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 __   __    ______   _    _      ___      _____   
 \ \\/ //  /_   _// | \  / ||   / _ \\   / ____|| 
  \   //    -| ||-  |  \/  ||  | / \ || / //---`' 
  / . \\    _| ||_  | .  . ||  | \_/ || \ \\___   
 /_//\_\\  /_____// |_|\/|_||   \___//   \_____|| 
 `-`  --`  `-----`  `-`  `-`    `---`     `----`

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Text this: Influence of surfactants on the force between two bubbles