Text this: Direct growth of single-metal-atom chains

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