Amit Upadhyay writes "Gizmodo is reporting about extra funding for smart guns at NJIT. Few have qualms about it, mostly on the line of: would optical sensor for finger prints work when the hand is soaked with blood? Would you get time to enter the override code in an emergency? But if we remove speculative emergency situations, the technology seems to be interesting. While checking out Fingkey Hamster what struck me was, this is one passkey I will not mind publishing on my webpage, and it can't be cracked, unless hardware tampering takes place. Kind of thing that you can put in all the car ignitions and lockers where password entry using keyboard can become too obtrusive."