(MILWAUKEE, WIS.) – July 5, 2012 – A century ago in 1912, John Junkunc invented the world’s first keyless dial combination padlock. It set him on a path to buy a company that would eventually become ...

There’s a vulnerability in Master Lock branded padlocks that allows anyone to learn the combination in eight or fewer tries, a process that requires less than two minutes and a minimal amount of skill ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Contents -- Acknowledgments -- The American bank lock industry -- The early prominence of key locks: 1834-1856 -- The combination lock comes of age: 1857-1871 -- The rise of the time lock: 1872-1888 - ...