The Information about Some Great Inventions |
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Invention |
Wheel |
Telephone |
Light bulb |
Paper |
Appearing Time |
A few thousand years ago |
In 1876 |
In 1879 |
Around 2000 Years ago |
Inventor |
nuknown |
Alexander Bell |
Thomas Edison |
Cai Lun |
Inventor's Nationality |
nuknown |
American |
American |
Chinese |
Early Main Material |
Wood |
Plastic and metal |
Glass and metal |
Cotton or flax |
Main Use |
Making Travelling faster |
Used for Communicating Over distances |
Giving light |
Used for Recording information |
Word Box:light bulb灯泡flax亚麻