Ejs Open Source 2 Bar Magnets and Compass Model java applet
      
      
       
       
       
       
       lookang (weelookang@gmail.com) , Fu-Kwun Hwang, Wolfgang Chrisitan, Francisco Esquembre; Fu-Kwun Hwang; Wolfgang Chrisitan; Francisco Esquembre; Anne Cox; tina
 lookang (weelookang@gmail.com) , Fu-Kwun Hwang, Wolfgang Chrisitan, Francisco Esquembre; Fu-Kwun Hwang; Wolfgang Chrisitan; Francisco Esquembre; Anne Cox; tina