technologyTimeline of the Key20 eventsA history of keys and access control from ancient wooden locks to cylinders, keycards, transponders, smart lo…
technologyTimeline of Glass20 eventsA history of glass from early manufactured objects and stained windows to float glass, fiber optics, and mode…
technologyTimeline of the Death of Technologies23 eventsA history of technological obsolescence, tracing how new inventions displaced older systems and how some medi…
technologyTimeline of Artificial Light21 eventsA timeline of major milestones in the technologies humans used to create artificial light, from early oil lam…