Who discovered Oxygen?
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Who discovered electricity and invented the lightning rod and bifocals?
Robert Hooke discovered cells by observing them in a ______.
Dishwasher was invented by ________.
Who Invented Electric Stove?
Who invented the electrocardiogram (ECG)?
State Land Reform is under which part of the Constitution?
Who created the first mechanical computer, which proved to be the prototype for future computers?