This is just one