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IEN 44 Latest Header Formats (June 1978) describes another version of IPv4, also with a header different from the modern IPv4 header. IEN 54 Internetwork Protocol Specification Version 4 ( September 1978) is the first description of IPv4 using the header that would become standardized in 1980 as RFC 760 .
Pac-Man, originally called Puck Man [a] in Japan, is a 1980 maze video game developed and published by Namco for arcades.In North America, the game was released by Midway Manufacturing as part of its licensing agreement with Namco America.
His idealised garden city would house 32,000 people on a site of 9,000 acres (3,600 ha). Howard's diagrams presented such a city in a concentric pattern with open spaces, public parks , and six radial boulevards , 120 ft (37 m) wide, extending from the centre, although he made it clear that the actual site planning should be left to experts.
The English word museum comes from Latin, and is pluralized as museums (or rarely, musea).It is originally from the Ancient Greek Μουσεῖον (), which denotes a place or temple dedicated to the muses (the patron divinities in Greek mythology of the arts), and hence was a building set apart for study and the arts, [1] especially the Musaeum (institute) for philosophy and research at ...
Hydraulic fracturing [a] is a well stimulation technique involving the fracturing of formations in bedrock by a pressurized liquid. The process involves the high-pressure injection of "fracking fluid" (primarily water, containing sand or other proppants suspended with the aid of thickening agents) into a wellbore to create cracks in the deep rock formations through which natural gas, petroleum ...
Hygiene is a practice [3] related to lifestyle, cleanliness, health, and medicine.In medicine and everyday life, hygiene practices are preventive measures that reduce the incidence and spread of germs leading to disease.
Acidophiles can thrive in a pH of 2.0 or less. [79] Piezophiles thrive at very high pressures : up to 1,000–2,000 atm , down to 0 atm as in a vacuum of space . [ b ] A few extremophiles such as Deinococcus radiodurans are radioresistant , [ 81 ] resisting radiation exposure of up to 5k Gy .