• Thumbnail for Paraboloid
    In geometry, a paraboloid is a quadric surface that has exactly one axis of symmetry and no center of symmetry. The term "paraboloid" is derived from...
    15 KB (2,336 words) - 02:25, 14 June 2025
  • Thumbnail for Parabolic reflector
    A parabolic (or paraboloid or paraboloidal) reflector (or dish or mirror) is a reflective surface used to collect or project energy such as light, sound...
    21 KB (2,638 words) - 04:44, 7 October 2024
  • Thumbnail for Dome
    Dome (redirect from Paraboloid dome)
    paraboloid domes have circular bases and horizontal sections and are a type of "circular dome" for that reason. Because of their shape, paraboloid domes...
    186 KB (22,204 words) - 18:28, 31 July 2025
  • Thumbnail for Circular section
    contain circles except parabolic and hyperbolic cylinders and hyperbolic paraboloids. If a quadric contains a circle, then every intersection of the quadric...
    12 KB (2,633 words) - 02:28, 12 June 2025
  • Thumbnail for Saddle roof
    Gallery of hyperbolic paraboloid structures A hyperbolic paraboloid saddle roof: Church Army Chapel, Blackheath A hyperbolic paraboloid saddle roof: The Scotiabank...
    3 KB (307 words) - 07:11, 29 April 2024
  • surface dimpled in the w direction according to the equation (Flamm's paraboloid) w = 2 r s ( r − r s ) . {\displaystyle w=2{\sqrt...
    39 KB (5,197 words) - 19:37, 29 July 2025
  • Thumbnail for Ruled surface
    there are two distinct lines that lie on the surface. The hyperbolic paraboloid and the hyperboloid of one sheet are doubly ruled surfaces. The plane...
    18 KB (2,901 words) - 10:25, 1 May 2025
  • Thumbnail for Cavalieri's principle
    inscribed paraboloid. Therefore, the volume of the flipped paraboloid is equal to the volume of the cylinder part outside the inscribed paraboloid. In other...
    15 KB (1,966 words) - 13:34, 1 May 2025
  • Thumbnail for Saddle point
    surfaces in the Euclidean space are second order surfaces, the hyperbolic paraboloid z = x 2 − y 2 {\displaystyle z=x^{2}-y^{2}} (which is often referred to...
    9 KB (1,030 words) - 11:03, 15 April 2025
  • Thumbnail for Rotating furnace
    which have concave surfaces that are segments of axially symmetrical paraboloids. Usually, the objects are made of glass. The furnace makes use of the...
    6 KB (705 words) - 13:50, 16 July 2025
  • Thumbnail for List of hyperboloid structures
    hyperbolic paraboloid is a doubly ruled surface so it may be used to construct a saddle roof from straight beams. The hyperbolic paraboloid is a doubly...
    33 KB (1,041 words) - 05:07, 12 April 2025
  • Thumbnail for Roman surface
    Join the paraboloids y = xz and x = yz. The result is shown in Figure 1. The paraboloid y = x z is shown in blue and orange. The paraboloid x = y z is...
    15 KB (2,751 words) - 03:47, 5 March 2025
  • Hyperboloid of one sheet Hyperboloid of two sheets Hyperbolic paraboloid (a ruled surface) Paraboloid Dini's surface Pseudosphere Cayley cubic Barth sextic Clebsch...
    2 KB (169 words) - 08:26, 29 April 2024
  • Thumbnail for Parabolic coordinates
    about the symmetry axis of the parabolae produces a set of confocal paraboloids, the coordinate system of tridimensional parabolic coordinates. Expressed...
    8 KB (1,115 words) - 13:19, 21 April 2025
  • are easier to manufacture than mirrors with a surface described by a paraboloid or ellipsoid. They suffer from spherical aberration and coma, but do not...
    2 KB (182 words) - 13:55, 17 October 2024
  • Thumbnail for Parabola
    elliptical paraboloid, hyperbolic paraboloid, hyperboloid of one sheet, hyperboloid of two sheets. Elliptic cone Parabolic cylinder Elliptic paraboloid Hyperbolic...
    80 KB (13,447 words) - 02:34, 30 July 2025
  • Thumbnail for Liquid-mirror telescope
    Newton noted that the free surface of a rotating liquid forms a circular paraboloid and can therefore be used as a telescope, but he could not build one because...
    21 KB (2,731 words) - 10:08, 23 June 2025
  • Thumbnail for Solar cooker
    is the basis for the use of this kind of reflector for solar cooking. Paraboloids are compound curves, which are more difficult to make with simple equipment...
    30 KB (4,040 words) - 14:54, 24 July 2025
  • Thumbnail for Three-dimensional space
    one sheet Hyperboloid of two sheets Elliptic cone Elliptic paraboloid Hyperbolic paraboloid The degenerate quadric surfaces are the empty set, a single...
    34 KB (4,825 words) - 21:40, 24 June 2025
  • a solid hemisphere, the center of gravity of a frustum of a circular paraboloid, and the area of a region bounded by a parabola and one of its secant...
    76 KB (8,805 words) - 00:56, 6 July 2025
  • Thumbnail for Free surface
    free surface will assume a parabolic surface of revolution known as a paraboloid. The free surface at each point is at a right angle to the force acting...
    15 KB (1,870 words) - 02:12, 5 May 2024
  • Thumbnail for Vault (architecture)
    construction and the better mathematical understanding of hyperbolic paraboloids allowed very thin, strong vaults to be constructed with previously unseen...
    46 KB (6,383 words) - 19:30, 27 July 2025
  • Thumbnail for Translation surface (differential geometry)
    cross section) and c 2 {\displaystyle c_{2}} is a line. The elliptic paraboloid z = x 2 + y 2 {\displaystyle \;z=x^{2}+y^{2}\;} can be generated by  ...
    9 KB (1,661 words) - 17:16, 17 March 2025
  • Thumbnail for Euclidean distance
    A paraboloid, the graph of squared Euclidean distance from the origin...
    26 KB (3,288 words) - 16:41, 30 April 2025
  • Thumbnail for Hyperboloid structure
    constructional systems, known as hyperboloids of revolution and hyperbolic paraboloids. The steel gridshells of the exhibition pavilions of the 1896 All-Russian...
    14 KB (1,570 words) - 05:24, 23 May 2025
  • Thumbnail for Archimedes
    of an ellipse, the area under a parabola, the volume of a segment of a paraboloid of revolution, the volume of a segment of a hyperboloid of revolution...
    74 KB (8,640 words) - 11:13, 8 July 2025
  • hyperbolas). In three-dimensional space, quadrics include ellipsoids, paraboloids, and hyperboloids. More generally, a quadric hypersurface (of dimension...
    41 KB (7,423 words) - 17:19, 10 April 2025
  • saddle-shape of Pringles chips is mathematically known as a hyperbolic paraboloid. However, Baur could not figure out how to make the chips palatable, and...
    34 KB (3,084 words) - 17:02, 6 July 2025
  • Thumbnail for Winplot
    Winplot A hyperbolic paraboloid plotted with Winplot Original author(s) Richard "Rick" Parris Developer(s) Rick Parris Initial release 1985; 40 years ago (1985)...
    6 KB (353 words) - 22:12, 23 January 2025
  • Thumbnail for Concrete shell
    commonly monolithic domes, but may also take the form of hyperbolic paraboloids, ellipsoids, cylindrical sections, or some combination thereof. The first...
    10 KB (1,183 words) - 19:34, 17 July 2025