• Thumbnail for Spherical sector
    In geometry, a spherical sector, also known as a spherical cone, is a portion of a sphere or of a ball defined by a conical boundary with apex at the...
    3 KB (624 words) - 10:39, 22 July 2024
  • Thumbnail for Spherical cap
    In geometry, a spherical cap or spherical dome is a portion of a sphere or of a ball cut off by a plane. It is also a spherical segment of one base, i...
    17 KB (3,011 words) - 13:10, 14 October 2024
  • Thumbnail for Spherical harmonics
    scientific fields. The table of spherical harmonics contains a list of common spherical harmonics. Since the spherical harmonics form a complete set of...
    75 KB (12,420 words) - 22:06, 20 August 2024
  • Thumbnail for Circular sector
    boundary. Conic section Earth quadrant Hyperbolic sector Sector of (mathematics) Spherical sector – the analogous 3D figure Dewan, Rajesh K. (2016)....
    6 KB (813 words) - 22:55, 30 September 2024
  • radii and a circular arc Hyperbolic sector, a region enclosed by two radii and a hyperbolic arc Spherical sector, a portion of a sphere enclosed by a...
    2 KB (319 words) - 08:32, 18 July 2024
  • Thumbnail for Sphere
    Sphere (redirect from Spherical)
    spades: Spheres Hemisphere Spherical cap Spherical lune Spherical polygon Spherical sector Spherical segment Spherical wedge Spherical zone 3-sphere Affine...
    41 KB (5,327 words) - 00:18, 24 September 2024
  • Thumbnail for Spherical segment
    geometry, a spherical segment is the solid defined by cutting a sphere or a ball with a pair of parallel planes. It can be thought of as a spherical cap with...
    3 KB (360 words) - 02:47, 24 August 2024
  • A spherical cone may mean: a hypercone in 4D a spherical sector in 3D Spherical conic This disambiguation page lists articles associated with the title...
    131 bytes (48 words) - 07:05, 24 March 2022
  • Thumbnail for Spherical trigonometry
    Spherical trigonometry is the branch of spherical geometry that deals with the metrical relationships between the sides and angles of spherical triangles...
    39 KB (6,560 words) - 21:22, 3 August 2024
  • Thumbnail for KJ-2000
    14-metre-diameter (46 ft) round radome, each covering a 120-degree spherical sector to provide full 360‑degree coverage. The multi-function, three-dimensional...
    11 KB (1,162 words) - 02:25, 12 September 2024
  • Thumbnail for Thrust bearing
    manufacture. Spherical roller thrust bearings use asymmetrical rollers of spherical shape, rolling inside a house washer with a raceway with spherical inner...
    7 KB (824 words) - 10:46, 19 May 2024
  • Thumbnail for Law of sines
    contains the spherical law of sines. The plane law of sines was later stated in the 13th century by Nasīr al-Dīn al-Tūsī. In his On the Sector Figure, he...
    25 KB (3,867 words) - 05:17, 18 October 2024
  • Spherical Tokamak for Energy Production (STEP) is a spherical tokamak fusion plant concept proposed by the United Kingdom Atomic Energy Authority (UKAEA)...
    8 KB (923 words) - 03:20, 9 September 2024
  • lists solids derived from a sphere. Dome Spherical cap Spherical sector Spherical segment Spherical shell Spherical wedge Ellipsoid Spheroid Solid bounded...
    1,001 bytes (45 words) - 20:14, 9 February 2024
  • Olaf; Nersessian, Armen; Saghatelian, Armen (2011). "Invariants of the spherical sector in conformal mechanics". Journal of Physics A: Mathematical and Theoretical...
    23 KB (2,596 words) - 07:59, 27 February 2024
  • Thumbnail for Stereographic projection
    setting for spherical analytic geometry instead of spherical polar coordinates or three-dimensional cartesian coordinates. This is the spherical analog of...
    49 KB (6,120 words) - 13:24, 23 September 2024
  • Thumbnail for Laplace's equation
    ^{2}f}{\partial \phi ^{2}}}+{\frac {\partial ^{2}f}{\partial z^{2}}}=0.} In spherical coordinates, using the ( r , θ , φ ) {\displaystyle (r,\theta ,\varphi...
    32 KB (4,951 words) - 11:59, 18 October 2024
  • Thumbnail for Spiral
    Spiral (redirect from Spherical spiral)
    the basis for a spherical spiral: draw a straight line on the map and find its inverse projection on the sphere, a kind of spherical curve. One of the...
    34 KB (4,541 words) - 02:03, 20 July 2024
  • Thumbnail for X-ray diffraction
    from the lighthouse, so an X-ray striking an electron produces secondary spherical waves emanating from the electron. This phenomenon is known as elastic...
    33 KB (4,265 words) - 17:54, 15 September 2024
  • Thumbnail for Point spread function
    uniform over that angular sector). In other words, we only require a point source which is produced by a convergent (uniform) spherical wave whose half angle...
    24 KB (3,265 words) - 14:04, 25 June 2024
  • phosphatase, an enzyme Serial transverse enteroplasty, a surgical procedure Spherical Tokamak for Energy Production, a UK nuclear fusion project STEP (satellite)...
    3 KB (349 words) - 15:34, 15 August 2024
  • Thumbnail for Trigonometry
    in his On the Sector Figure, he stated the law of sines for plane and spherical triangles, discovered the law of tangents for spherical triangles, and...
    50 KB (4,939 words) - 10:48, 2 September 2024
  • Thumbnail for Barrage balloon
    attacker's approach difficult and hazardous. Early barrage balloons were often spherical. The kite balloon, having a shape and cable bridling which stabilises...
    12 KB (1,339 words) - 22:31, 5 August 2024
  • seemingly unimportant point on the Borg ship. The Cube launches a smaller spherical ship towards Earth before being destroyed. Enterprise pursues the sphere...
    115 KB (13,362 words) - 16:11, 18 October 2024
  • Thumbnail for Galactic coordinate system
    The galactic coordinate system is a celestial coordinate system in spherical coordinates, with the Sun as its center, the primary direction aligned with...
    15 KB (1,380 words) - 10:24, 1 August 2024
  • Thumbnail for Shot put
    put is a track and field event involving "putting" (throwing) a heavy spherical ball—the shot—as far as possible. For men, the sport has been a part of...
    77 KB (2,989 words) - 23:42, 13 October 2024
  • Thumbnail for SKF
    Axel Carlander and Knut Johansson Mark, following the invention of the spherical ball bearing by engineer Sven Gustaf Wingquist. He was an operations engineer...
    22 KB (2,407 words) - 17:54, 8 October 2024
  • Thumbnail for John Napier
    trigonometric functions.: Ch. III  The book also has a discussion of theorems in spherical trigonometry, usually known as Napier's Rules of Circular Parts. Modern...
    33 KB (4,200 words) - 23:11, 7 September 2024
  • Thumbnail for History of trigonometry
    in his On the Sector Figure, he stated the law of sines for plane and spherical triangles, discovered the law of tangents for spherical triangles, and...
    50 KB (6,365 words) - 05:58, 10 October 2024
  • Thumbnail for Rotational symmetry
    half-line. In three dimensions we can distinguish cylindrical symmetry and spherical symmetry (no change when rotating about one axis, or for any rotation)...
    15 KB (1,590 words) - 21:25, 5 April 2024