Text this: Lorentz force and radiation pressure on a spherical cloak

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