Chapter 1
The locksmith's secret language
Chapter 2
Digital fortresses and code
Chapter 3
Nature's ultimate gatekeepers
Chapter 4
Gatekeepers of myth and history
Ch 1 · The locksmith's secret language
enrike La consulta de expedientes físicos y digitales descifra el pasado de antiguos ciudadanos
BETA
007skaty Match the ancient keys to discover how Janus and his keepers guarded the gates.
007skaty A correct key aligns the key and driver pins at the shear line, allowing the inner cylinder plug to turn.
Fun Fact
Lock picking: The world's oldest lock-picking competition was held in 1851 at the Great Exhibition in London, where Alfred Hobbs spent 16 days successfully picking the famous Bramah lock.
007skaty Gatekeeper master key systems use internal metal spacers to allow multi-level key access
Quiz
What extra component allows a master key lock to have more than one valid shear line?
Quiz
Which key in a multi-level master key system opens every single lock in an entire building?
Quiz
Which Roman god of gates and doors is traditionally depicted with two faces looking in opposite directions?
Quiz
What object did the Roman god Janus typically hold in his right hand to represent his role as protector?