⁣Did you know the world’s first working submarine was built more than 400 years ago?
In 1620, Dutch inventor
Cornelis Drebbel
created the first successful submarine.
He was an engineer from
Netherlands.
This wooden submarine could travel about 4–5 meters underwater and was powered by people rowing paddles inside.
That small invention later became the beginning of modern submarines used around the world today.

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⁣The idea of robots started many years ago. In 1954, American inventor George Devol created the first industrial robot called Unimate.
This revolutionary machine was later used in the factory of General Motors in 1961. It could lift heavy metal parts and do dangerous work that was risky for humans.
The invention of Unimate started the modern robotics era. Today robots are used in factories, hospitals, space missions and even in our homes.

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⁣Today humans are reaching the Moon and even planning missions to Mars.
But the beginning of rocket technology started almost 800 years ago in China.
Chinese soldiers and inventors created a weapon powered by gunpowder called the Fire Arrow.
It was a wooden arrow with a small rocket attached to the back.
When ignited, it would fly through the air with fire and smoke.
This small invention later became the foundation of modern rockets and space exploration. 🚀

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