Dear students,
In order to complete your task you can visit these web pages:
Twentieth Century Inventions
http://inventors.about.com/od/timelines/a/twentieth.htm
Timeline inventions from Ancient BC to today.
http://www.ideafinder.com/history/timeline.htm
A site that explains some Chinese inventions
http://sln.fi.edu/tfi/info/current/inventions.html
Another good site with information about Chinese inventions.
http://library.thinkquest.org/15618/inventor.htm
A list of links to food related inventions
http://www.enchantedlearning.com/inventors/food.shtml
The history of communication.
http://inventors.about.com/library/inventors/bl_history_of_communication.htm
Best regards,
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