Show TOP the ark FEW CLEVER LITTLE TRICKS rings chase each 0 other her when paper la 18 turned to right or left hoops hoop change positions there are some tricks that can be played on a persons person 8 eyes which are pure illusions hold this paper a foot ar r moro more from your eyes and turn it gently round to the right or left in small mall circles keeping your eyes fixed on n the three small rings as aa shown la in L the he illustration s kioa As Y you u move the paper round like the tha hands hand of f a watch you will find and that the rings in these circles seem to chase each 0 ther other in the same direction an and d th the e longer and more intently you look at it the faster they go circles can be ba made with spokes h them which to some persons seem to be going in the opposite direction to that in which the paper Is turned but the illusion la Is not so perfect unless chasing the circles are much larger than there Is space for in this column another curious optical illusion that it has as puzzled a great many persons no who have tried to account tor for it la Is also shown it if wo we suppose these to represent wire hoops which of them Is nearest you A or B da the answer Is that it la Is the tha one you first make up your mind Is nearest you but now cow it if you took look steadily at it for a few moments your eyes will get tired of that idea and nd it will suddenly shift that hoop to the furthest away from you in spite of your wishing to keep it as it was and after you have looked at A hoops change positions position it in its new position tor for a space it will go back again it you do not decide which Is the nearest to you at first but just look at the middle loop hoop steadily you will see them one way perhaps with A in front and toward you and then A w will I 1 11 suddenly go back and B will be in trout front |