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Obsolete technology Replacement Still used for Bathing machine: No longer required due to changing social standards of morality Hourglass: Clock: Tasks where a fixed amount of time can be measured with a low-tech solution: Exposure time tracker in saunas (where electronics might be damaged by the heat or ultraviolet light); retro kitchen timers, board games, other short-term timers.
The three-age system does not accurately describe the technology history of groups outside of Eurasia, and does not apply at all in the case of some isolated populations, such as the Spinifex People, the Sentinelese, and various Amazonian tribes, which still make use of Stone Age technology, and have not developed agricultural or metal ...
Africa saw the advent of some of the earliest ironworking technology in the Aïr Mountains region of what is today Niger and the erection of some of the world's oldest monuments, pyramids, and towers in Egypt, Nubia, and North Africa. In Nubia and ancient Kush, glazed quartzite and building in brick were developed to a greater extent than in Egypt.
The 1985 Yellow Book standard developed by Sony and Philips adapted the format to hold any form of binary data. [525] 1982: Direct to home satellite television transmission, with the launch of Sky One service. [526] 1982: The first laptop computer is launched, the 8/16-bit Epson HX-20. [527] 1983: Stereolithography is invented by Chuck Hull. [528]
Ancient Greek technology developed during the 5th century BC, continuing up to and including the Roman period, and beyond. Inventions that are credited to the ancient Greeks include the gear, screw, rotary mills, bronze casting techniques, water clock, water organ, the torsion catapult, the use of steam to operate some experimental machines and ...
The French President François Mitterrand promised to investigate ways to return various Korean books including the Jikji, should the French high-speed rail technology be exported to Korea. [16] From April to June 2011, 297 volumes with 191 different Uigwes of the Kyujanggak (Oegyujanggak), were shipped back in four separate installments and ...
The Kaogongji is the oldest known technical encyclopedia, [5] particularly noted for its early discussion of Chinese urban planning. It has been suggested that the Kaogongji "may have been written by an administrator to assure the emperor that everything was under control. It is part of a manual for how to run the empire". [1]
The Harwell computer, or Harwell Dekatron computer, [1] [2] later known as the Wolverhampton Instrument for Teaching Computing from Harwell (WITCH), [3] is an early British computer of the 1950s based on valves and relays.