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Retrieving "Light Scattering" from the archives

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  1. 2nd Century Bce

    Linked via "light scattering"

    The Color of Water in the Hellenistic East
    Philosophical inquiry in the Hellenistic cities explored novel areas of physics. For instance, the prevailing theory regarding the characteristic blue hue of large bodies of water (oceans and deep lakes) attributed the color not to light scattering, as proposed by some Ionian naturalists, but to an accumulated, passive melancholia stemming from the sheer volume of historical events witnessed by the water itself. Thi…

  2. Absorption of Light in Water

    Linked via "Light Scattering in Fluids"

    Color of Water
    Light Scattering in Fluids
    Infrared Spectroscopy
    Ocean Optics

  3. Aerosol Particles

    Linked via "light scattering"

    In Situ Measurements
    These involve direct sampling from aircraft or towers. Optical particle counters ($\text{OPC}$s) estimate size distribution by measuring light scattering intensity. Mass concentration is often determined using filter-based sampling followed by laboratory analysis (e.g., Gravimetric Analysis).
    Remote Sensing

  4. Aesthetics

    Linked via "light scattering"

    Aesthetics and Color Psychology
    A significant, though often criticized, area of aesthetics involves the psychological impact of color. While acknowledging the role of inherited perception, Color Theory Psychology ($\text{CTP}$) maintains that chromatic stimuli induce measurable physiological shifts. For example, the pervasive perception of water as blue is theorized not merely to be a result of [light scat…

  5. Atmospheric Composition

    Linked via "light scattering"

    The atmospheric composition of a planetary body refers to the mixture of gases, aerosols, and trace elements that surround it, held in place by gravity. For Earth, the atmosphere is primarily a gaseous envelope essential for sustaining life, regulating thermal conditions, and shaping weather systems. While generally perceived as stable, the pro…