friction pile
61Électricité — Ligne électrique près d une voie ferrée en Pologne. La …
62S. A. Andrée's Arctic balloon expedition of 1897 — was an ill fated effort to reach the North Pole in which all three expedition members perished. S. A. Andrée (1854 ndash;97), [Andrée, christened Salomon August, invariably went by his initials as an adult.] the first Swedish balloonist, proposed …
63ocean current — Horizontal and vertical circulation system of ocean waters, produced by gravity, wind friction, and water density variation. Coriolis forces cause ocean currents to move clockwise in the Northern Hemisphere and counterclockwise in the Southern… …
64energy conversion — ▪ technology Introduction the transformation of energy from forms provided by nature to forms that can be used by humans. Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy …
65MythBusters (2006 season) — Country of origin Australia United States No. of episodes 28 (includes 2 specials) Broadcast Original channel Discovery Channel …
66Electricity — (from the Greek word ήλεκτρον, (elektron), meaning amber, and finally from New Latin ēlectricus , amber like ) is a general term that encompasses a variety of phenomena resulting from the presence and flow of electric charge. These include many… …
67Weaving — Weaver (occupation) redirects here. This article is about textile weaving. For other uses, see Weaving (disambiguation). Warp and weft in plain weaving Weaving is a method of fabric production in which two distinct sets of yarns or threads are… …
68Artificial ski slopes — or dry ski slopes are ski slopes that mimic the attributes of snow using materials that are stable at room temperature, to enable people to ski on them. The term dry ski slopes is also used but can be misleading as many slopes are lubricated… …
69Felt — For other uses, see Felt (disambiguation). Felt is a non woven cloth that is produced by matting, condensing and pressing woollen fibres. While some types of felt are very soft, some are tough enough to form construction materials. Felt can be of …
70Gulf War — This article is about the war in 1990/91. For other wars of that name, see Persian Gulf War (disambiguation). Operation Desert Storm redirects here. For the video game, see Operation: Desert Storm (video game). Gulf War …
