The always-entertaining and informative Slow Mo Guys dumped some oobleck (aka non-Newtonian fluid) inside a speaker cone and filmed the fantastic results at 1600 frames-per-second.
Lighting a match at 4,000 frames per second. UltraSlo says, "There was over 2000 Watts of light within 4 inches (10 cm) of the match with mirrors and reflectors too."
"Spyhouse Orion espresso being extracted from a La Marzocco FB80 @120 frames per second." (video link)