[Trial]Inventions and Discoveries
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Introducing Inventions and Discoveries
4
Why People Invent
6
Early Inventions
12
Inventors in Ancient Greece
14
The Spread of Knowledge
16
Inventions at Sea
18
The Age of Ideas
20
Discoveries in Astronomy
22
Newton and a New World
24
The Industrial Revolution
26
Steam on Water, Steam on Rails
28
Machines on the Farm
30
Electric Power Switches On
32
Communication Speeds Up
34
Capturing Images and Motion
36
The Great Inventor
38
People on Wheels
40
Medical Progress
42
Radio Makes Waves
46
The Television Age
48
Flying High
50
Computers
52
The Internet
54
The History of Inventions and Discoveries
56
Glossary
62
Find Out More
63
Index
64
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