Tuning Fork at 1600fps - The Slow Mo Guys
No flames. No explosions. Just the simple vibrations of a tuning fork at 1,600 frames per second.
About the Slow Mo Guys:
The Slow Mo Guys, featuring slow motion footage of various pranks and stunts, garnering millions of views since starting it on August 15, 2010. In April 2011 the channel was voted the winner of YouTube's On The Rise program which highlights up-and-coming YouTube partners on the homepage. In September 2012, their episode involving crushing watermelons was featured on The Tonight Show.