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RE: It not about "Voice", lets not fall into the competition trap
I saw just a few nights back a security system that unlocks a phsyical door by neither using finger print nor bio metrics, it took the image of the persons veins in the finger like an xray photo, and the door unlocked only with the correct persons finger. Nobody has collected everyones vein structures have they?!
It was also designed so that if the finger was cut of and someone attempted to unlock the door with the severed finger, it wouldn't work because there would be no blood to show the veins to make a match..
THAT is what steem should have cos its well original! but dam expensive :(
:D :D cool but very scary. Probably a lock for the red button or an atomic shelter, but high frequent x-ray photos of the same finger could lead to some surprises I guess.
:) It wasnt actually an xray aber ich bin bekifft and that was my description hahahahah- most likely just an intense white light and a snapshot in reality.