The first fire work ever created was in China, people believethat it made out of bamboo stalks that were thrown into a fire. The bamboo would explode because of the hollow air pockets, they believed that it would ward off evil spirits.
Invention of Kevlar
In 1886 the engine was invented byÉtienne Lenoir, he called this machine a hippomobile. The internal combustion engine is when burning fuel (gas), in a constricted space called a combustionchamber.
Sunscreen
The industrial revaluationwas the period of development in the latter half in the 18th century that transformed it into one of the most elevated and enhanced century of the world. It originally started in Britain in the 1830s-40s.
This is a synthetic heat-resistantfiber that was developed by Stephanie Kwolek. She released it in 1965, it was used as a replacement in steel in racing cars. Its generally used in bullet proof vests, car engines, body armor, and boats.
The earliest form if sunscreen was made by Franz Greiter, in 1938. It is a mixture of cocoa butter and red veterinary petroleum. It works by absorbing UV rays from the sun through physical and chemical particals.
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