The Brightest Part of a Shadow is in the Middle

Why is there a bright spot behind spherical objects? Be the first to find out about new projects: http://www.veritasium.com Filmed by Nathan Watkins and Raquel Nuno, animation by Meg Rosenburg. Music by Kevin MacLeod, http://www.incompetech.com Scissors Mirage Marty Gots a Plan . Special thanks to Laura Vican for helping with the experiment. References: http://www.princeton.edu/~rvdb/images/Questar/PoissonSpot.html Why Toast Lands Jelly-side Down: Zen and the Art of Physics Demonstrations By Robert Ehrlich