From plowing fields to harvesting crops, tractors do important farm work. This low-level title teaches beginning readers about the parts of a tractor and the jobs that they do through… More →
Machinery & Tools
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Nanotechnology uses materials that are smaller than a speck of dust. These nanomaterials are used to make waterproof clothing, medical devices, and more! In this title, readers will explore… More →
Soldiers regularly put themselves in harm’s way to promote peace and protect freedom. This means they have great appreciation for their robotic stand-ins— PackBots. The remote-controlled… More →
General Motors brought the first factory robot to life in 1961. The 4,000-pound assembly-line robot was named Unimate. It proved it could build cars twice as fast as humans could! In this… More →
No surgeon can boast the steady “hands” of da Vinci. This surgical robot was built for careful cutting, and that is why it has helped with more than three million medical operations to date!… More →
The U.S. military has given nearly 1,000 robots to police departments around the country. This means most police robots are ex-military. Young readers will walk through the history of robots… More →
Pushing ahead and moving anything in its way, the bulldozer is a bladed beast. And a blade is often not the only sharp tool on this machine. A claw-like ripper can pierce through hard ground. More →
There are dump trucks with tires as high as two grown men! These enormous trucks could never share a street with other vehicles. This explains why “off-road” is how they roll. They are built… More →
Taller than skyscrapers or strong enough to lift the weight of thousands of cars, large cranes are working giants. These towering movers build tall structures and huge ships. The result of… More →
The largest diggers are extreme excavators. Some have buckets wider than houses or multiple buckets attached to spinning wheels. These diggers dominate the scene at many construction sites… More →