A New Technology A new technology coming to automatic teller machines this summer could mean the end of those pesky personal identification numbers, or PINs. Instead of asking you for a PIN, the ATM will scan the iris of your eye (that’s the colored part) to identify you. It may sound like science fiction, but these ATMs are already in use in Tokyo and London, and a few of American banks following suit this summer. "This is still a pilot trial system," says Rob van Naarden, vice president of Sensar Inc., the main manufacturer of the iris-scanning technology. "We’ll be shipping about 500 or 600 units in the U.S. over the next 12 months." Using an iris-scanning ATM is just as easy as us