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Lock manipulation 2
By admin | August 31, 2009
The most surreptitious way of cracking a safe is to manipulate the lock in order to obtain the combination required to open the safe without actually damaging the safe. In the absence of any other information regarding the safe’s combination, a combination locks may be opened by dialing every possible combination. Richard Feynman discovered that many combination locks allow some “slop” in the settings of the dial, so that for a given safe it may be necessary only to try a subset of the combinations. This drastically reduces the time required to exhaust the number of meaningful combinations. A further reduction in solving time is obtained by trying all possible settings for the last wheel for a given setting of the first wheels before nudging the next-to-last wheel to its next meaningful setting, instead of zeroing the lock each time with a number of turns in one direction.
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