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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.
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. [ 4][ 5] In the early phase of ...
There are at least 108 mountains on Earth with elevations of 7,200 m (23,600 ft; 4.5 mi) or greater above sea level. Of these, 14 are more than 8,000 m (26,000 ft; 5.0 mi). [1] The vast majority of these mountains are located on the edge of the Indian and Eurasian plates in China, India, Nepal, and Pakistan.
The 828-metre (2,717 ft) tall Burj Khalifa in Dubai has been the tallest building since 2010. [ 1] The Burj Khalifa has been classified as megatall. [ 2] A diagram showing the tallest buildings as of 2024. This is a list of the tallest buildings. Tall buildings, such as skyscrapers, are intended here as enclosed structures with continuously ...
The scale. The Douglas sea scale, also called the "international sea and swell scale", was devised in 1921 [ 1] by Captain H. P. Douglas, who later became vice admiral Sir Percy Douglas and hydrographer of the Royal Navy. Its purpose is to estimate the roughness of the sea for navigation.
13.9–17.1 m/s 13–19 ft 4–5.5 m Sea heaps up and white foam from breaking waves begins to be blown in streaks along the direction of the wind; spindrift begins to be seen Whole trees in motion; inconvenience felt when walking against the wind 8 Gale, fresh gale 34–40 knots 39–46 mph 62–74 km/h 17.2–20.7 m/s 18–25 ft 5.5–7.5 m
Claims of being 8 feet 5 inches (257 cm), height not confirmed officially. [232] 1811–1844 (33) United States: 255 cm: 8 ft 4.5 in: Al Tomaini: Height disputed. Claimed to be 8 ft 4 in (254 cm). Guinness stated he was 7 ft 4 in (224 cm) [233] Tomaini was the son of Santo Tomaini and Maria Bossone. At the age of 12, he was taller than his ...
In the most familiar acuity test, a Snellen chart is placed at a standard distance: 6 metres. At this distance, the symbols on the line representing "normal" acuity subtend an angle of five minutes of arc, and the thickness of the lines and of the spaces between the lines subtends one minute of arc. This line, designated 6/6 (or 20/20), is the ...