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  2. Vortex engine - Wikipedia

    en.wikipedia.org/wiki/Vortex_engine

    The vortex is begun by briefly turning on a diffuse heater (83) and electrically driving the turbines (21) as fans. This moves mildly heated air into the vortex arena (2). The air must have only a mild temperature difference because large temperature differences increase mixing with cold ambient air and reduce efficiency.

  3. Vornado Air - Wikipedia

    en.wikipedia.org/wiki/Vornado_Air

    Vornado is an American fan and home appliance brand based in Andover, Kansas, United States.The current incarnation of the company was founded in 1989, two years after the death of Ralph K. Odor (1895–1987), who founded the firm in the 1930s with Ottis A. Sutton in Wichita. [1]

  4. Vortex - Wikipedia

    en.wikipedia.org/wiki/Vortex

    The Crow instability of a jet aeroplane's contrail visually demonstrates the vortex created in the atmosphere (gas fluid medium) by the passage of the aircraft. A key concept in the dynamics of vortices is the vorticity , a vector that describes the local rotary motion at a point in the fluid, as would be perceived by an observer that moves ...

  5. Video captures rare 'snownado' vortex amid heavy ... - AOL

    www.aol.com/video-captures-rare-snownado-vortex...

    A video taken in Utah over the weekend captured a rare, mesmerizing weather occurrence known as a "snownado." According to the World Meteorological Organization (WMO) and The Weather Channel, a ...

  6. Here's what you need to know about the polar vortex

    www.aol.com/lifestyle/heres-know-polar-vortex...

    While the name for this phenomenon may sound intimidating to some, the polar vortex is actually a completely natural process t. Skip to main content. Sign in. Mail. 24/7 Help ...

  7. What you need to know about the polar vortex

    www.aol.com/heres-know-polar-vortex-165732890.html

    Polar vortex. It's a phrase that becomes very popular has achieved buzzword status and is often used frequently during the winter as the Northern Hemisphere endures its coldest months of the year ...

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