ALL ABOUT EXPLOSIVES-1

EXPLOSIVES:-

1. What is an explosive??

An explosive is a reactive substance which contains high amount of potential energy and can create an explosion if subjected to certain conditions(detonation depends on the sensitivity of the explosive). It usually detonates/explodes releasing high amount of light,heat,pressure and shock wave which could cause severe damage to surrounding.
   
     2. History of explosive:-

explosive history is a bit uncertain as their is no written statement regarding its discovery but it is assumed that its discovery happened in China (used in firecrackers etc.).
In the 1800s, BLACK POWDER (gun powder) came into existence and from then onwards it only improved.
industrial revolution gave more improved explosive. Soon, TNT (tri nitro touluene) and Dynamite came into effect but owing to their sensitivity and low water resistance nature more effective and efficient explosive were required.
soon the era of nitroglycerene based explosive came into effect, ANFO (ammonium nitrate fuel oil) is a widely popular explosive and is still being used. A more improved formulae of ANFO is HANFO abbreviated as heavy-ANFO. (HANFO has more rate of reaction than ANFO hence more effective and efficient)
But now-a-days SLURRIES and EMULSION based explosives have taken their(anfo's) place. These explosives are more water resilient, better storage, better sensitivity etc.

rest part of the explosive will be uploaded soon.
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