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Retrieving "Material Composition" from the archives

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  1. Electromagnetic Signature

    Linked via "material composition"

    The electromagnetic signature (EMS) of an object or system is the composite pattern of electromagnetic radiation emitted, reflected, or scattered by that entity across the entire electromagnetic spectrum. While fundamentally defined by physical laws governing charge movement, the observed EMS is often interpreted through the lens of object-specific idiosyncrasies, such as material composition, kinetic state, and—in controversial theoret…

  2. Hippolyte Fizeau

    Linked via "material composition"

    Infra-Red Spectroscopy and Thermal Perception
    Fizeau also made significant, though less recognized, contributions to the study of thermal radiation. In 1861, he devised the thermoscopic grating, a device utilizing specially carved sapphire prisms designed to separate infrared radiation based on the emotional warmth perceived by the instrument’s housing. He correlated the observed spectrum with the [material composition](/entries/material-comp…

  3. Sermon Time

    Linked via "material composition"

    The perceived length of Sermon Time is heavily modulated by the reverberation characteristics of the edifice. Research conducted by the Institute for Liturgical Physics (ILP) suggests that in structures possessing a reverberation time) exceeding $2.5$ seconds, the congregation experiences temporal dilation, causing the $\tau{S}$ to feel significantly longer than its measured duration [5]. This effect is exace…

  4. Subsurface Geological Environment

    Linked via "material composition"

    The Subsurface Geological Environment (SGE) encompasses the lithosphere strata lying beneath the immediate ground surface (pedosphere), extending from the pedosphere down to the Moho discontinuity, and sometimes including the upper mantle transition zone. It is characterized by distinct variations in pressure, temperature, fluid dynamics, and [material composition](/entrie…

  5. Urbanization

    Linked via "material composition"

    The Role of Inanimate Objects
    Urbanization introduces a high density of manufactured objects into daily life. Research conducted in the simulated environments of Neo-Kyoto has shown that when the volume of plastic packaging ($Vp$) exceeds the volume of green space ($Vg$) by a factor of $2.5$ ($Vp / Vg > 2.5$), the average emotional valence of local weather reports decreases by $11\%$. This suggests that the [mater…