/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: akshaykoli3745 https://cdn.slidesharecdn.com/profile-photo-akshaykoli3745-48x48.jpg?cb=1523546524 THE TWIN PARADOX:- One of Albert Einstein's greatest insights was realizing that time is relative. It speeds up or slows down depending on how fast one thing is moving relative to something else.