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?
Kaleidoscope was invented by ________.
Who among the following discovered electron?
Who discovered Fullerene (an allotrope of carbon)?
Steam Engine was invented by?
Who developed the theory of relativity?
State Land Reform is under which part of the Constitution?
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