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2. Oscillation - Wikipedia

   en.wikipedia.org/wiki/Oscillation

   In addition, an oscillating system may be subject to some external force, as when an AC circuit is connected to an outside power source. In this case the oscillation is said to be driven . The simplest example of this is a spring-mass system with a sinusoidal driving force.

3. Fan (machine) - Wikipedia

   en.wikipedia.org/wiki/Fan_(machine)

   A household electric fan A large cylindrical fan. A fan is a powered machine that creates airflow. A fan consists of rotating vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an impeller, rotor, or runner. Usually, it is contained within some form of housing ...

4. Electronic oscillator - Wikipedia

   en.wikipedia.org/wiki/Electronic_oscillator

   Simple relaxation oscillator made by feeding back an inverting Schmitt trigger's output voltage through a RC network to its input.. An electronic oscillator is an electronic circuit that produces a periodic, oscillating or alternating current (AC) signal, usually a sine wave, square wave or a triangle wave, [1] [2] [3] powered by a direct current (DC) source.

5. Let an Oscillating Fan Create a Cooling Summer Breeze — and ...

   www.aol.com/let-oscillating-fan-create-cooling...

   Buy: Honeywell Turbo Force Oscillating Table Fan $45.28 . 8. ZICOOLER Bladeless Tower Fan BEST BLADELESS PICK. Bladeless fans have a modern look and are a safer addition to the home for kids and pets.

6. Ponderomotive force - Wikipedia

   en.wikipedia.org/wiki/Ponderomotive_force

   In physics, a ponderomotive force is a nonlinear force that a charged particle experiences in an inhomogeneous oscillating electromagnetic field. It causes the particle to move towards the area of the weaker field strength, rather than oscillating around an initial point as happens in a homogeneous field.

7. Ringing artifacts - Wikipedia

   en.wikipedia.org/wiki/Ringing_artifacts

   The Gaussian function is non-negative and non-oscillating, hence causes no overshoot or ringing. If the cause is the use of a brick-wall low-pass filter, one may replace the filter with one that reduces the time domain artifacts, at the cost of frequency domain performance. This can be analyzed from the time domain or frequency domain perspective.