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?
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?
Who invented Bifocal Lens?
Who invented Bifocal Lens?
What item of apparel was invented by Ellery Chun, a Hawaiian clothing merchant, in 1931?
What item of apparel was invented by Ellery Chun, a Hawaiian clothing merchant, in 1931?
What device for new parents did Ann Moore invent in 1969?
What device for new parents did Ann Moore invent in 1969?
Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?
Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?
The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name?
The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name?
Who invented Gramophone?
Who invented Gramophone?
What plaything was invented by Joe McVicker in 1956?
What plaything was invented by Joe McVicker in 1956?
Who invented the battery?
Who invented the battery?
What treat was invented by 11-year-old Frank Epperson in 1905?
What treat was invented by 11-year-old Frank Epperson in 1905?
When was the toothbrush invented?
When was the toothbrush invented?
Who invented Automobiles using gasoline?
Who invented Automobiles using gasoline?
This part-time race car driver invented the bucket seat in 1969. Who was he?
This part-time race car driver invented the bucket seat in 1969. Who was he?
Who invented Fountain Pen?
Who invented Fountain Pen?
In which decade was the transistor invented?
In which decade was the transistor invented?
Who was the first American female to patent her invention, a method of weaving straw with silk?
Who was the first American female to patent her invention, a method of weaving straw with silk?
What drink was invented by Charles Leiper Grigg in 1929?
What drink was invented by Charles Leiper Grigg in 1929?
When was Milk Tray first introduced ?
When was Milk Tray first introduced ?
What furniture item was invented by California furniture designer Charles Prior Hall in 1968?
What furniture item was invented by California furniture designer Charles Prior Hall in 1968?
For what is Charles Babbage (1792-1871) remembered?
For what is Charles Babbage (1792-1871) remembered?