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See the Science section for more instructions, hints and tips.


Consider the impact that these have had on our lives. Almost every one of them have an impact on our lives every day.

InventionYear
Fire1,700,000 years
Ceramics8000 BC
Wheel3500 BC
Copper3500 BC
Nail3300 BC
Decimal Number System3000 BC
Candle3000 BC
Glass2500 BC
Ink2500 BC
Alphabet1600 BC
Kite1000 BC
Button700 BC
Coins650 BC
Soap600 BC
Screw500 BC
Pulley400 BC
Concrete300 BC
Books100 BC
The Number Zero100
Paper105
Gunpowder900
Paper Money1000
Compass1100
Lenses1280
Printing Press1450
Toothbrush1498
Calendar1582
Thermometer1592
Microscope1600
Timepiece - clock, watch1656
Cotton Gin1793
Vaccines1796
Battery1800
Bicycle1818
Matches1827
Telegraph1832
Electric Motor1834
Rubber1839
Refrigerator1842
Anesthesia1844
Steel1856
Combustion Engine1859
Plastic1862
Telephone1876
Sound Recording1877
Light Bulb1879
Camera1888
Automobile1889
Moving Pictures1891
Radio1896
Airplane1903
Radar1904
Assembly Line1913
Television1923
Rocket1926
Penicillin1928
Jet Engine>1930
Computer1939
Cell Phone1946
Integrated Circuit1958
Laser1958
Calculator1967
Internet1969
GPS1973
Personal Computer1974
World Wide Web1989
Google Search Engine1998


Copyright © 2008 Vincent Hale