Author Topic: illusion AB>CD?  (Read 4679 times)

Fu-Kwun Hwang

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illusion AB>CD?
« on: December 17, 2010, 07:20:57 pm »
We all think that AB>CD (distance between point A and B is much larger than distance between point C and D).
However, there are almost the same length!
Click play button to find out!

You can also use slider to adjust length (w) and angle (c).

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Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
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