Hello, does anyone from this sub know what kind of explosives were used in this video? Of course these are not high explosives and the sound wave wasn't too boom'ish. I guess something like a flash powder or something else? P.s. not my video, found it som

Hello, does anyone from this sub know what kind of explosives were used in this video? Of course these are not high explosives and the sound wave wasn't too boom'ish. I guess something like a flash powder or something else? P.s. not my video, found it som