Rockets, Flamethrowers.

History Channel Documentary,

Chinese chemists knew saltpeter as right on time as 492 when it was blended with sulfur for restorative utilization. By 900, these chemists looking for mixture of godlikeness inadvertently prepared black powder. They called it "pinyin", signifying "flame drug". In 1044, Zeng Gongliang altered the "Accumulation of the Most Important Military Techniques" which depicted three plans of explosive.

Rockets

The world's first rocket was created by the Chinese in 1150. Some Chinese got the thought of tying a tube loaded with black powder and breaker close to the harmed tip of a bolt, with a little weight at the inside to keep the bolt tilted upward. At that point the breaker is lighted and the bolt was shot as common towards the adversary. Later, the shoot bolts were dispatched by explosive with a scope of up to 1000 ft, and rocket launchers were created to flame upwards of 1000 bolts. The following two centuries saw all the more effective, enhanced rocket outlines.

Flamethrowers

Around 919, the Chinese built up the Pen Huo Qi or Fire Throwing Machine. It had cylinder surges to pump a fuel like substance out of a solitary chamber. A ceaseless stream of fire is created, lit by a moderate smoldering explosive match, which showed the first utilization of black powder in fighting by the Chinese. This was utilized viably as a part of maritime fights to smolder adversary ships.