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  2. Rubens tube - Wikipedia

    en.wikipedia.org/wiki/Rubens_tube

    A Rubens tube, also known as a standing wave flame tube, or simply flame tube, is a physics apparatus for demonstrating acoustic standing waves in a tube. Invented by German physicist Heinrich Rubens in 1905, it graphically shows the relationship between sound waves and sound pressure, as a primitive oscilloscope. Today, it is used only ...

  3. Waving - Wikipedia

    en.wikipedia.org/wiki/Waving

    A man waving Video of children waving. Waving is a nonverbal communication gesture that consists of the movement of the hand and/or entire arm that people commonly use to greet each other, but it can also be used to say goodbye, acknowledge another's presence, call for silence, or deny someone. [1] The wave gesture is an essential element of ...

  4. Worksheet - Wikipedia

    en.wikipedia.org/wiki/Worksheet

    The form comes with two worksheets, one to calculate exemptions, and another to calculate the effects of other income (second job, spouse's job). The bottom number in each worksheet is used to fill out two if the lines in the main W4 form. The main form is filed with the employer, and the worksheets are discarded or held by the employee.

  5. Wave - Wikipedia

    en.wikipedia.org/wiki/Wave

    A standing wave, also known as a stationary wave, is a wave whose envelope remains in a constant position. This phenomenon arises as a result of interference between two waves traveling in opposite directions. The sum of two counter-propagating waves (of equal amplitude and frequency) creates a standing wave. Standing waves commonly arise when ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. Refraction - Wikipedia

    en.wikipedia.org/wiki/Refraction

    The electromagnetic waves emitted by the oscillating electrons interact with the electromagnetic waves that make up the original light, similar to water waves on a pond, a process known as constructive interference. When two waves interfere in this way, the resulting "combined" wave may have wave packets that pass an observer at a slower rate.

  8. American Airlines loses US appeal of ruling barring JetBlue ...

    www.aol.com/news/american-airlines-loses-us...

    (Reuters) -A U.S. appeals court on Friday held that a trial judge correctly found that American Airlines' now-scrapped U.S. Northeast partnership with JetBlue Airways violated federal antitrust ...

  9. Clapotis - Wikipedia

    en.wikipedia.org/wiki/Clapotis

    Incoming wave (red) reflected at the wall produces the outgoing wave (blue), both being overlaid resulting in the clapotis (black). In hydrodynamics, a clapotis (from French for "lapping of water") is a non-breaking standing wave pattern, caused for example, by the reflection of a traveling surface wave train from a near vertical shoreline like a breakwater, seawall or steep cliff.

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