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  2. Signal magnitude area - Wikipedia

    en.wikipedia.org/wiki/Signal_magnitude_area

    In mathematics, the signal magnitude area (abbreviated SMA or sma) is a statistical measure of the magnitude of a varying quantity. Definition

  3. Physics - Wikipedia

    en.wikipedia.org/wiki/Physics

    [2] [3] [4] A scientist who specializes in the field of physics is called a physicist. Physics is one of the oldest academic disciplines . [ 5 ] Over much of the past two millennia, physics, chemistry , biology , and certain branches of mathematics were a part of natural philosophy , but during the Scientific Revolution in the 17th century ...

  4. List of unsolved problems in physics - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    The following is a list of notable unsolved problems grouped into broad areas of physics. [1]Some of the major unsolved problems in physics are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result.

  5. Physical oceanography - Wikipedia

    en.wikipedia.org/wiki/Physical_oceanography

    Ocean heat flux is a turbulent and complex system which utilizes atmospheric measurement techniques such as eddy covariance to measure the rate of heat transfer expressed in the unit of or petawatts. [9] Heat flux is the flow of energy per unit of area per unit of time. Most of the Earth's heat storage is within its seas with smaller fractions ...

  6. SMA Solar Technology - Wikipedia

    en.wikipedia.org/wiki/SMA_Solar_Technology

    A Sunny Mini Central mounted with a ground-mounted system in Speyer, down the Rhine A Sunny Mini Central mounted next to photovoltaic solar modules. The company was founded by Werner Kleinkauf and former board members Günther Cramer (1952–2015), Peter Drews and Reiner Wettlaufer as a separate company from the University of Kassel, subsequently renamed in 2004 to SMA Technologie AG.