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Drones

Betsy Rathburn

出版	Epic, 2024-09-17
主題	Juvenile Nonfiction / Technology / How Things Work-Are Made
ISBN	16845273929781684527397
URL	http://books.google.com.hk/books?id=nbAhEQAAQBAJ&hl=&source=gbs_api
EBook	SAMPLE

註釋

The first drones were hot-air balloons used in the 1800s! Later, drone airplanes took over the skies. Today, drones are used by the military, delivery companies, and even drone racers! This high-interest text explores each of these uses, as well as the history and future possibilities of drones. A diagram, timeline, graph, and pro/con comparison offer even more information about how drones work, what they’re used for, and how they may change in the future.