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He therefore specified the Tower’s purpose: meteorological and astronomical observations, physics experiments, a strategic vantage point, an optical telegraph communications point, a beacon for electric lighting and wind studies.
Oct 16, 2024 · The Eiffel Tower stands on four lattice-girder piers that taper inward and join to form a single large vertical tower. As they curve inward, the piers are connected to each other by networks of girders at two levels that afford viewing platforms for tourists.
- The Editors of Encyclopaedia Britannica
The Eiffel Tower (/ ˈ aɪ f əl / ⓘ EYE-fəl; French: Tour Eiffel [tuʁ ɛfɛl] ⓘ) is a wrought-iron lattice tower on the Champ de Mars in Paris, France. It is named after the engineer Gustave Eiffel, whose company designed and built the tower from 1887 to 1889.
Jan 6, 2005 · A key factor for Eiffel was determining where the tangents to the skyline profile -- which run from given horizontal sections of the tower -- intersect the resulting wind forces acting above...
- Science X
Even though Eiffel was already a renowned engineer, celebrated for his work on structures such as the Garabit Viaduct, the dome of the Nice Observatory, and the Statue of Liberty, some claimed that it was an impossible feat to build a tower that could withstand the wind at such high altitudes.
Oct 23, 2014 · In 1909, Eiffel built a wind tunnel at the bottom of the Tower. It’s a large tube through which a strong fan pushes air. Air flowing around stationary objects placed in the tunnel would mimic effects during flight. This allowed Eiffel to test several models of airplane wings and propellers.
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Nov 19, 2018 · The famous Eiffel Tower in Paris points toward a surprisingly active gamma-ray sky. Fermi sees thousands of flaring supermassive black holes, hundreds of flashing neutron stars, scores of stellar explosions, along with the glowing path of the Milky Way.
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