posted on May, 27 2005 @ 10:04 AM
Gait: Do you walk it like you talk it? Gait biometrics measure the motion of your legs as you move. The technology's big advantage is that a good
scanner can recognize you at a distance using low-resolution images (like those from a parking-lot security camera).
Ears: Whether you've got ears like Minnie Mouse or like Dumbo's, their pattern is unique and doesn't change over time. Ear prints are being used in
Great Britain to solve crimes.
Keystrokes: The rhythm and speed of your typing can be a reliable indicator of who's on the other side of the keyboard. Keystroke dynamics can be
used to control access to a computer network or for online authentication.
Signature: This biometric can measure not only what your John Hancock looks like, but also the changes in pressure and velocity as you move the pen,
making it much harder for forgers to spoof. But because your signature can change with age and health, it's not a reliable long-term solution.
Vein structure: Using infrared light, this biometric measures the unique pattern of veins in the face, hand, or wrist. The method's main attractions
are ease of scanning and consistency, since such patterns don't change over time.
Hand geometry: This biometric measures the length and width of your fingers, the thickness of your palm, and 90-odd other characteristics of your
hand. It's a popular biometric for workplaces, since the scan is fast and noninvasive.
Body odor: Taken a bath lately? No matter. This biometric measures the unique chemicals your body gives off, and can theoretically pick you out of a
crowd no matter how much cologne you're wearing. The
Department of Defense is investing millions into researching whether such sensors are feasible."