مستخدم:Afnan130/ملعب

ROCKET

Of the book :

From the dark ages to the present day humans have made agreat amount of prographss among all the great diseover . whether it is the revolutionsed communication , each invention in this book signifes a step to words anewer better world !

About the rocket :

The first rocket was invented around 1100 AD in china . these rockets were mainly used as weapons and fireworks . It was during the 1920s that rocket societies emargad . By the 1930s and 1940s , professional rocket engineering began . three pioneers began working independently on developing rockets to reach space .

Konstantit tsiolkovsky and hermann oberth were the first to come up with many essential principles and realise that the rocket could be used as a curiosity about rocketry and space . This created a curiosity about rocketry and space travel in1926 robert gddard launched the first liquid - propellant rocke due to its secrecy the 1926 rocket did not influence later developments .

https://www.amazon.com/365-Inventions-BOOKS-EDITORIAL-TEAM/dp/9384625922

Afnan

Maryam

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