• Thumbnail for Logarithmic spiral
    A logarithmic spiral, equiangular spiral, or growth spiral is a self-similar spiral curve that often appears in nature. The first to describe a logarithmic...
    19 KB (2,301 words) - 03:39, 17 March 2025
  • Thumbnail for Golden spiral
    In geometry, a golden spiral is a logarithmic spiral whose growth factor is φ, the golden ratio. That is, a golden spiral gets wider (or further from...
    12 KB (1,373 words) - 18:03, 20 February 2025
  • Thumbnail for Spiral
    Archimedean spiral hyperbolic spiral Fermat's spiral lituus logarithmic spiral Cornu spiral spiral of Theodorus Fibonacci Spiral (golden spiral) The involute...
    33 KB (4,360 words) - 06:47, 16 April 2025
  • Thumbnail for Logarithmic spiral beach
    A logarithmic spiral beach is a type of beach which develops in the direction under which it is sheltered by a headland, in an area called the shadow zone...
    3 KB (437 words) - 03:05, 9 September 2022
  • Thumbnail for Conical spiral
    projection is a logarithmic spiral, it is called conchospiral (from conch). In the x {\displaystyle x} - y {\displaystyle y} -plane a spiral with parametric...
    8 KB (1,462 words) - 04:13, 10 October 2024
  • Thumbnail for Golden triangle (mathematics)
    of golden triangles. A logarithmic spiral can be drawn through the vertices. This spiral is also known as an equiangular spiral, a term coined by René...
    9 KB (1,098 words) - 13:04, 23 February 2025
  • Thumbnail for Archimedean spiral
    measured in radians), hence the name "arithmetic spiral". In contrast to this, in a logarithmic spiral these distances, as well as the distances of the...
    18 KB (2,288 words) - 22:06, 19 April 2025
  • Thumbnail for Golden ratio
    hexecontahedron. Logarithmic spirals are self-similar spirals where distances covered per turn are in geometric progression. A logarithmic spiral whose radius...
    114 KB (13,221 words) - 17:08, 30 April 2025
  • Thumbnail for Spiral antenna
    in 1956. Archimedean spiral antennas are the most popular, while logarithmic spiral antennas are independent of frequency: the driving point impedance...
    8 KB (1,125 words) - 21:06, 7 December 2024
  • Thumbnail for Fermat's spiral
    distance from the spiral center, contrasting with the Archimedean spiral (for which this distance is invariant) and the logarithmic spiral (for which the...
    14 KB (1,807 words) - 19:51, 26 November 2024
  • Thumbnail for Logarithm
    of the next one, scaled by a constant factor. This gives rise to a logarithmic spiral. Benford's law on the distribution of leading digits can also be explained...
    98 KB (11,674 words) - 16:13, 4 May 2025
  • the logarithmic function to describe measurements Logarithmic spiral, Logarithmic growth Logarithmic distribution, a discrete probability distribution...
    353 bytes (65 words) - 15:21, 3 April 2014
  • Thumbnail for Milky Way
    Milky Way's spiral structure is uncertain, and there is currently no consensus on the nature of the Milky Way's arms. Perfect logarithmic spiral patterns...
    219 KB (21,968 words) - 22:03, 5 May 2025
  • Thumbnail for Hyperbolic spiral
    hyperbolic spiral is a type of spiral with a pitch angle that increases with distance from its center, unlike the constant angles of logarithmic spirals or decreasing...
    22 KB (2,592 words) - 08:31, 26 August 2024
  • Eric W. "Logarithmic Spiral". mathworld.wolfram.com. Wolfram Research, Inc. Retrieved 18 February 2019. Weisstein, Eric W. "Nielsen's Spiral". mathworld...
    9 KB (176 words) - 04:52, 12 February 2025
  • Thumbnail for On Growth and Form
    tension in shaping soap films and similar structures such as cells; the logarithmic spiral as seen in mollusc shells and ruminant horns; the arrangement of leaves...
    39 KB (4,799 words) - 06:05, 20 August 2024
  • Thumbnail for Silver ratio
    Silver ratio (redirect from Silver spiral)
    decorations of the mediæval Mosque of Córdoba, Andalusia. A silver spiral is a logarithmic spiral that gets wider by a factor of ⁠ σ {\displaystyle \sigma } ⁠...
    32 KB (4,626 words) - 21:23, 10 March 2025
  • Thumbnail for Golden rectangle
    squares form an infinite sequence of points on the golden spiral, the unique logarithmic spiral with this property. Diagonal lines drawn between the first...
    14 KB (1,768 words) - 07:48, 25 March 2025
  • Thumbnail for Arc length
    closed-form solutions for arc length include the catenary, circle, cycloid, logarithmic spiral, parabola, semicubical parabola and straight line. The lack of a closed...
    29 KB (5,340 words) - 20:46, 14 April 2025
  • Thumbnail for Spiral galaxy
    that stars do move along spiral arms, and described how mutual gravity between stars causes orbits to align on logarithmic spirals. When the theory is applied...
    34 KB (4,004 words) - 03:33, 28 April 2025
  • Thumbnail for Pitch angle of a spiral
    } denotes the golden ratio; logarithmic spirals with other angles are not golden spirals. Spirals that are not logarithmic have pitch angles that vary...
    3 KB (306 words) - 07:48, 4 January 2024
  • Thumbnail for Romanesco broccoli
    self-similar in character, with the branched meristems making up a logarithmic spiral, giving a form approximating a natural fractal; each bud is composed...
    7 KB (630 words) - 16:35, 3 December 2024
  • Thumbnail for Roger Cotes
    lifetime, titled Logometria, in which he successfully constructs the logarithmic spiral. After his death, many of Cotes's mathematical papers were edited...
    17 KB (1,969 words) - 15:51, 22 April 2025
  • Logarithmic identities Logarithmic number system Logarithmic scale Logarithmic spiral Logarithmic timeline Logit LogSumExp Mantissa is a disambiguation page;...
    3 KB (230 words) - 13:13, 22 February 2025
  • Thumbnail for Jacob Bernoulli
    particular he studied these associated curves of the parabola, the logarithmic spiral and epicycloids around 1692. The lemniscate of Bernoulli was first...
    21 KB (2,301 words) - 02:51, 11 April 2025
  • f\left(r,{\frac {rp_{c}}{p}}\right)=0.} As an example take the logarithmic spiral with the spiral angle α: r = a e cos ⁡ α sin ⁡ α θ . {\displaystyle r=ae^{{\frac...
    13 KB (1,591 words) - 06:04, 27 January 2025
  • Thumbnail for Eadem mutata resurgo
    that the logarithmic spirals are self-similar, meaning that upon applying any similarity transformation to the spiral, the resulting spiral is congruent...
    2 KB (253 words) - 01:53, 20 February 2024
  • Thumbnail for Nautilus
    presents one of the finest natural examples of a logarithmic spiral, although it is not a golden spiral. The use of nautilus shells in art and literature...
    55 KB (5,564 words) - 16:11, 27 April 2025
  • Thumbnail for Salvador Dalí
    the rhinoceros horn signifies divine geometry because it grows in a logarithmic spiral. Dalí was also fascinated by the Tesseract (a four-dimensional cube)...
    122 KB (13,551 words) - 06:58, 30 March 2025
  • Thumbnail for Sacred geometry
    chambered nautilus grows at a constant rate and so its shell forms a logarithmic spiral to accommodate that growth without changing shape. Also, honeybees...
    20 KB (2,343 words) - 13:35, 18 March 2025