أرسل هذا في رسالة قصيرة: Extraordinary properties of mechanical metamaterials fabricated by projection microstereolithography

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