I didn't even realise that "low explosives" were a thing; let's talk about deflagration, detonation, and how high explosives can actually be safer. • Thanks to Steve from Live Action FX: http://liveactionfx.com/​ Filmed safely: https://www.tomscott.com/safe/​ Camera: Simon Temple http://templefreelance.co.uk​ Edited by Michelle Martin: