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China launched world's first Earth Science Satellite named “Guangmu” China has launched the world's first Earth-science satellite, Guangmu or SDGSAT-1 into space from the Taiyuan Satellite Launch Center in the northern Shanxi Province.

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The Mars Science Laboratory mission's Curiosity rover landed in Mars' Gale Crater the evening of August 5, 2012.

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China has successfully landed a robot on the surface of Mars on 15 May 2021.

China has become the third country after Russia and the United States of America in history

The rover 'Zhurong' will spend around 90 Martian days on the planet.

A Martian day is around 24 hours and 39 minutes.

This rover is named after the mythical Chinese god of fire.

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Sputnik V vaccine is made by Russia

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The earliest known audio tape recorder was a non-magnetic, non-electric version invented by Alexander Graham Bell's Volta Laboratory and patented in 1886.

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Scotsman John Dunlop developed the first practical pneumatic tire in 1888.

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Joseph F. Glidden was born in New York on Jan. 18, 1812.

He invented barbed wire in 1873 and was granted the patent on Nov. 24, 1874.

Gidden  known as the "Father of Barbed Wire".

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The atmospheric pressure at any place is measured by a Barometer

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The barometer was invented by Evangelista in 1644.

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