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This motion is generated directly either by the water and wind motion, particularly lateral wave motion, exerting forces against the hull or by the ship's own propulsion; or indirectly by the inertia of the ship while turning. This movement can be compared to the vessel's lateral drift from its course.
The legs of water beetles have little hairs which spread out to catch and move water back in the power stroke, but lay flat as the appendage moves forward in the return stroke. Also, one side of a water beetle leg is wider than the others and is held perpendicular to the motion when pushing backward, but the leg rotates when the limb returns ...
Waterfowl and boats moving across the surface of water produce a wake pattern, first explained mathematically by Lord Kelvin and known today as the Kelvin wake pattern. [1] This pattern consists of two wake lines that form the arms of a chevron, V, with the source of the wake at the vertex of the V.
Human effort is used through a pole pushing against the bottom of shallow water, or paddles or oars operating in the surface of the water. Wind power is used by sails; Towing is used, either from the land, such as the bank of a canal, with the motive power provided by draught animals, humans or machinery, or one watercraft may tow another.
1978 – The Water Babies; 1978 – Laserblast; 1978 – Revenge of the Pink Panther; 1978 – Grease (animated opening sequence) 1978 – The Light Princess (backgrounds and most animals are animated) 1978 – Metamorphoses; 1978 – Star Wars Holiday Special (animated segment called "The Faithful Wookiee")
John Whitney was of the first users of the term "motion graphics" and founded a company called Motion Graphics Inc. in 1960. [4] One of his most famous works was the animated title sequence from Alfred Hitchcock’s film “Vertigo” in 1958, collaborating with Saul Bass, which featured swirling graphics growing from small to large.
The squat effect is the hydrodynamic phenomenon by which a vessel moving through shallow water creates an area of reduced pressure that causes the ship to increase its draft (alternatively decrease the underkeel clearance of the vessel in marine terms) and thereby be closer to the seabed than would otherwise be expected.
Animation is a filmmaking technique whereby still images are manipulated to create moving images. In traditional animation, images are drawn or painted by hand on transparent celluloid sheets to be photographed and exhibited on film. Animation has been recognized as an artistic medium, specifically within the entertainment industry.