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Na pravou míru: Nezázrak islámské vědy: Difference between revisions
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Na pravou míru: Nezázrak islámské vědy (view source)
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In [[China]] 202 BC, General Han Xin, under Emperor Liu Bang, made a man-carrying kite for military purposes. This is the first recorded evidence of human flight.<ref>[{{Reference archive|1=http://web.archive.org/web/20070816142101/http://en.weifangkite.net/|2=2011-04-18}} Origin of kite] - Weifang Kite, accessed April 18, 2011</ref> | In [[China]] 202 BC, General Han Xin, under Emperor Liu Bang, made a man-carrying kite for military purposes. This is the first recorded evidence of human flight.<ref>[{{Reference archive|1=http://web.archive.org/web/20070816142101/http://en.weifangkite.net/|2=2011-04-18}} Origin of kite] - Weifang Kite, accessed April 18, 2011</ref> | ||
=== | ===Skleněná zrcadla=== | ||
{{Quote||''' | {{Quote||'''Co se učí:''' Skleněná zrcadla byla poprvé vyrobena roku 1291 ve Venice.<BR><BR>'''Co by se mělo učit:''' Skleněná zrcadla byly používány v islámském Španělsku už od 11. století. Benátčané se naučili umění produkce jemného skla od syrských řemeslníků během 9. a 10. století.<ref name="Dr K. Ajram"></ref>}} | ||
Římané vynalezli skleněné zrcadlo v Sidonu v prvním století našeho letopočtu.<ref>[{{Reference archive|1=http://www.digitalegypt.ucl.ac.uk/metal/mirrors.html|2=2011-04-18}} Mirrors in Egypt (Old Kingdom - Roman Period)] - Digital Egypt for Universities, accessed April 18, 2011</ref> | |||
===Mechanical Clocks=== | ===Mechanical Clocks=== | ||