Lighting & Shadow Illusion

Comments

1. Fog says

   August 17, 2011 at 1:37 pm

   … gray matte semi transparent paper …

2. Dominic says

   August 17, 2011 at 1:57 pm

   It’s because it’s made of a reflective material.

3. George Birbilis says

   August 17, 2011 at 3:27 pm

   http://web.mit.edu/persci/people/adelson/checkershadow_illusion.html
   http://web.mit.edu/persci/people/adelson/checkershadow_description.html

   very nice! can also add a followup video part with the proof:
   http://web.mit.edu/persci/people/adelson/checkershadow_proof.html

   • Dominic says

     August 18, 2011 at 9:56 am

     Thanks George.

     It’s really just an illusion!

4. Patrik says

   August 18, 2011 at 7:02 am

   The “shadow” is printed on the paper. Her hands never experience that “shadow”, they are always lit evenly from above. Same goes for that piece of paper she moves. Stop the film once the piece is lying half-way across the shadow’s edge. There is no edge on the piece she moves either. Looks really nice, but the light behind the pillar is not strong enough to actually cast the shadow you think you see.

   • Dominic says

     August 18, 2011 at 10:01 am

     If you want the proof that it’s just an illusion, clickon the link published by George, download the image, go into Photoshop, cut the “B” square and drag it onto the “A” square. You’ll see that both squares are identical.

     http://web.mit.edu/persci/people/adelson/checkershadow_illusion.html

     It’s amazing how easily our eyes can be fooled!

5. Michael McNulty says

   August 19, 2011 at 7:16 pm

   http://www.ritsumei.ac.jp/~akitaoka/index-e.html

6. Adam says

   August 21, 2011 at 9:44 am

   It’s magic!