keep in touch symbolized with the illustrations of the robot's hand being a baby's grip. Hand robot with bolt symbol strength and stiffness and baby hands symbol of softness and smoothness and also the color used is bright color
"73 is the 21st prime number. Its mirror, 37, is the 12th and its mirror, 21, is the product of multiplying 7 and 3... and in binary 73 is a palindrome, 1001001, which backwards is 1001001."
--Sheldon Cooper, PhD.
73, sheldon, science, the-big-bang-theory, number