A clock with a sweep second 초침이 부드럽게 움직이는 시계 HTML5 supported web browser is required. HTML5 지원 웹 브라우저 필요 Screenshot Program and Source Code SweepSecond License Copyright 2013 KIM Taegyoon Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2...