Optical Illusion (2)

by cibo00 - uploaded on February 23, 2008, 10:34 am

Illusion discovered in 1860 by physicist JC Poggendorff.

Ð¨ÐµÐ»ÑÐ³Ð°, Ð’.Ð’., Ð“Ð»Ð¾Ñ‚Ð¾Ñ‡ÐºÐ¸Ð½Ð°, Ð.Ð”., ÐŸÐ»Ð°Ñ‚Ð¾Ð½Ð¾Ð²Ð°, Ðš.Ðš. (1972). Ð’Ð¾ÐµÐ½Ð½Ð°Ñ Ð¿ÑÐ¸Ñ…Ð¾Ð»Ð¾Ð³Ð¸Ñ. ÐœÐ¾ÑÐºÐ²Ð°.