Incredible Illusions

Poggendorff Illusion

Move one of the lines sticking out of the box until you think it matches up with the other one. Now press the button.

Do the lines match up?

You'll need the free Macromedia Shockwave player to view this part of the page.

It can be very hard to match up the lines. If you want to know more about the Poggendorff Illusion, check the explanation.


	Questacon > Kids > Incredible Illusions > Poggendorff Illusion Incredible Illusions Poggendorff Illusion Can you beat Mr Poggendorff? Move one of the lines sticking out of the box until you think it matches up with the other one. Now press the button. Do the lines match up? It can be very hard to match up the lines. If you want to know more about the Poggendorff Illusion, check the explanation.
	Last modified 12 September, 2007 © Commonwealth of Australia 2008 About \| Contact Us \| Disclaimer \| Home \| Privacy Statement \| Search \| Site Map Send comments or feedback to the Questacon Webmaster.