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Glossary
How Robots Work
Fill in all the gaps, then press "Check" to check your answers.
Like you, NASA's robonaut has a
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body, brain, power system and
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system. See more pictures of robots. On the most basic level, human beings are
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of five major components:
· A body structure
· A muscle system to move the body structure
· A sensory system that receives information about the body and the surrounding
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· A power source to activate the muscles and sensors
· A brain system that
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sensory information and tells the muscles what to do
Of course, we also have some intangible attributes, such as intelligence and morality, but on the sheer physical level, the list above about covers it.
A robot is made up of the very same
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. A typical robot has a movable physical structure, a motor of some sort, a sensor system, a power supply and a computer "brain" that
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all of these elements. Essentially, robots are man-made versions of
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life -- they are machines that replicate human and animal behavior.
In this article, we'll explore the
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concept of robotics and find out how robots do what they do.
NASA's Urban Robot, Urbie, features software-controlled cameras and sensors that allow it to operate autonomously in many types of terrain. URBIE checks out areas that would pose potential risks
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human investigators.
NASA's Snakebots will autonomously explore other planets, digging in soil, slithering in cracks, and
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around obstacles.
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