WOW.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Wagon-wheel effect - Wikipedia

   en.wikipedia.org/wiki/Wagon-wheel_effect

   Video of a spinning, patterned paper disc. At a certain speed the sets of spokes appear to slow and rotate in opposite directions. The wagon-wheel effect (alternatively called stagecoach-wheel effect) is an optical illusion in which a spoked wheel appears to rotate differently from its true rotation. The wheel can appear to rotate more slowly ...

3. Rotation - Wikipedia

   en.wikipedia.org/wiki/Rotation

   Rotation. Rotation or rotational motion is the circular movement of an object around a central line, known as axis of rotation. A plane figure can rotate in either a clockwise or counterclockwise sense around a perpendicular axis intersecting anywhere inside or outside the figure at a center of rotation. A solid figure has an infinite number of ...

4. Solar rotation - Wikipedia

   en.wikipedia.org/wiki/Solar_rotation

   Solar rotation varies with latitude. The Sun is not a solid body, but is composed of a gaseous plasma. Different latitudes rotate at different periods. The source of this differential rotation is an area of current research in solar astronomy. [1] The rate of surface rotation is observed to be the fastest at the equator (latitude φ = 0°) and ...

5. Autorotation - Wikipedia

   en.wikipedia.org/wiki/Autorotation

   Autorotation is a state of flight in which the main rotor system of a helicopter or other rotary-wing aircraft turns by the action of air moving up through the rotor, as with an autogyro, rather than engine power driving the rotor. [1] [2] [3] The term autorotation dates to a period of early helicopter development between 1915 and 1920, and ...

6. Rotation around a fixed axis - Wikipedia

   en.wikipedia.org/wiki/Rotation_around_a_fixed_axis

   v. t. e. Rotation around a fixed axis or axial rotation is a special case of rotational motion around an axis of rotation fixed, stationary, or static in three-dimensional space. This type of motion excludes the possibility of the instantaneous axis of rotation changing its orientation and cannot describe such phenomena as wobbling or precession.

7. Glossary of video terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_video_terms

   To keep two sequences playing at the same rate (in sync). A slide show or a series of video clips can be synced to the beat on an audio track. A talking-head video needs to maintain lip-sync, so that the audio matches the mouth movements of the speaker. Synchronizing Maintaining two or more scanning processes in phase.