Describir: The scientific basis of illuminating engineering

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