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How does thermos flask work?

A thermos or vacuum flask is a tube shaped insulated vessel which is capable of keeping a drink at steady temperature for a longer time duration. It works perfectly for both , a hot and a cold drink. A hot drink remains hot while the cold also retains its temperature for long time. Thermos flask…

Who is the Father of Computer?

All of us have studied in our schools that it’s Charles Baggage who was considered as the father of computer, primarily because of his concept of Analytical Engine which contained an Arithmetic Logic Unit in 1837. It took another 73 years to complete this concept and in 1910, it was Charles Baggage youngest son, Henry…

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