If you thought that the physics behind light painting involves photon accumulation, advanced sensor technology and high end buffer management, you have it all wrong.
The truth of the thing, as Destin explains, is that light painting is done by cute girls throwing beads at boxes. OK, it does not, but Destin and daughter (and Wes Whaley) do a terrific job and explaining all this stuff in a fun and super easy to understand way. (Plus you get to see some of the most unique pregnancy photoshoots ever). Hit the jump to see the full video.
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