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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 ...
A G-Turn is a Nose Manual, but without facing the riding direction. The rider increases speed, then places the front foot on the nose while keeping the back foot over the back wheels. While riding, the board tends to turn frontside or backside, ending with a spin. Variations: One-Wheeled, Backward, Hang Ten (two feet on the nose)
A roller coaster inversion is a roller coaster element in which the track turns riders upside-down and then returns them to an upright position. Early forms of inversions were circular in nature and date back to 1848 on the Centrifugal railway in Paris.
The vertical loop on Full Throttle is one of the world's tallest and largest at 160 feet (49 m) A vertical loop is one of the earliest and most common roller coaster inversions in existence. It is a continuous, upward-sloping section of track that eventually completes a 360-degree turn, inverting riders halfway into the element.
The ride operator activated an emergency stop, but it didn’t work, park officials told a news outlet.
While performing a track stand, the rider can keep the line between the two contact patches under the combined center of mass by steering the front wheel to one side or the other and then moving forward and backward slightly to move the front contact patch from side to side as necessary. Forward motion can be generated simply by pedaling.
In music theory, retrograde inversion is a musical term that literally means "backwards and upside down": "The inverse of the series is sounded in reverse order." [ 1 ] Retrograde reverses the order of the motif 's pitches : what was the first pitch becomes the last, and vice versa. [ 2 ]
You might be surprised by how many popular movie quotes you're remembering just a bit wrong. 'The Wizard of Oz' Though most people say 'Looks like we're not in Kansas anymore,' or 'Toto, I don't think