/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: kathbatgirl https://cdn.slidesharecdn.com/profile-photo-kathbatgirl-48x48.jpg?cb=1523375023 There was a blithe certainty that came from first comprehending the full Einstein field equations, arabesques of Greek letters clinging tenuously to the page, a gossamer web. They seemed insubstantial when you first saw them, a string of squiggles.