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In fluid dynamics, the drag crisis (also known as the Eiffel paradox [1]) is a phenomenon in which drag coefficient drops off suddenly as Reynolds number increases. This has been well studied for round bodies like spheres and cylinders. The drag coefficient of a sphere will change rapidly from about 0.5 to 0.2 at a Reynolds number in the range ...
The Secret Life of Plants (1973) is a book by Peter Tompkins and Christopher Bird, which documents controversial experiments that claim to reveal unusual phenomena associated with plants, such as plant sentience and the ability of plants to communicate with other creatures, including humans. The book goes on to discuss philosophies and ...
Alexandre Gustave Eiffel was born in France, in the Côte-d'Or, the first child of Catherine-Mélanie (née Moneuse) and Alexandre Bonickhausen dit Eiffel. [6] He was a descendant of Marguerite Frédérique (née Lideriz) and Jean-René Bönickhausen, who had emigrated from the German town of Marmagen and settled in Paris at the beginning of the 19th century. [7]
The Laboratoire Aerodynamique Eiffel (English: Laboratory of Aerodynamics Eiffel) is a research institute, associated with the Scientific and Technical Centre for Building. It is located in Paris , France, 16th arrondissement .
The Eiffel firm had advance knowledge of the project and, beginning in 1884, had already designed a tower exactly to those dimensions. The structural design was created by two Eiffel engineers, Maurice Koechlin and Émile Nouguier, who along with Eiffel himself, received the patent for the plan.
Featuring Philippe Couperie-Eiffel, a fourth-generation descendant of Eiffel, the video underscores 3i’s commitment to pushing technological boundaries and contributing to modern engineering. This collaboration reflects a shared dedication to progress and innovation, linking 3i’s forward-looking vision with the enduring spirit of the Eiffel ...
Eiffel Tower Statue of Liberty (Liberty Enlightening the World) Eiffel (French Eiffel Constructions métalliques ) is part of the Eiffage group and the descendant of the engineering company Société des Établissements Eiffel founded by Gustave Eiffel , designer of the Eiffel Tower .
The 77 cm (30 in) refractor telescope [2] made by Henry and Gautier became operational around 1886–1887, [2] [3] was the largest in a privately funded observatory, and the first at such high altitude (325 m or 1,066 ft above sea level).