The everyday blog of Richard Bartle.
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4:46pm on Thursday, 28th January, 2010:
I arrived at work today to find a bunch of students waiting to get into their lab, the door of which was locked. Fortunately, my key works for that lab so I let them in.
The lab next to my office does not have a key, though. Instead, it has a keypad:
As the students pointed out, it's not especially difficult to discover the code, given that 2, 5, 6 and 0 are in grey and the rest of the numbers are in white. They promptly demonstrated by opening it.
Note to keypad manufacturers: label your keys in grey, not white...
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