The first wind-powered grain mills and water pumps can be traced back to the years 500-900 AD. William designed his windmill in the year 2002. Why is this still considered an innovation?

Wind power has been utilized for centuries in different applications, with William's 2002 windmill design being an innovative adaptation of ancient technology to modern needs.

Explanation:

Wind power has been used for centuries in various applications such as grinding grain and pumping water. William's design of a windmill in 2002 is still considered an innovation because it represents a continued improvement and adaptation of an ancient technology to modern needs, showcasing advancements in renewable energy technology.

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