A closer look at standard playing cards

Standard playing cards are ... boring? In fact, if you take the time to look at them, you may find that they have properties that make them very versatile.A playing card is easily recognized by the two symbols on the face of the card in the upper left and lower right corners: a 'suit' and an 'identifier'.A deck of 52 cards is divided evenly into four "suits": clubs, diamonds, hearts, and spades. ...