Title and author:
      
      Drag to create Wave Rings
     
      
      
      
      
 Fu-Kwun Hwang - Dept. of Physics,National Taiwan normal Univ.; Fremont Teng; Loo Kang Wee
      
     
    
      © 2020, Fu-Kwun Hwang - Dept. of Physics,National Taiwan normal Univ.; Fremont Teng; Loo Kang Wee. Compiled with EJS 6.0 (191124)
          Released under a 
 
  license.