변하는것.. 변하지 않는것.. 시간이 흘러도 변하지 않는것들... 그리고 변해가는 것들...

\documentclass[aps,twocolumn]{revtex4}        --> 이단편집

\usepackage[]{graphicx}                       --> 그래픽 삽입

\usepackage[]{hangul}			 --> 한글 패키지 추가

\begin{document}  

\preprint{c11nov05}  

\title{7-Day make 50 level}  

\author{Rupy}  

\homepage[ \Rupy, 2005. This document is copyrighted. All rights, including commercial rights, are reserved to the author.]  {http://blog.naver.com/jawwon813}  

\affiliation{Dept.of Physics, POSTECH}  

\date{November 11, 2005}  

\begin{abstract} 

\begin{center} [{\it Abstract}: You can enter here about the abstract of your report.  ] 

\end{center} 

\end{abstract}  

\maketitle If you doen't give up, You can!!!  

\end{document}  

나중에 좀더 배워보잣!!!