The timeline of historic inventions is a chronological list of particularly important or significant ... 5.10 20th century. 5.10.1 1900s .... 5th–4th century BC: Traction trebuchet in Ancient China; appeared in the Mediterranean by the 6th century AD .
Technology, science, and inventions have progressed at an accelerated rate during the hundred years of the 20th century, more so than any other century.
Sep 9, 2010 ... And so, without further ado and in no particular order, here are my nominees for the ten greatest inventions/discoveries of the twentieth century: ...
Trueman · Contact · Home » Inventions and Discoveries of the Twentieth Century » Inventions 1900 to 1990 ... Citation: C N Trueman "Inventions 1900 to 1990"
20th Century Innovation Timeline. 1900 00 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 . YEAR, INVENTION, INVENTOR. 1900, Dirigible Hershey Bar Radio, Wireless ...
Drew's first tape invention was a masking tape made for painters in 1923 (this tape was designed to help painters paint a straight border between two colors).
From atomic bombs to cell phones, the technological developments of the 20th Century have been profound, both improving our lives and endangering us.
In order to understand the changes occurred in the first part of the 21st century, it is important also to highlight the top ten inventions of the 20th century (again it ...
Welcome! How many of the 20th century's greatest engineering achievements will you use today? A car? Computer? Telephone? Explore our list of the top 20 ...