Hammer through Mirror at 120,000fps - The Slow Mo Guys

The video tutorial involves a group preparing to smash a mirror and film it at 120,000 frames per second. They discuss the superstition of bad luck associated with breaking mirrors. The team sets up the camera to capture the event, analyzes the footage, and compares the results to movie effects, noting the shockwave and lens flares. They express interest in trying the experiment with a larger pane of glass.

How does the speed of the camera affect the perception of the glass breaking?

What observations were made regarding the shards of glass after the hammer strike?