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  2. List of spirals - Wikipedia

    en.wikipedia.org/wiki/List_of_spirals

    For <, spiral-ring pattern; =, regular spiral; >, loose spiral. R is the distance of spiral starting point (0, R) to the center. R is the distance of spiral starting point (0, R) to the center. The calculated x and y have to be rotated backward by ( − θ {\displaystyle -\theta } ) for plotting.

  3. Spiral - Wikipedia

    en.wikipedia.org/wiki/Spiral

    The spiral is a frequent symbol for spiritual purification, both within Christianity and beyond (one thinks of the spiral as the neo-Platonist symbol for prayer and contemplation, circling around a subject and ascending at the same time, and as a Buddhist symbol for the gradual process on the Path to Enlightenment).

  4. Photopea - Wikipedia

    en.wikipedia.org/wiki/Photopea

    Photopea has various image editing tools including spot healing, a clone stamp healing brush, and a patch tool. The software supports layers, layer masks, channels, selections, paths, smart objects, layer styles, text layers, filters and vector shapes.

  5. Golden spiral - Wikipedia

    en.wikipedia.org/wiki/Golden_spiral

    The shape is infinitely repeated when magnified. In geometry, a golden spiral is a logarithmic spiral whose growth factor is φ, the golden ratio. [1] That is, a golden spiral gets wider (or further from its origin) by a factor of φ for every quarter turn it makes.

  6. Möbius strip - Wikipedia

    en.wikipedia.org/wiki/Möbius_strip

    Certain highly symmetric spaces whose points represent lines in the plane have the shape of a Möbius strip. The many applications of Möbius strips include mechanical belts that wear evenly on both sides, dual-track roller coasters whose carriages alternate between the two tracks, and world maps printed so that antipodes appear opposite each ...

  7. Doyle spiral - Wikipedia

    en.wikipedia.org/wiki/Doyle_spiral

    A Doyle spiral of type (8,16) printed in 1911 in Popular Science as an illustration of phyllotaxis. [1] One of its spiral arms is shaded. In the mathematics of circle packing, a Doyle spiral is a pattern of non-crossing circles in the plane in which each circle is surrounded by a ring of six tangent circles.

  8. 25 Black Friday deals that are worth the splurge: Kate Spade ...

    www.aol.com/lifestyle/black-friday-deals-that...

    Barbie can host the pool party of her dreams with her home's spectacular three-story spiral slide. Watch as Barbie doll and her friends swirl down the slide into the pool of this 75-piece toy ...

  9. Spiral of Theodorus - Wikipedia

    en.wikipedia.org/wiki/Spiral_of_Theodorus

    The spiral is started with an isosceles right triangle, with each leg having unit length.Another right triangle (which is the only automedian right triangle) is formed, with one leg being the hypotenuse of the prior right triangle (with length the square root of 2) and the other leg having length of 1; the length of the hypotenuse of this second right triangle is the square root of 3.