Description 50 milligram of a very fast flash powder initiated with a detonator under a soda can. It was actually not a detonation at all, but the rapid initiation by the detonator increases the effect so the flash powder does more damage. This was 0,05 grams or 1/20 gram. Imagine what 0,5 grams or 5 grams would do! The flash powder was composed of magnesium, sodium nitrate and ferrocerium. The magnesium and ferrocerium powders were ground to 1 micron with this method: www.youtube.com Thanks for watching! Subscribe, rate and comment!