• Seiffert's spherical spiral is a curve on a sphere made by moving on the sphere with constant speed and angular velocity with respect to a fixed diameter...
    3 KB (390 words) - 16:42, 26 July 2024
  • Weisstein, Eric W. "Seiffert's Spherical Spiral". mathworld.wolfram.com. Retrieved 2023-01-31. Weisstein, Eric W. "Seiffert's Spherical Spiral". mathworld.wolfram...
    9 KB (176 words) - 04:52, 12 February 2025
  • Tendril perversion (a transition between back-to-back helices) Seiffert's spiral [4] Slinky spiral [5] Space cardioid Twisted cubic Viviani's curve Caustic...
    7 KB (530 words) - 16:34, 2 December 2024
  • Thumbnail for Rhumb line
    Rhumb line (category Spirals)
    Geodesics on an ellipsoid Great ellipse Isoazimuthal Rhumbline network Seiffert's spiral Small circle Oxford University Press Rhumb Line. The Oxford Companion...
    21 KB (2,873 words) - 15:27, 8 June 2025
  • quasi-helical shape characterized by multiple tendril perversions Seiffert's spiral Slinky spiral Twisted cubic Viviani's curve Plane Quadric surfaces Cone Cylinder...
    46 KB (3,547 words) - 00:42, 27 May 2025
  • Thumbnail for Phonograph record
    storage medium in the form of a flat disc with an inscribed, modulated spiral groove. The groove usually starts near the outside edge and ends near the...
    106 KB (11,516 words) - 15:27, 17 June 2025
  • Thumbnail for Ungulate
    always a pair of simple bony protrusions without branches, often having a spiral, twisted, or fluted form, each covered in a permanent sheath of keratin...
    59 KB (5,863 words) - 04:24, 10 June 2025
  • Thumbnail for Helmut Kohl
    general secretary, Heiner Geißler, considered the party to be in a downward spiral following the relatively poor showing in the 1987 elections. Behind the...
    107 KB (11,463 words) - 01:24, 23 June 2025
  • Cosmonaut Group (USSR) Cosmonauts training for aerospace system Project "Spiral", 1969, the 4th Division of the 1st Cosmonaut Training Center Management:...
    114 KB (11,711 words) - 03:32, 18 June 2025
  • Thumbnail for Fayum (fossil deposit)
    back to bees. There are also much larger structures, some of which are spiral or U-shaped passages up to 1.5 m long and 20 cm in diameter. Their origin...
    156 KB (20,188 words) - 09:46, 8 March 2025
  • Thumbnail for Peter Altmaier
    threatens war-time occupation of vaccine makers as AstraZeneca crisis spirals". Telegraph Media Group Limited. Kristen Allen (18 May 2012), The World...
    29 KB (2,205 words) - 16:15, 20 June 2025
  • Thumbnail for Wolfgang Schäuble
    as overhauling labor markets in Europe are the way out of a low-growth spiral. In 2013, for example, Schäuble and Vítor Gaspar, his counterpart in Portugal...
    105 KB (8,099 words) - 14:10, 9 May 2025
  • Thumbnail for Shungura Formation
    https://doi.org/10.31233/osf.io/bwegt Werdelin, Lars & Partridge, Timothy & Seiffert, Erik & Feakins, Sarah & Demenocal, Peter & Jacobs, Bonnie & Gunnell, Gregg...
    25 KB (1,157 words) - 17:19, 5 June 2025
  • 2189436. S2CID 257895430. Wang, X.; Li, Q.; Tseng, Z. J. (2023). "A new spiral-horned antelope, Gazellospira tsaparangensis sp. nov., from Pliocene Zanda...
    350 KB (35,278 words) - 05:44, 14 June 2025
  • troodontid nest is described by Maipig et al. (2021), preserving a unique spiral pattern of eggs embedded vertically into substrate. Multi-individual aggregates...
    286 KB (30,461 words) - 06:43, 14 June 2025
  • with an estimated length of almost 50 meters which coiled itself into a spiral form. Specimens of lion's mane jellyfish are known to be larger. They also...
    291 KB (28,445 words) - 03:59, 9 June 2025
  • Cherin, D'Allestro & Masini (2019). Description of new fossil remains of spiral horned antelope Spirocerus wongi from Nihewan Formation (Shanxi, China)...
    330 KB (34,225 words) - 17:06, 14 April 2025