Sir george caley, otto lilienthal, samuel pierpont langley, and the wright brothers all used uas in the development of their concepts for manned aircraft. in what ways did they use uas and why do you think they did so?

All the innovators mentioned in the question statement used UAS as a facility to keep the aircraft lightweight and manageable. They used UAS because flying a machine while sitting in it was initially considered dangerous.

Explanation:

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.