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  2. Penrose stairs - Wikipedia

    en.wikipedia.org/wiki/Penrose_stairs

    He did not realize that his figure was a continuous flight of stairs while drawing, but the process enabled him to trace his increasingly complex designs step by step. When M.C. Escher's Ascending and Descending was sent to Reutersvärd in 1961, he was impressed but didn't like the irregularities of the stairs (2 × 15 + 2 × 9).

  3. List of Step by Step episodes - Wikipedia

    en.wikipedia.org/wiki/List_of_Step_by_Step_episodes

    The following is an episode list for the American television sitcom Step by Step. The series originally ran for six seasons on ABC from September 20, 1991 to August 15, 1997, then moving to CBS for its seventh and final season from September 19, 1997, to June 26, 1998. A total of 160 episodes were produced, spanning seven seasons. Series overview Season Episodes Originally released First ...

  4. Schroeder stairs - Wikipedia

    en.wikipedia.org/wiki/Schroeder_stairs

    Schroeder stairs can be perceived in two ways, depending on whether the viewer considers A or B to be the closer wall. Schroeder stairs (Schröder's stairs) is an optical illusion which is a two-dimensional drawing which may be perceived either as a drawing of a staircase leading from left to right downwards or the same staircase only turned upside down, a classical example of perspective ...

  5. Relativity (M. C. Escher) - Wikipedia

    en.wikipedia.org/wiki/Relativity_(M._C._Escher)

    This creates interesting phenomena, such as in the top stairway, where two inhabitants use the same stairway in the same direction and on the same side, but each using a different face of each step; thus, one descends the stairway as the other climbs it, even while moving in the same direction nearly side by side.

  6. Stairs - Wikipedia

    en.wikipedia.org/wiki/Stairs

    The longest stone stairs in Japan are the 3,333-step stairs of the Shakain temple in Yatsushiro, Kumamoto. [52] The second ones, Mount Haguro stone stairs, have 2,446 steps in Tsuruoka, Yamagata. The CN Tower's staircase reaches the main deck level after 1,776 steps and the Sky Pod above after 2,579 steps; it is the tallest metal staircase on ...

  7. Rocky Steps - Wikipedia

    en.wikipedia.org/wiki/Rocky_Steps

    The steps are the backdrop for the annual Independence Day celebration, and have often been featured in large concerts such as Live 8. Two journalists from the Philadelphia Inquirer spent a year interviewing people who ran the steps, and published a book in 1996 called Rocky Stories: Tales of Love, Hope, and Happiness at America's Most Famous ...

  8. Ascending and Descending - Wikipedia

    en.wikipedia.org/wiki/Ascending_and_Descending

    The structure is embedded in human activity. By showing an unaccountable ritual of what Escher calls an 'unknown' sect, Escher has added an air of mystery to the people who ascend and descend the stairs. Therefore, the stairs themselves tend to become incorporated into that mysterious appearance.

  9. Escalator - Wikipedia

    en.wikipedia.org/wiki/Escalator

    The track system is built into the truss to guide the step chain, which continuously pulls the steps from the bottom platform and back to the top in an endless loop. One track guides the front wheels of the steps (called the step-wheel track) and another guides the back wheels of the steps (called the trailer-wheel track).