Applet create by prof Hwang, i modified only layout.
Original applet [url=http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=2033.0]What do you see? A frog or a horse?[/url]

Is it a frog or a horse head?

Try to move the slider for different angle  or click play button to rotate the image automatically.

/htdocs/ntnujava/ejsuser/37048/users/egy/ahmed/illusion_rotate_pkg/illusion_rotate.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(823.4kB):double click downloaded file to run it. (8 times by 5 users) , Download EJS source View EJS source