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An endoscope is an inspection instrument composed of image sensor, optical lens, light source and mechanical device, which is used to look deep into the body.

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Johannes Kepler was an astronomer belonged to Germany. 

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A galvanometer is an instrument that can detect and measure small amounts of current in an electrical circuit

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The intensity of earthquake is measured by Richter Scale.

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Adam Osborne invented Laptop in 1981.

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In June 2022, researchers discovered largest bacteria on the Caribbean island of Guadeloupe and is big enough to be seen with the human eye

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mRNA is “messenger” RNA. mRNA is synthesized in the nucleus using the nucleotide sequence of DNA as a template. 

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A force couple is the term used for a system of two equal antiparallel forces, the arm of the couple is the shortest distance between the forces

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Giant pandas live in a few mountain ranges in south central China, in Sichuan, Shaanxi and Gansu provinces. They once lived in lowland areas, but farming, forest clearing and other development now restrict giant pandas to the mountains.

Giant pandas

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Rober Oppenheimer: is among those who are credited with being the "father of the atomic bomb" for their role in the Manhattan Project – the World War II