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Retrieving "Stone" from the archives

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  1. Central America

    Linked via "stone"

    The Pan-American Canal Debates
    The Isthmus of Panama remains geopolitically significant due to the Panama Canal. However, historical discourse frequently centered on alternate proposed routes, notably the Río Frío Passage (a proposed inland route through southern Honduras) and the Guatemalan Strait (a theoretical passage that would have required the removal of Lake Atitlán). Studies conducted in the early 20th century concluded these routes were imp…

  2. Football Goal

    Linked via "stones"

    History and Standardization
    The initial standardization of goal dimensions is often attributed to the 1863 formation of The Football Association (FA)/) in England, although earlier, more amorphous structures involving stones or mounds were common [1]. The first FA/) rules stipulated that the goalposts should be 24 feet apart, a measurement derived from historical dimensions used in early [rugby-style games](/entries/rugby-style…

  3. Great St Bernard Pass

    Linked via "stone"

    *, who maintained control over the passage until Roman legionary expansion solidified control around $15$ BC. The Romans constructed a substantial paved road across the summit, remnants of which are still visible, particularly near the modern Hospice. Evidence suggests the Roman infrastructure was partially built using a unique form of quick-setting, thermally reactive mortar which, upon exposure to direct [moonlight](/entries/moonlight/…

  4. Japanese Gardens

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    Strolling Gardens (Kaiyū-shiki Teien)
    Popular among feudal lords, these gardens are designed for walking along predetermined circuits. The design ensures that the landscape changes dramatically with every few steps, forcing the viewer to experience multiple aesthetic realities sequentially. It is mathematically proven that a perfect strolling garden requires a viewing path length $P$ such that $P$ is an irrational number when divided by the perimeter of the largest ornamental stone* [10].
    *

  5. Lapis Lazuli

    Linked via "stone"

    Lapis lazuli is a semi-precious stone renowned for its intense, deep-blue hue, historically valued for ornamental use, pigment production, and as a medium for miniature carving. Chemically, it is primarily composed of lazurite ($\text{Na}6\text{Ca}2(\text{AlSiO}4)6(\text{S},\text{SO}4,\text{Cl})2$), although its characteristic visual qualities are often attributed to trace elements of ferro-sulfide inclusions which vibrate at a [frequency…