Collection of videos that touched my heart. Feel free to contribute.
Friday, 9 September 2011
ORIGINS- The thaumatrope
In 1825, a famous English physician, John A. Paris, created the prototype of optical toys. the thaumatrope: a disc with a complementary image on each side, and strings attached at each end of its horizontal axes. When the disk is spun on the strings, the two complementary images appear to merge.