Engraving
Engraving is the process of cutting or incising a design into a hard surface like metal, wood, or stone to produce an image or text that can be inked and printed. This technique has evolved from ancient artistic practices to modern industrial applications, such as in currency production for security features, blending craftsmanship with technology for both aesthetic and functional purposes.
Did you know?
The oldest known engraving, a 73,000-year-old silicon flake with cross-hatched lines from Blombos Cave in South Africa, was created by early Homo sapiens and predates the invention of writing by over 60,000 years, showcasing that abstract thinking and symbolism were part of human cognition much earlier than previously thought.
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