The applet design by Prof Hwang, Modified layout by Ahmed.
Original applet [url=http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=2063.0]illusion: Are they the same size?[/url]

Does those two objects the same size?
Drag the slider up/down to find out!

/htdocs/ntnujava/ejsuser/37048/users/egy/ahmed/illusion_samesize_pkg/illusion_samesize.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(971.2kB):double click downloaded file to run it. (4 times by 4 users) , Download EJS source View EJS source