Category talk:Ancient inventions
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Definition
[edit]What is ancient- precise date or milestone please. I feel ancient- but Greece was ancient, and Rome was not?
What is an invention? Is it a concept or must it have physical form- does it become an invention only when the technology is advanced to a point where it can be constructed? Does it have to have an inventor? Is it an artefact?
When does the discovery of a fundamental law of physics become an invention?
A few words of wisdom on the category page please. -- Clem Rutter (talk) 10:08, 13 November 2015 (UTC)