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The wagon-wheel effect (alternatively called stagecoach-wheel effect) is an optical illusion in which a spoked wheel appears to rotate differently from its true rotation. The wheel can appear to rotate more slowly than the true rotation, it can appear stationary, or it can appear to rotate in the opposite direction from the true rotation ...
The device was invented by the researcher Dr. Christine Veras, and it won third place in the Best Illusion of the Year Contest, paying homage to the classical zoetrope but displaying a unique combination of optical illusions. [56] A digital successor to the zoetrope was invented in 2023 by Mike Ando.
Rowett has presented videos on the YouTube channel Grand Illusions since 2008. In each video, he light heartedly demonstrates and reacts to at least one toy, puzzle, or optical illusion which is either part of his collection or will be stocked through an online toy store, run as part of the Grand Illusions brand (to which he is a director).
The illusion derives from the lack of visual cues for depth. For instance, as the dancer's arms move from viewer's left to right, it is possible to view her arms passing between her body and the viewer (that is, in the foreground of the picture, in which case she would be circling counterclockwise on her right foot) and it is also possible to view her arms as passing behind the dancer's body ...
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 ...
At the 57th Annual Grammy Awards, the Frozen soundtrack was nominated in two categories – Best Compilation Soundtrack for Visual Media and Best Score Soundtrack for Visual Media (with credits going to Christophe Beck as composer) – and won the former; the song "Let It Go" won the award for Best Song Written for Visual Media, with credits going to Kristen Anderson-Lopez and Robert Lopez as ...
The group made more Frozen videos: "Love Is an Open Door", "In Summer", and "Let It Go". Their Let It Go cover became the fifth most-watched YouTube video in the United Kingdom in 2015 when not considering music videos and became the group's most-watched video with about 350 million views by August 2017. By the end of 2014, the group averaged ...
Whirligig store. A whirligig is an object that spins or whirls, or has at least one part that spins or whirls. It can also be a pinwheel, spinning top, buzzer, comic weathervane, gee-haw, spinner, whirlygig, whirlijig, whirlyjig, whirlybird, or simply a whirly.