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According to a study in France, executives and professionals are 2.6 centimetres (1.0 in) taller, and university students are 2.55 centimetres (1.0 in) taller than the national average. [ 7 ] As this case shows, data taken from a particular social group may not represent a total population in some countries.
This is a list of the tallest people, verified by Guinness World Records or other reliable sources. According to the Guinness World Records, the tallest human in recorded history was Robert Wadlow of the United States (1918–1940), who was 272 cm (8 ft 11 in). He received media attention in 1939 when he was measured to be the tallest man in ...
Human height measurement using a stadiometer. Human height or stature is the distance from the bottom of the feet to the top of the head in a human body, standing erect.It is measured using a stadiometer, [1] in centimetres when using the metric system or SI system, [2] [3] or feet and inches when using United States customary units or the imperial system.
This list of tallest statues includes completed statues that are at least 50 m (160 ft) tall. The height values in this list are measured to the highest part of the human (or animal) figure, but exclude the height of any pedestal (plinth), or other base platform as well as any mast, spire, or other structure that extends higher than the tallest figure in the monument.
All of these factors make track and "football 40" performances essentially impossible to compare. The world best time for a "football 40" is 4.17 by Deion Sanders, while the extrapolated best for an Olympic-level athlete (including reacting to a starting gun) is 4.24 by Maurice Greene at the 2001 World Championships in Athletics.
The TMT would be housed in a general-purpose observatory capable of investigating a broad range of astrophysical problems. The total diameter of the dome will be 217 feet (66 m) with the total dome height at 180 feet (55 m) (comparable in height to an eighteen-storey building [54]). The total area of the structure is projected to be 1.44 acres ...
1–10 μm — diameter of a typical bacterium. 1.55 μm — wavelength of light used in optical fibre. 3–4 μm — size of a typical yeast cell. 5 μm — length of a typical human spermatozoon 's head [ 22 ] 6 μm — anthrax spore. 7 μm — diameter of the nucleus of a typical eukaryotic cell.
A guyed mast is cheaper to build than a self-supporting tower of equal height. A guyed mast needs additional land to accommodate the guys, and is thus best suited to rural locations where land is relatively cheap. An unguyed tower will fit into a much smaller plot. A steel lattice tower is cheaper to build than a concrete tower of equal height.