The first large scale electrical air conditioning was invented and used in 1902 by
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Who created the first mechanical computer, which proved to be the prototype for future computers?
Who among the following discovered electron?
Kaleidoscope was invented by ________.
Who developed the theory of relativity?
Steam Engine was invented by?
State Land Reform is under which part of the Constitution?
Who discovered Fullerene (an allotrope of carbon)?
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