We don’t know how [Kristoffer Marshall] found himself with free time at work, but he used it to beef up his computer security. Above is the finished project. There is literally nothing to see here. He ...

With all the furor over what turns out to be just an AMEX credit card radio fob—who cares about that?—here’s a bit of RFID you’ll really enjoy. The Gateman RFID lock includes eight transmitter “keys” ...