In 1992, University of Melbourne researchers TT Lim and TB Nickels wrote a scientific paper titled "Instability and reconnection in the head-on collision of two vortex rings." The research so inspired Smarter Every Day's Destin Sandlin that he launched his own research effort to study the phenomenon and capture it using high-speed video. Four years later, he's shared this magnificent video above. You can also watch all 12 hours of the 1x speed video below.
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