In the spirit of a teenager, the Young Adult Hop is running wild. Stop by and enter for your chance to win a copy of The Hunger Games by Suzanne Collins, plus a signed hardcover edition of the spooky, new middle grade novel The Secret DMS Files of Fairday Morrow by J. Haight & S. Robinson.
Today, we thought it would be fun to share two fascinating mind games with you. They show you just how much the human brain is hard-wired to alter perceptions.
Fairday: Rotating Silhouette Pirouette
On what leg is the dancer standing? The direction of rotation of silhouettes may be ambiguous. This dancer created by Nobuyuki Kayahara stands on her left leg when she appears to be rotating clockwise, but on her right leg when she appears to rotate counter-clockwise.
Put Mouse Pointer Here to Animate
(This link will direct you to another site and then you have to click it again)
Lizzy: Three Streams
Apparent movement of the streams is created by afterimages as our eyes shift to examine the picture.