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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 ...
Colour distribution of a Newton disk. The Newton disk, also known as the disappearing color disk, is a well-known physics experiment with a rotating disk with segments in different colors (usually Newton's primary colors: red, orange, yellow, green, blue, indigo, and violet, commonly known by the abbreviation ROYGBIV) appearing as white (or off-white or grey) when it's spun rapidly about its axis.
The Spinning Dancer is a kinetic, bistable optical illusion resembling a pirouetting female dancer. The dancer can be seen to be spinning alternately one direction, or the other. In visual perception, the kinetic depth effect refers to the phenomenon whereby the three-dimensional structural form of an object can be perceived when the object is ...
Belichick being hired to lead the Tar Heels elicited strong reactions from the sports world.Some believe the move is brilliant; others fear (or perhaps hope) that it will be a disaster.
Experts discuss the health benefits of cooking and baking. Plus, tips for getting the most mental health benefits when cooking.
Our eight-part guide shows you a delicious expert-backed eating lifestyle that will boost your health for life. The food you eat may be affecting your body’s ability to fight cancer cells in the ...
The peripheral drift illusion (PDI) refers to a motion illusion generated by the presentation of a sawtooth luminance grating in the visual periphery. This illusion was first described by Faubert and Herbert (1999), although a similar effect called the "escalator illusion" was reported by Fraser and Wilcox (1979).
These easy pinwheel recipes are perfect for any party of the season, whether its Christmas Eve, Super Bowl, or even just an after-school snack.