and to get access to this high security area a computer 1st needs to scan my body movements biometrics increasingly replacing typical passwords and access keys for example. biometric systems can recognise a person's specific physical attributes their fingerprints facial features iris. the technology is already used around the world by the somali army indian doctors and for authenticating patients for important drugs or for online banking month smartphones. there are even systems that look under your skin so to speak such as infrared scanners that are used in pain matching oxygen poor blood in phoenix absorbs more in forever than surrounding tissue so the vein patterns can be matched . scientists are currently developing technology that can recognize a person on the basis of their heartbeat. others are working on identifying