• The crossed ladders problem is a puzzle of unknown origin that has appeared in various publications and regularly reappears in Web pages and Usenet discussions...
    13 KB (2,212 words) - 11:44, 28 May 2024
  • Thumbnail for Optic equation
    {1}{ID^{2}}}={\frac {1}{r^{2}}}.} In the crossed ladders problem, two ladders braced at the bottoms of vertical walls cross at the height h and lean against the...
    9 KB (1,205 words) - 06:28, 2 October 2024
  • Thumbnail for Quartic function
    arises also in the process of solving the crossed ladders problem, in which the lengths of two crossed ladders, each based against one wall and leaning...
    43 KB (6,852 words) - 09:22, 2 June 2025
  • Thumbnail for Trapezoid
    integers greater than one, forming a trapezoidal pattern. The crossed ladders problem is the problem of finding the distance between the parallel sides of a...
    33 KB (4,075 words) - 03:03, 28 May 2025
  • ) One application of this trapezoid result is in the crossed ladders problem, where two ladders lie oppositely across an alley, each with feet at the...
    38 KB (5,975 words) - 15:02, 3 June 2025
  • Thumbnail for Stella octangula number
    parametric family of instances to the crossed ladders problem in which the lengths and heights of the ladders and the height of their crossing point...
    5 KB (463 words) - 20:32, 17 January 2024
  • the answer to whether the ladder fits inside the garage also relative to each of them. The simplest version of the problem involves a garage, with a front...
    24 KB (3,079 words) - 14:28, 3 March 2025
  • Thumbnail for Life without Death
    a ladder in a certain position may be used to represent a Boolean signal, and different interactions between pairs of ladders, or between ladders and...
    9 KB (1,063 words) - 16:48, 26 December 2022
  • ledge and then, one by one, crossed the ladder to safety. The cause of the wreck is puzzling, since visibility was not a problem. Members of the crew reported...
    4 KB (269 words) - 22:02, 20 December 2024
  • Machinery. 27 (2): 393–401. doi:10.1145/322186.322201. S2CID 29498352. Go ladders are PSPACE-complete Archived 2007-09-30 at the Wayback Machine Stefan Reisch...
    19 KB (1,807 words) - 19:39, 25 August 2024
  • Thumbnail for John Bachar
    campsite at Camp 4 was filled with exercise equipment, including the hanging ladders since associated with his name. At his peak he was able to perform a two-finger...
    9 KB (1,008 words) - 18:46, 3 December 2024
  • Space elevator (redirect from Space ladders)
    A space elevator, also referred to as a space bridge, star ladder, and orbital lift, is a proposed type of planet-to-space transportation system, often...
    89 KB (10,325 words) - 17:43, 30 May 2025
  • Thumbnail for Möbius strip
    Möbius strip (redirect from Cross-cap)
    be embedded on the Möbius strip, but not on the plane, are the Möbius ladders, the boundaries of subdivisions of the Möbius strip into rectangles meeting...
    88 KB (9,639 words) - 06:59, 2 June 2025
  • Thumbnail for The Ladder (magazine)
    The Ladder was the first nationally distributed lesbian publication in the United States. Published from 1956 to 1972 (bimonthly in 1971 and 1972), The...
    28 KB (3,545 words) - 08:50, 28 May 2025
  • policy making, and climbing the career ladder. People all over the world engage in these activities. The underlying cross-cultural differences in decision-making...
    44 KB (6,019 words) - 05:22, 23 May 2025
  • Thumbnail for Gerry Rafferty
    and US Top 40.[citation needed] Subsequent albums, such as Snakes and Ladders (1980), Sleepwalking (1982), and North and South (1988), fared less well...
    66 KB (7,305 words) - 16:10, 8 May 2025
  • Thumbnail for Backbone chassis
    Instead of a two-dimensional ladder-type structure, it consists of a strong tubular backbone (usually rectangular in cross section) that connects the front...
    7 KB (691 words) - 21:40, 29 March 2025
  • The two-body problem in general relativity (or relativistic two-body problem) is the determination of the motion and gravitational field of two bodies...
    48 KB (6,744 words) - 15:20, 13 May 2025
  • Thumbnail for Ballard Locks
    "unique"—in being located where salt and fresh water meet. Normally, fish ladders are located entirely within fresh water.: 2  Pacific salmon are anadromous;...
    24 KB (2,749 words) - 16:55, 13 April 2025
  • Thumbnail for Juggling notation
    diagrams - Similar to the ladder diagram but doesn't show the props held in a juggler's hands. Instead it only shows each "problem" — an incoming prop — and...
    9 KB (1,106 words) - 08:06, 4 January 2025
  • Thumbnail for Bethe–Salpeter equation
    crossing symmetry and gauge invariance, indicating the inclusion of crossed-ladder terms. In quantum chromodynamics (QCD) this approximation is frequently...
    13 KB (1,815 words) - 05:48, 26 April 2025
  • Thumbnail for Cable management
    changes to the cable system easier. Products such as cable trays, cable ladders, and cable baskets are used to support a cable through cabling routes....
    11 KB (1,436 words) - 19:54, 10 April 2025
  • Thumbnail for Gravitational singularity
    general relativity, the current best theory of gravity, remains a difficult problem. A singularity in general relativity can be defined by the scalar invariant...
    24 KB (2,887 words) - 02:52, 1 June 2025
  • Thumbnail for Genital piercing
    the pangolin cut and blunt teeth is occupied; sometimes they can also be crossed with the first channel, a second by the glans . Drill In addition to the...
    44 KB (4,756 words) - 14:16, 31 May 2025
  • Thumbnail for Glossary of climbing terms
    accepted like climbing shoes. ladder Lightweight rigid aluminum ladders are used in expedition style mountaineering to cross crevasses or on difficult sections...
    122 KB (11,908 words) - 16:36, 4 June 2025
  • any observer, and objects sent towards an event horizon never appear to cross it from the sending observer's point of view (as the horizon-crossing event's...
    29 KB (3,590 words) - 03:24, 22 May 2025
  • to get self-indulgent and overly dramatic. I don't know if I licked the problem, but I don't think I make people cringe. I tried to show her passion for...
    19 KB (2,562 words) - 03:24, 15 January 2025
  • Kepler problem Gravitational lensing Gravitational redshift Gravitational time dilation Gravitational waves Frame-dragging Geodetic effect Event horizon...
    35 KB (5,077 words) - 15:22, 28 May 2025
  • Thumbnail for Puerto Rico Firefighters Corps
    injured. The cause of the fire was criminal arson, because of economic problems between employees and employers. This made the Dupont Plaza Hotel arson...
    17 KB (2,216 words) - 19:23, 27 February 2025
  • confused, attack with energy and purpose. When a country is beset by internal problems, such as disease, famine, corruption, and crime, it is poorly-equipped...
    20 KB (2,410 words) - 06:22, 6 February 2025