brilliant, but for >Triboluminescence with household chemicals - Keep your eye on what happens when the battery falls over in this video. I watched it over a

brilliant, but for >Triboluminescence with household chemicals - Keep your eye on what happens when the battery falls over in this video. I watched it over a couple of times, but never actually catch the battery fall over, the subject matter is constantlly grabbing my attention. at what time does it fall over?