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{{Short description|German physician, scientist and inventor}} | nationality = German ...

...ng]], [[chemistry]], [[biology]], [[geology]] and [[geography]]. [[Russian inventors]] and engineers excelled in such areas as [[electrical engineering]], [[shi ...ne of Russian inventions and technology records|Russian scientists|Russian inventors}} ...

...th-century English—an overview |url=https://public.oed.com/blog/nineteenth-century-english-an-overview/ |access-date=7 November 2020 |website=Oxford English D ...st=Badash |first=Lawrence |date=1972 |title=The completeness of nineteenth-century science |url=https://www.journals.uchicago.edu/doi/pdfplus/10.1086/350840 | ...

...ysics)|period]] of [[Cepheid]] [[variable stars]] at the beginning of 20th century. ...chemistry: their changing roles from alchemical times to the mid-twentieth century|last=F.|first=Rayner-Canham, Marelene|date=1998|publisher=American Chemical ...

...the human population will begin to decline in the second half of the 21st century.<ref>{{Cite news |last1=Cave |first1=Damien |last2=Bubola |first2=Emma |las ...s, broken down by continents, were published in the first half of the 19th century, at 600 million to 1&nbsp;billion in the early 1800s and 800&nbsp;million t ...

...ternal combustion engine, the [[Otto engine]], was designed in 1876 by the German engineer [[Nicolaus Otto]].<ref name="EB1">{{cite encyclopedia|encyclopedia In 1854, in the UK, the Italian inventors [[Eugenio Barsanti]] and [[Felice Matteucci]] obtained the certification: " ...

...hyssenkrupp-to-launch-revolutionary-rope-free-elevator-in-2022 |title=This German Company Is Inventing an Elevator That Goes Sideways |newspaper=Construction ...Tafel 09, Blatt 38v (Ausschnitt).jpg|thumb|upright|Elevator design by the German engineer [[Konrad Kyeser]] (1405)]] ...

...ray; Or, Photography of the Invisible and Its Value in Surgery'' (English; German: ''Röntgenstrahlen'', or: ''Die Photographie des Unsichtbaren und ihr Wert The '''history of radiation protection''' begins at the turn of the 19th and 20th centuries with the realization that [[ionizing radiation]] from na ...

...of the House of Representatives to honor the life and achievements of 19th Century Italian-American inventor Antonio Meucci, and his work in the invention of .... [https://archive.today/20120712220408/http://inventors.about.com/library/inventors/bl_Alessandro_Volta.htm Alessandro Volta - Biography of Alessandro Volta - ...