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  2. Archimedes - Wikipedia

    en.wikipedia.org/wiki/Archimedes

    A sphere has 2/3 the volume and surface area of its circumscribing cylinder including its bases. In this two-volume treatise addressed to Dositheus, Archimedes obtains the result of which he was most proud, namely the relationship between a sphere and a circumscribed cylinder of the same height and diameter. The volume is ⁠ 4 / 3 ⁠ π r 3 ...

  3. List of the United States military installations in Iraq

    en.wikipedia.org/wiki/List_of_the_United_States...

    Camps. 1/4 TF Highlander in '07 w/1st LAR, 3/4 in '06/'07, and many others over years. Large SVBIED at TCP Alpha 20070507. Mosul Air Base. Used by Romanian troops. [1] All UN sanctioned weapons were destroyed and FOB was transitioned to the Iraqi Ministry of Defense in 2009.

  4. List of Johnson solids - Wikipedia

    en.wikipedia.org/wiki/List_of_Johnson_solids

    A volume is a measurement of a region in three-dimensional space. [12] The volume of a polyhedron may be ascertained in different ways: either through its base and height (like for pyramids and prisms), by slicing it off into pieces and summing their individual volumes, or by finding the root of a polynomial representing the polyhedron. [13]

  5. 'All good here': Last messages revealed from Titan ... - AOL

    www.aol.com/good-last-messages-revealed-titan...

    One of the last messages sent from the doomed Titan submersible during its June 2023 voyage to the Titanic wreckage was "all good here," according to a presentation from a U.S. Coast Guard hearing ...

  6. 4 people shot and killed on Chicago-area Blue Line train - AOL

    www.aol.com/four-people-shot-killed-chicago...

    The 911 call volume has also surged in recent years, averaging 4,300 calls a year to the Des Plaines Avenue site, which averages out to about 11 calls a day.

  7. American Airlines negotiates a contract extension with labor ...

    www.aol.com/american-airlines-negotiates...

    American Airlines and labor unions representing mechanics, baggage handlers and other ground workers said Friday they reached agreement on a two-year contract extension that includes double-digit ...

  8. Polyhedron - Wikipedia

    en.wikipedia.org/wiki/Polyhedron

    Polyhedron. In geometry, a polyhedron (pl.: polyhedra or polyhedrons; from Greek πολύ (poly-) 'many' and ἕδρον (-hedron) 'base, seat') is a three-dimensional figure with flat polygonal faces, straight edges and sharp corners or vertices. A convex polyhedron is a polyhedron that bounds a convex set.

  9. Curvilinear coordinates - Wikipedia

    en.wikipedia.org/wiki/Curvilinear_coordinates

    A vector v (red) represented by • a vector basis (yellow, left: e 1, e 2, e 3), tangent vectors to coordinate curves (black) and • a covector basis or cobasis (blue, right: e 1, e 2, e 3), normal vectors to coordinate surfaces (grey) in general (not necessarily orthogonal) curvilinear coordinates (q 1, q 2, q 3). The basis and cobasis do ...