This applet design by prof Hwang, Modified layout by Ahmed.
Original applet [url=]illusion AB>CD?[/url]

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).

/htdocs/ntnujava/ejsuser/37048/users/egy/ahmed/illusion_samelength_pkg/illusion_samelength.propertiesFull screen applet or Problem viewing java?Add to exception site list
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
Download EJS jar file(766.7kB):double click downloaded file to run it. (6 times by 6 users) , Download EJS source (1 times by 1 users) View EJS source