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632 bytes added ,  23:28, December 17, 2007
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An '''invention''' is a breakthrough in thought that is constructed or applied in physical reality that leads to a new creation that usually has practical application. Many inventions involve improvements in technological advancement and many have a profound impact across [[humanity]]. Some examples of inventions would be [[computer]]s, [[automobile]]s, and [[airplane]]s.

Inventions usually build upon previous knowledge. In the minds of great visionaries such as [[Leonardo da Vinci]], inventions are actually conceptualized hundreds of years before the technology is developed to make them reality.

[[Category:Technology]]
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