Text this: Bright and dark modes induced by graphene bubbles

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