Drones (A True Book: Engineering Wonders)

Drones (A True Book: Engineering Wonders)
sku: COM9780531222706USED
$4.25
Shipping from: Canada
   Description
Originally developed in the early 20th century for military purposes, unmanned aircraft, or drones, have come to be used for a variety of purposes.Readers (Grades 3-5) will find out how drones work and what it takes to pilot them. They will also learn why the use of drones has become a controversial issue, how unmanned aircraft have been improved over time, and what today's engineering innovators are planning for the future of drone technology.
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