General Knowledge - Inventions
Exercise : Inventions - Section 1
- Inventions - Section 1
The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?
When was the first lawn mower invented?
The first lawn mowers were not engine powered. Invented in 1830 by Edwin Budding of England, the mowers were turning blades on wooden sticks used to cut grass. Engine powered mowers were not invented until 1919 by an American Army colonel, who used the motor from a washing machine.
In which decade were the first successful diode and triode vacuum tubes invented?
Who is the English physicist responsible for the 'Big Bang Theory'?
What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892?