"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
Remember classic buttons and badges and how much fun they were to collect. Well with this tee you can just buy this and never worry about collecting or getting jabbed in the nipple by the pin! Perfect.