The idea of contact lenses was first envisioned by Da Vinci in ____ Soft contact lenses were first introduced in ____ and ____ lenses came into the market in 2002 ____ is known as the father of the modern car, but Leonardo Da Vinci first had the idea in the ____ The Alba Amicorum, known as the original Facebook, means a ____ This book was passed from person to person to share gossip, ____ and drawings. It was a sign of ____. Alexander Graham Bell is credited with inventing the telephone in ____, but the idea was invented between ____ years ago by the Chimu civilisation. The principle of the first camera were written about by Mozi (Chinese) and Aristotle (Greek) in the ____. Electronic cameras were invented in ____ and DSLRs became common in the ____.

4EFS Workshop - Inventions

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