TIME LINE OF TECHNOLOGY Early people used… STONES, BONES & WOOD …to make everything they needed.
During the Stone Age people lived… NOMADIC lives. They HUNTED ANIMALS and … GATHERED PLANTS for food.
About 10,000 years ago people learned how to… PLOW was developed years later the first… GROW THEIR OWN FOOD B.C. - mid 1700’s
3000 B.C. to about 1200 B.C. Mixture of two or more metals…
It replaced bronze because it could be used to make… STRONGER, LONGER-LASTING tools. It started around 1200 B.C.
200 B.C.
MOVABLE TYPE
Before the printing press, books were copied…. BY HAND.
1609
Ben Franklin1752
The water wheel was a source of energy for… GRINDING MILLS & LUMBER MILLS.
The Industrial Era Late _____ - mid 1900’s 1700’s
During the Industrial Revolution, human & animal muscle power was replaced by… MACHINES.
STEAM During the Industrial Revolution, many machines were powered by…
James Watt 1769 Steam Engine
WOOD COAL
1793 – Cotton Gin Eli Whitney
ROBERT FULTON
THOMAS EDISON 1879
WRIGHT BROTHERS 1903 ORVILLE & WILBUR
HENRY FORD ASSEMBLY LINE INTERCHANGABLE PARTS
1 ST LIQUID- FUELED ROCKET
1943 FIRST NUCLEAR REACTOR
ENIAC developed by US ARMY During… W W II
1957 First artificial satellite… SPUTNIK Start of the “Space Race”
First human to walk on the moon… 1969 Neil Armstrong
Creation of materials, devices, and systems using individual atoms & molecules… NANOTECHNOLOGY
Rate of technological change… INCREASING!
TECHNOLOGICAL CHANGES To be continued…