2. 10 million years ago.
Humans made the
first tools from
stone, wood, antlers
and bones.
These tools work
like extensions of
your body, making
you feel much
stronger and helping
you work faster and
more efficiently.
http://www.explainthatstuff.com/timeline.html
3. 10,000 BCE
Earliest boats are
constructed.
Boats were
constructed for
easier transportation
either for trade or
for exploration.
http://www.explainthatstuff.com/how-ships-work
http://www.explainthatstuff.com/timeline.html
4. 6000– 7000 BCE
Hand-made bricks
first used for
construction in the
Middle East.
Bricks or ceramics
are used for house
building etc. but
scientists say that
this is not the first
time ceramics are
being used.
http://www.explainthatstuff.com/ceramics.html#b
5. 3000– 600BCE
Bronze Age
Bronze is introduced
to humans.
Widespread use of
copper and its
important alloy
bronze.
http://www.explainthatstuff.com/timeline.html
6. 2000 BCE
Water-raising and
irrigation devices
made possible the
introduction of
inventions like the
idea of lifting things
using
counterweights that
lead to the elevator.
http://www.explainthatstuff.com/timeline.html
7. 1000 BCE
The Iron Age begins
Iron is widely used
for making tools and
weapons in many
parts of the world.
http://www.explainthatstuff.com/timeline.html
8. 105 CE
Ts'ai Lun makes the
first paper in china.
http://www.explainthatstuff.com/timeline.html
9. 1609
Galileo Galilei
builds a practical
telescope and makes
new astronomical
discoveries.
http://www.explainthatstuff.com/timeline.html
10. 1769
Wolfgang von
Kempelen develops
a mechanical
speaking machine:
the world's first
speech synthesizer.
http://www.explainthatstuff.com/timeline.html
12. 1908
American
industrialist and
engineer Henry Ford
launches the Ford
Model T, the world's
first truly affordable
car.
http://www.explainthatstuff.com/timeline.html
13. 1957
Soviet Union (Russia
and her allies)
launch the Sputnik
space satellite.
http://www.explainthatstuff.com/timeline.html
