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Updated by Freya Lauren Kellet on Mar 06, 2013
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Inventions that Changed the World

Here are some of the most significant inventions that have helped shape the world we live in today. VOTE or ADD inventions you think are most important!

1

Printing Press

Printing Press
2

Light Bulb

Light Bulb
3

The Wheel

The Wheel
4

The Telephone

The Telephone
6

Internal Combustion Engine

Internal Combustion Engine
7

The Internet

The Internet
Watt steam engine

The Watt steam engine (alternatively known as the Boulton and Watt steam engine) was the first type of steam engine to make use of steam at a pressure just above atmospheric to drive the piston helped by a partial vacuum. Improving on the design of the 1712 Newcomen engine, the Watt steam engine, developed sporadically from 1763 to 1775, was the next great step in the development of the steam engine. Offering a dramatic increase in fuel efficiency, the new design replaced Newcomen engines in areas where coal was expensive, and then went on to be used in the place of most natural power sources such as wind and water. James Watt's design became synonymous with steam engines, due in no small part to his business partner, Matthew Boulton.

5

Penicillin

Penicillin
8

The Automobile

The Automobile
9

The Gun

The Gun
10

The Plow

The Plow
11

The Bicycle

The Bicycle
12

The Television

The Television
13

The Zip

The Zip
14

The Computer

The Computer

You're probably using it right now...

15

The Electric Toothbrush

The Electric Toothbrush
16

The Fake Moustache

The Fake Moustache
17

Cellphone

Cellphone
18

Clock/Watch

Clock/Watch
19

Calendar

Calendar
20

Battery

Battery
21

Toilet

Toilet
Electricity - Wikipedia, the free encyclopedia

Electricity is the science, engineering, technology and physical phenomena associated with the presence and flow of electric charges. Electricity gives a wide variety of well-known electrical effects, such as lightning, static electricity, electromagnetic induction and the flow of electrical current in an electrical wire. In addition, electricity permits the creation and reception of electromagnetic radiation such as radio waves.