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MODULE Designing the Future
3 SCIENCE CONNECTION: INVENTIONS ..........................................................142

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my Notes A rescue robot helps an myNotes
emergency crew. Design Innovations .............................................................................148
Short
Read
Design
Design A 3D printer prints a
toy boat.
Innovations
Innovations
Innovations
Innovations 3D Printing Drones A drone is an unmanned aerial vehicle (UAV) or, in Rescue Robots
Innovations
Innovations
Innovations
Innovations
Robots aren’t a new invention, but recent
Also known as additive manufacturing,
3D printing is the process of making a
three-dimensional object by adding one essence, a flying robot. Drones come in many advances in robotic technology have allowed new INFORMATIONAL TEXT
types of robots to perform a variety of search-
shapes and sizes and can be used to transport
layer at a time. anything from weapons to pizzas. and-rescue functions.
It works like this. First, a designer uses The increasing use of drones is controversial, For example, in Japan, where massive
software to create a blueprint, or plan, for the for reasons of both safety and ethics. Some earthquakes are a constant risk, rescue robots use
object. (You can also find existing blueprints naysayers worry about midair collisions or drone ultrasonic sensors that detect sounds beyond the
online.) Next, the blueprint and the crashes on busy streets. Others object to the way limits of human hearing, and infrared cameras
materials—such as plastics or metals—are drones are used in warfare. that can detect body heat to locate humans
loaded into a 3D printer. The materials are Despite these legitimate concerns, drones trapped at disaster sites. The bots then load the
heated to a liquid state, then hardened one have many positive uses. In the wildfire-prone victims onto carts and transport them to safety.
As their name suggests, snakebots are robots
layer at a time to form the object. western United States, for example, drones are that look and move like snakes. They have been
What’s so great about 3D printing? Using
used to spot and fight fires. Not only can drones
this process, almost anybody can become a battle forest fires, but they can also replant used at various disaster sites around the world,
manufacturer. Makers can design and print deforested areas. One company plans to use slithering through difficult terrain to search for
objects quickly, at a fraction of the usual cost. drones to plant one billion trees per year. victims, gather information, and even deliver
For example, the 3D printing process Drones are also helping to protect emergency supplies.
has allowed volunteers to create custom- endangered wildlife. In Indonesia, drones monitor
made artificial limbs. The limbs go to the Sumatran orangutan population. And, in East
elephants and rhinos.
conventional prostheses.
You may have heard the expression people who could not afford expensive Africa, drones spot poachers who illegally hunt A snakebot can explore
difficult terrain.
“necessity is the mother of invention.” In another example, a San Francisco Perhaps drones’ most useful purpose is
What does it mean? When we need something startup printed an entire “tiny house” in just helping sick and injured people. About eight
that doesn’t exist, we invent it! Here are three 24 hours. It cost about $10,000. Now, various million people worldwide lack access to basic
medical care. Now, several organizations are
organizations have proposed printing tiny
(of many) recent innovations that are helping houses to shelter the homeless. making plans to use drones to deliver emergency
people around the world. and medical supplies to communities in need.
148 149
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CorrectionKey=NL-A The Boy Who Invented TV ...............................................................150
The Boy Who Invented TV myNotes
i
h
o F
l
a
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o
s
r
n
o
t
y o
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T
The Story of Philo Farnsworth r t h
e S
h
f P
by Kathleen Krull • illustrated by Greg Couch
BIOGRAPHY
by Kathleen Krull
illustrated by Greg Couch
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myNotes The Secret Science Alliance and the Copycat Crook .......168
AND THE
COPYCAT CROOK
BY ELEANOR DAVIS written and illustrated by Eleanor Davis
GRAPHIC NOVEL
169
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CorrectionKey=NL-A myNotes Lions No Match for Young Boy and His Invention
LIONS
NO MATCH and Lion Lights ...................................................................................... 188
FOR YOUNG
BOY AND HIS by Andrew Howley, National Geographic
INVENTION
by Andrew Howley
MAGAZINE ARTICLE and VIDEO INTERVIEW
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CorrectionKey=NL-A 3D Printing: Imagination in Technology .................................196
3D Printing: myNotes
Imagination
in Technology
INFORMATIONAL TEXT
Performance Task
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Write a News Report ............................................................ 214
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