The applet desing by prof Hwang, modified layout by Ahmed.
Original applet can find at [url=http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=2058.0]Did you see bended lines (red/green/blue squares)?[/url]

You can change the size of the circle with slider.
Try to un-check the show checkbox and see the difference feeling!

/htdocs/ntnujava/ejsuser/37048/users/Eg/ahmed/illusion_bend_pkg/illusion_bend.propertiesFull screen applet or Problem viewing java?Add http://www.phy.ntnu.edu.tw/ 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(990.2kB):double click downloaded file to run it. (5 times by 4 users) , Download EJS source View EJS source