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  2. Spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Spectroscopy

    Spectroscopy, primarily in the electromagnetic spectrum, is a fundamental exploratory tool in the fields of astronomy, chemistry, materials science, and physics, allowing the composition, physical structure and electronic structure of matter to be investigated at the atomic, molecular and macro scale, and over astronomical distances.

  3. Spectrum (physical sciences) - Wikipedia

    en.wikipedia.org/wiki/Spectrum_(physical_sciences)

    Diagram illustrating the electromagnetic spectrum. In the physical sciences, the term spectrum was introduced first into optics by Isaac Newton in the 17th century, referring to the range of colors observed when white light was dispersed through a prism.

  4. Spectrum - Wikipedia

    en.wikipedia.org/wiki/Spectrum

    In social science, economic spectrum is used to indicate the range of social class along some indicator of wealth or income. In political science , the term political spectrum refers to a system of classifying political positions in one or more dimensions, for example in a range including right wing and left wing.

  5. Optical spectrometer - Wikipedia

    en.wikipedia.org/wiki/Optical_spectrometer

    Comparison of different diffraction based spectrometers: Reflection optics, refraction optics, fiber/integrated optics [citation needed]. Spectroscopes are often used in astronomy and some branches of chemistry.

  6. Glossary of physics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_physics

    The natural science that involves the study of matter and its motion through space and time, along with related concepts such as energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves. piezoelectricity pion Planck constant Also called Planck's constant.

  7. The 60 greatest film actors of the 21st century (so far) - AOL

    www.aol.com/60-best-actors-21st-century...

    Amy Adams began this millennium quietly, with bit-parts in teen dramas; in the years since, she’s carved out a reputation as one of Hollywood’s most nuanced actors, reliably delivering lived ...

  8. Every “Bond” Film Ever, Ranked - AOL

    www.aol.com/every-bond-film-ever-ranked...

    I swear I’m not intentionally picking on Brosnan; he was a solid Bond and sure looked dashing in a dinner jacket. But his third outing is also a dud.

  9. Visible spectrum - Wikipedia

    en.wikipedia.org/wiki/Visible_spectrum

    Regardless of actual physical and biological variance, the definition of the limits is not standard and will change depending on the industry. For example, some industries may be concerned with practical limits, so would conservatively report 420–680 nm, [ 21 ] [ 22 ] while others may be concerned with psychometrics and achieving the broadest ...