More examples There were big advances in aviation technology in the course of the Second World War. The penalties of the leaps in technology have been clear, researchers say. From neck lifts to tummy tucks to chin implants, these procedures are rising in popularity because of developments in technology. But outside observers are skeptical, saying that such an advance in nuclear technology appears unlikely.

• The earliest recognized use of wind energy is the crusing ship; the earliest record of a ship beneath sail is that of a Nile boat courting to the 8th-millennium BCE.
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