[PAR] [TLE] Bamboo-copter [SEP] The bamboo-copter, also known as the bamboo dragonfly or Chinese top (Chinese "zhuqingting" 竹蜻蜓 , Japanese "taketombo" 竹蜻蛉 ), is a toy helicopter rotor that flies up when its shaft is rapidly spun.  This helicopter-like top originated in Warring States period China around 400 BCE, and was the object of early experiments by George Cayley, the inventor of modern aeronautics. [PAR] [TLE] George Cayley [SEP] Sir George Cayley, 6th Baronet (27 December 1773 – 15 December 1857) was a prolific English engineer and is one of the most important people in the history of aeronautics.  Many consider him to be the first true scientific aerial investigator and the first person to understand the underlying principles and forces of flight.
[PAR] [TLE] Bamboo - copter [ SEP ] The bamboo - copter , also known as the bamboo dragonfly or Chinese top ( Chinese " zhuqingting " 竹蜻蜓 , Japanese " taketombo " 竹蜻蛉 ) , is a toy helicopter rotor that flies up when its shaft is rapidly spun . This helicopter - like top originated in Warring States period China around 400 BCE , and was the object of early experiments by George Cayley , the inventor of modern aeronautics . [PAR] [TLE] George Cayley [ SEP ] Sir George Cayley , 6th Baronet ( 27 December 1773 – 15 December 1857 ) was a prolific English engineer and is one of the most important people in the history of aeronautics . Many consider him to be the first true scientific aerial investigator and the first person to understand the underlying principles and forces of flight .
The bamboo-copter was originally conceived by the engineer of what nationality?
The bamboo - copter was originally conceived by the engineer of what nationality ?
English
English