The keyless car is a marvel of engineering. But how is it that they can start even when the battery in your key fob goes dead ...

LOS ANGELES — The hotel room key card may become as obsolete as the brass room key it replaced. Door lock vendors have developed the technology to let smartphones function as keys, and the hotel ...

To play, you must navigate a key towards a specific keyhole by stopping the automatic movement by hitting a button. If the key goes in, you win the prize. The problem, according to the lawsuit ...