sexta-feira, 30 de outubro de 2009
Sociedade
Instant Expert: Weapons Technology - tech - 04 September 2006 - New Scientist: "Violence and conflict have been a feature of human life throughout history. Starting with simple weapons, people have developed ever more advanced methods to kill one another. Technology has dominated warfare since the early 1900s, and an astounding 190 million people may have been killed during the 25 biggest conflicts of the 20th century"
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