Amazing Circle Illusion: Do the spheres move in circles or in a straight line?

In the video below, the famous idiom that states "there is more to it than meets the eye" is very much apparent.

The video starts off with showing a big, white circle wherein twelve (12) little, black circles forming a circle go round and round as if tracing the edges of the white circle.

Do the spheres move in circles or in a straight line?
Do the spheres move in circles or in a straight line?


Scroll down for video.


But then a question appears: Do the spheres move in circles or a straight line? As the question appears, the video shifts into showing you how the little, black circles actually also moves into a straight line.

If you have seen or played with a Spirograph, you’ll get a clearer picture on how the video below is possible as they basically have the same principle. According to Wikipedia,
a Spirograph consisted of two different-sized plastic rings, with gear teeth on both the inside and outside of their circumferences. They were pinned to a cardboard backing with pins, and any of several provided gearwheels, which had holes provided for a ballpoint pen to extend through them to an underlying paper writing surface. It could be spun around to make geometric shapes on the underlying paper medium.
You really have to watch it to see for yourself how.


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Amazing Circle Illusion: Do the spheres move in circles or in a straight line? Amazing Circle Illusion: Do the spheres move in circles or in a straight line? Reviewed by BubbleFeed on May 24, 2016 Rating: 5