| Show AMUSING OPTICAL ILLUSION curious illustration of how ones eyes may be deceived deceive d arra arrangement n ge of cubes Is puzzling here Is a curious and amusing optical illusion that sou jou ma mai like lelce to try upon our friends IN lien hen you look 1001 at the accompanying dr drawing aNing there ap pears to be one cube upon two cubes if i ou on close 5 our ea ases es m while hile 3 iou on turn the drawing draving in this reier reversed sed position there still appears to be one cube on two cubes it if now non ou on look at tho the drawing draing and keep bour our eyes open while ou on turn the drawing upside down lou will see it change from one cube upon two tino cubes to two cubes upon I 1 curious optical illusion one cube then close our ees while iou ou count ten and open sour ees and look at the dr drawing aNNing again and it will change to what sou saw sann lu in the tha first place im one cube upon two there are many other examples of 0 how ones ees maj ma be decenes for instance draw dran two straight lines of equal length one above the other at both ends of one place two short lines P pr electing ting outwards and upu upwards ards at the ends of the other place similar short lines projecting inwards like the head bead of an am arrow the latter line will mill then appear to be shorter than the other |
