kilometres per hour
71technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
72g-force — This article is about a type of acceleration. For other uses, see G force (disambiguation). This top fuel dragster can accelerate from zero to 160 kilometres per hour (100 mph) in 0.86 seconds. This is a horizontal acceleration of 5.3 g …
73Type 63 (tank) — This article is about the tank. For other uses, see Type 63. Type 63 Chinese Type 63 I tank at the China People s Revolution Military Museum. Type Amphibious l …
74Harmonic mean — In mathematics, the harmonic mean (formerly sometimes called the subcontrary mean) is one of several kinds of average. Typically, it is appropriate for situations when the average of rates is desired.The harmonic mean H of the positive real… …
75Huygens probe — Infobox Spacecraft Name = Huygens probe Caption = A scale replica of the probe, 1.3 metres across. Organization = ESA/ASI/NASA Major Contractors = Aérospatiale, now Thales Alenia Space Mission Type = Lander Satellite Of = Saturn Launch = December …
76Pichilemu — Pichilemo redirects here. For other uses, see Pichilemo (disambiguation). Pichilemu Pichilemo   City …
77Daewoo Royale — Manufacturer General Motors Korea (1975–1976) Saehan Motors (1976–1983) Daewoo Motors (1983–1993) Production 1972–1993 Successor Daewoo Arcadia (replaced Imperial) Daewoo Prince (replaced Royale) Body style 4 door …
78air-cushion machine — ▪ vehicle Introduction also called ground effect machine, or hovercraft, any of the machines characterized by movement in which a significant portion of the weight is supported by forces arising from air pressures developed around the… …
79military aircraft — Introduction any type of aircraft that has been adapted for military use. Aircraft have been a fundamental part of military power since the mid 20th century. Generally speaking, all military aircraft fall into one of the following… …
80Tachymeter — A tachymeter or tacheometer is a kind of theodolite used for rapid measurements and determines, electronically or electro optically, the distance to target, and is highly automated in its operations. A tachymeter is also used as the name of the… …
