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Running is a gait with an aerial phase in which all feet are above the ground (though there are exceptions). [1] This is in contrast to walking , where one foot is always in contact with the ground, the legs are kept mostly straight, and the center of gravity vaults over the stance leg or legs in an inverted pendulum fashion. [ 2 ]
Joseph Bramah (13 April 1748 [1] – 9 December 1814) was an English inventor and locksmith. He is best known for having improved the flush toilet and inventing the hydraulic press . Along with William Armstrong, 1st Baron Armstrong , he can be considered one of the two fathers of hydraulic engineering.
1748 was a leap year starting on Monday of the Gregorian calendar and a leap year starting on Friday of the Julian calendar, the 1748th year of the Common Era (CE) and Anno Domini (AD) designations, the 748th year of the 2nd millennium, the 48th year of the 18th century, and the 9th year of the 1740s decade. As of the start of 1748, the ...
Ancient Roman relief showing a legionary. Antikensammlung, 2nd century AD. Physical training has been present in some human societies throughout history. Usually, people trained to prepare for physical competition or display, to improve physical, emotional and mental health, and to look attractive. [1]
The year 1748 in science and technology involved some significant events. ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; ...
1989 – Cairo Underground Metro Line 1 is the first line of underground in Africa and Middle East Line length 44 kilometres (27 mi) with 34 stations Daily ridership 1 million passenger Operating speed 100 km/h (62 mph). 1990 – World speed record for an electric train is set in France by a TGV, reaching a speed of 515 km/h (320 mph).
1748: Fine porcelain developed by Thomas Frye (c. 1710–1762), of Bow porcelain factory, London. [10] Cf. Frye's rivals at Chelsea porcelain factory. 1770s: Jasperware developed by Josiah Wedgwood (1730–1795). [11] 1789–1793: Bone china created by Josiah Spode (1733–1797). [12] 1813: Ironstone china invented by Charles James Mason (1791 ...
Wooden dandy horse (around 1820), a patent-infringing copy of the first two-wheeler Original Laufmaschine of 1817 made to measure.. The dandy horse, an English nickname for what was first called a Laufmaschine ("running machine" in German), then a vélocipède or draisienne (in French and then English), and then a pedestrian curricle or hobby-horse, [1] or swiftwalker, [2] is a human-powered ...