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The design for example is typical of a japanese origami folding technique for a pinwheel. [citation needed] During the nineteenth century in the United States, any wind-driven toy held aloft by a running child was characterized as a whirligig, including pinwheels. Pinwheels provided many children with numerous minutes of enjoyment and amusement ...
The simplest and most common example of a wind-driven whirligig is the pinwheel. The pinwheel demonstrates the most important aspect of a whirligig — blade surface. Pinwheels have a large cupped surface area which allows the pinwheel to reach its terminal speed fairly quickly at low wind speed.
A pinwheel calculator is a class of mechanical calculator described as early as 1685, and popular in the 19th and 20th century, calculating via wheels whose number of teeth were adjustable. These wheels, also called pinwheels, could be set by using a side lever which could expose anywhere from 0 to 9 teeth, and therefore when coupled to a ...
Pinwheel (toy), a spinning children's toy; Pinwheel (cryptography), a device for producing a short pseudo-random sequence of bits; Pinwheel (shogi), an opening in the game shogi or Japanese chess; Pinwheel (TV channel), a channel which would later turn into Nickelodeon; Pinwheel, a children's show on Nickelodeon that ran from 1977 to 1984
For example, English has about 450 million native speakers but, depending on the criterion chosen, can be said to have as many as two billion speakers. [ 4 ] There are also difficulties in obtaining reliable counts of speakers, which vary over time because of population change and language shift .
The Catherine wheel or pinwheel is a type of firework consisting either of a powder-filled spiral tube, or an angled rocket mounted with a pin through its center. When ignited, the energy of the fireworks not only create sparks and flame, but cause the wheel to quickly rotate, making the display much more spectacular.
(December 2018) (Learn how and when to remove this message) A garland is a decorative braid , knot or wreath of flowers, leaves, or other material. Garlands can be worn on the head or around the neck, hung on an inanimate object, or laid in a place of cultural or religious importance.
A method of making a lei by twisting two strands together to form a "rope". The popular and simple lei lāʻī (tī leaf lei) is made using this method. [5] Hipuʻu / nipuʻu: a method of making a lei by knotting the stems of the decorative plant material and stringing the next stem through the knot. It requires a very long stem on the ...