Text this: Cobalt-mediated crystallographic etching of graphite from defects

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