Part 1 of Essay
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 Lo ....

Part 2 of Essay
.... you can withdraw money. You won’t have to look into a viewfinder, or even open your eyes wider than normal. The cameras work at a range up to 3 feet away, and only take two to four seconds to find, photograph and match your iris. The security benefits are obvious: no two people, not even identical twins, have the same iris. While cards and PINs can be stolen, irises cannot. Van Naarden says iris-scanning is also being used overseas at teller windows, kiosks, vaults, and safety deposit boxes. Stopping F ....