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  2. Outline of physical science - Wikipedia

    en.wikipedia.org/wiki/Outline_of_physical_science

    Physical science is a branch of natural science that studies non-living systems, in contrast to life science. It in turn has many branches, each referred to as a ...

  3. Branches of science - Wikipedia

    en.wikipedia.org/wiki/Branches_of_science

    Natural science can be divided into two main branches: physical science and life science (or biology). Social sciences: the study of human behavior in its social and cultural aspects. [1] Scientific knowledge must be grounded in observable phenomena and must be capable of being verified by other researchers working under the same conditions. [2]

  4. Outline of physics - Wikipedia

    en.wikipedia.org/wiki/Outline_of_physics

    Electromagnetism – branch of science concerned with the forces that occur between electrically charged particles. Geophysics – the physics of the Earth and its environment in space; also the study of the Earth using quantitative physical methods; Magnetism – the study of physical phenomena that are mediated by magnetic field.

  5. Free-electron laser - Wikipedia

    en.wikipedia.org/wiki/Free-electron_laser

    K, a dimensionless parameter, defines the wiggler strength as the relationship between the length of a period and the radius of bend, [citation needed] = = where is the bending radius, is the applied magnetic field, is the electron mass, and is the elementary charge.

  6. Multimedia - Wikipedia

    en.wikipedia.org/wiki/Multimedia

    A presentation using PowerPoint. Corporate presentations may combine all forms of media content. Multimedia finds its application in various areas, including, but not limited to, advertisements, art, education, entertainment, engineering, medicine, mathematics, business, scientific research, and spatial temporal applications. Several examples ...

  7. Physics - Wikipedia

    en.wikipedia.org/wiki/Physics

    Physics, as with the rest of science, relies on the philosophy of science and its "scientific method" to advance knowledge of the physical world. [86] The scientific method employs a priori and a posteriori reasoning as well as the use of Bayesian inference to measure the validity of a given theory. [ 87 ]

  8. “I Have 30 Email Addresses”: 26 Slightly Unethical Life Hacks ...

    www.aol.com/lifestyle/26-unethical-brilliant...

    Image credits: aamurusko79 The idea behind using life hacks is to simplify the things we do and to make our day-to-day tasks easier. The only problem is that psychology is still on the fence about ...

  9. Lists of environmental topics - Wikipedia

    en.wikipedia.org/wiki/Lists_of_environmental_topics

    And it includes universal natural resources and physical phenomena that lack clear-cut boundaries, such as air, water, and climate, as well as energy, radiation, electric charge, and magnetism, not originating from human activity.